Who may perform a post-exposure medical evaluation?
A) A licensed physician
B) An LPN
C) A physician's assistant
D) Your employer
Answers
Answer:a licensed physician
Explanation: taking the osha test now.
A licensed physician is the one to carry out a post-exposure medical evaluation. (Option A)
Post-Exposure Medical EvaluationPost-exposure Medical Evaluation is any medical evaluation started after exposure to a pathogen in order to prevent the infection from occurring.
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Related Questions
A stone is thrown vertically upwards with an intinal velocity of 20 m/sec . find the maximum height it reaches and the time by it reachthe height (g=10 m/sec).
Answers
Answer:
Maximum height is20m and time taken will be 2second
Explanation:
vi=20m/s
vf=0m/s
g=10m/s^2
Using third equation for objects falling freely
2gh=(vf)^2-(vi)^2
Putting values
2(10m/s^2)h=(0m/s)^2-(20m/s)^2
20h=400m
h=20m
Now we have to find the time
Using first equation of motion for objects falling down freely
vf=vi+at
substituting the equation
(vf-vi)/g=t
(0-20)/10=t
t=2second
A very long, straight solenoid with a cross-sectional area of 2.34 cm is wound with 89.3 turns of wire per centimeter. Starting at t=0, the current in the solenoid is increasing according to i (t) = (0.174 A/s² )t. A secondary winding of 5.0 turns encircles the solenoid at its center, such that the secondary winding has the same cross-sectional area as the solenoid. What is the magnitude of the emf induced in the secondary winding at the instant that the current in the solenoid is 3.2 A? Express your answer with the appropriate units.
Answers
Induced emf at the instant when the current in the solenoid is 3.2 A is 1.46μV.
Faraday's law states that the emf induced in a closed loop is equal to the rate of change of magnetic flux through the loop. The magnitude of the induced emf (ε) :
ε = -dΦ/dt
The magnetic flux (Φ) through the secondary winding can be calculated as the product of the magnetic field (B) and the area (A) enclosed by the winding:
Φ = B × A
Given:
n = 89.3 turns/cm
n = 893 turns/m
I = 3.2 A
cross-sectional area: A = 2.34 cm²
A = 2.34 × 10⁻⁴ m²
Induced emf:
ε = -A× d/dt(μ₀ × n × I)
ε = -A ×μ₀ ×n × dI/dt
Induced emf at the instant when the current in the solenoid is 3.2 A,
ε = -2.34 × 10⁻⁴ × (4π ×10⁻⁷ ) × 893 × (0.174 ) × 3.2
ε = 1.46μV
Therefore, Induced emf at the instant when the current in the solenoid is 3.2 A is 1.46μV.
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This is a Physics practice question. How do i solve it?
Answers
Answer:
P = 140000 [Pa]
Explanation:
To solve this problem we must remember that pressure is defined as the relationship between Force on the area of a body.
In this particular problem, we are given the force acting on the upper surface of the block, including the force exerted by the atmospheric pressure.
P = F/A
where:
P = pressure [Pa] (units of Pascals)
F = force = 3.5*10⁴ [N]
A = area = 0.25 [m²]
P = 3.5*10⁴/0.25
P = 140000 [Pa]
Explain why the car in the photograph would get hot on a sunny day. How will the sunshield help to keep the car cool?
Answers
it will avoid the sun rays from penetrating into the glass to make it hot,and even fall on the seat and burn
Explanation:
Because of the type of metal it was made with
Answer:
The car gets hot in the photograph because of greenhouse effect. Most noticeably the fact that the sunlight enters the car through the windows to heat up the inside surfaces, which then gets trapped inside the car, causing a buildup of temperature.
Sunscreen can help keep the car cool by reflecting the sunlight, which in turn reduces the amount of heat that enters the car. This also decreases the inside surfaces to the exposure of UV lights.
Plzzzz help due in a few
Answers
Answer: 5 = straight, constant
Answer: 6 = unbalanced, velocity
The number after oxygen is called a what in this reaction 2AI2O3(s)+energy 4AI(s) +302(g) ??
Will give 15 pointssss need it ASAP.
Answers
Answer:
A subscript
Explanation:
it tells you how many oxygen molecules there are in the equation
6. A technlclan can be electrocuted when working on HEVs or EVs.
A) O True
B) O False
Answers
Answer:
True
Explanation:
It is true that. A technician can be electrocuted when working on HEVs or EVs, therefore the correct answer is option A
What is an electric vehicle (EV)?An EV stands for an electric vehicle. Electric vehicles (EVs) are autos that are powered totally or partially by electricity. Electric cars are extremely cost-effective to run because they have fewer moving parts to maintain and use little to no fossil fuels (petrol or diesel).
When evaluating its environmental impact, every factor must be taken into consideration. Considering that EVs have a minimal overall environmental impact, this suggests that the severity of these production emissions decreases.
Recycling is one strategy for lowering the lifespan emissions of electric vehicles. Again, incorrect assumptions can be refuted by facts.
Thus, That is accurate. The correct response is option A because a technician could electrocute themselves while working on HEVs or EVs.
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What is best for magnets? Aluminum Silver Plzzzzz help
Answers
Answer:
Aluminum
Explanation:
Silver is not good for magnets, it doesn't hold magnetic properties. Hope this helps.
Answer:
Aluminum
All the elements that are magnetic:
Iron
Cobalt
Nickel
Aluminum
Neodymium
Samarium
Boron
Dysprosium
Chromium
Zinc
Barium
Strontium
Bismuth
As you can see silver is not on the list of every elements that are magnetic and aluminum is.
Hope this helps!
A 20 kg bowling ball is hanging from a 5 meter long string, and it is pulled back at a 15 degree angle to make a pendulum. Find the following:
a) What will be the period of this pendulum?
b) What would be the frequency?
c) What force would it be swinging with?
d) What would be it's maximum acceleration?
HELP PLEASE
Answers
a) To find the period of the pendulum, we can use the formula:
Period (T) = \(2\pi * \sqrt(Length / g)\)
Given:
Length (L) = 5 meters
Acceleration due to gravity (g) ≈ 9.8 m/s²
Substituting the values into the formula, we have:
T = \(2\pi * \sqrt(5 / 9.8)\)
Simplifying the equation, we find:
T ≈ 6.29 seconds
Therefore, the period of the pendulum is approximately 6.29 seconds.
b) The frequency (f) can be calculated as the reciprocal of the period:
Frequency (f) = 1 / T
Substituting the value of the period, we have:
f ≈ 1 / 6.29 ≈ 0.159 Hz
The frequency of the pendulum is approximately 0.159 Hz.
c) The force that the pendulum will be swinging with is the tension force in the string. It can be calculated using the formula:
Tension force (F) = Mass (m) * Acceleration due to gravity (g) * cosine(angle)
Given:
Mass (m) = 20 kg
Angle (θ) = 15 degrees
Substituting the values into the formula, we have:
F = 20 kg * 9.8 m/s² * cos(15°)
Simplifying the equation, we find:
F ≈ 191.87 N
Therefore, the force that the pendulum will be swinging with is approximately 191.87 Newtons.
d) The maximum acceleration of the pendulum can be calculated using the formula:
Maximum acceleration (a) = (Tension force) / Mass
Given:
Tension force (F) ≈ 191.87 N
Mass (m) = 20 kg
Substituting the values into the formula, we have:
a = 191.87 N / 20 kg
Simplifying the equation, we find:
a ≈ 9.59 m/s²
Therefore, the maximum acceleration of the pendulum is approximately 9.59 m/s².
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A hollow metal sphere is charged to a potential of 40 V. The potential at its center is ________.Group of answer choices0 V80 VDepends on the radius of the sphere-49 V40 V-80 V
Answers
40 V
Explanation
Electric potential at any point inside a hollow metallic sphere is constant. Therefore, if potential at surface is 40 V, potential at centre will also be 40 V.
40V
also In a hollow sphere, with the charge on the surface of spheres, there is no charge enclosed within the sphere, since all the charges are in surface. Hence there is no electric field within the sphere.
I hope this helps you
As a transverse wave moves through a medium, the particles in the medium move
A.
exactly the same as the wave's motion.
B.
perpendicular to the wave's motion.
C.
parallel to the wave's motion.
D.
all of these
20pts
Answers
Answer:
they are move parallel to the wave motion
Two systems are formed from a converging lens and a diverging lens, as shown in parts a and b of the drawing. (The point labeled "Fconverging" is the focal point of the converging lens.) An object is placed inside the focal point of lens 1 at a distance of 8.59 cm to the left of lens 1. The focal lengths of the converging and diverging lenses are 15.00 and −20.0 cm respectively. The distance between the lenses is 50.0 cm. Determine the final image distance for each system, measured with respect to lens 2.
(a) di2 =
(b) di2 =
Answers
1/f = 1/do + 1/di1
where f is the focal length of the converging lens, do is the object distance (the distance from the object to the lens), and di1 is the image distance (the distance from the image to the lens).
Plugging in the given values, we get:
1/15 = 1/8.59 + 1/di1
Solving for di1, we find:
di1 = 22.37 cm
Now we can use the image from lens 1 as the object for lens 2. The distance from the image to lens 2 is:
do2 = 50.0 cm - di1
do2 = 27.63 cm
Using the thin lens equation again, we can find the final image distance:
1/f = 1/do2 + 1/di2
where f is the focal length of the diverging lens, do2 is the object distance (the distance from the object to the lens), and di2 is the image distance (the distance from the image to the lens).
Plugging in the given values, we get:
1/-20 = 1/27.63 + 1/di2
Solving for di2, we find:
di2 = -33.53 cm
(b) For the system in part (b), we can follow the same process as in part (a), but with different values.
Using the thin lens equation for lens 1, we find:
1/15 = 1/8.59 + 1/di1
Solving for di1, we get:
di1 = 22.37 cm
The distance from the image to lens 2 is:
do2 = 50.0 cm - di1
do2 = 27.63 cm
Using the thin lens equation for lens 2, we find:
1/-20 = 1/27.63 + 1/di2
Solving for di2, we get:
di2 = -13.82 cm
if all the ice now known on mars were to melt, it would represent enough water to fill ________.
Answers
The melting of all known ice on Mars would result in a significant amount of water, enough to cover the planet with a three-kilometer-deep layer. This discovery has potential implications for future Mars exploration and understanding the history of water on the planet.
If all the ice now known on Mars were to melt, it would represent enough water to fill three paragraphs. However, if you are looking for a more precise measurement, scientists estimate that the amount of water stored in the Martian ice caps is equivalent to about 1.6 million cubic kilometers or 385 million cubic miles. This is roughly 10 times the volume of Lake Superior, the largest freshwater lake in the world by surface area. If all the ice currently known on Mars were to melt, it would represent enough water to fill a global layer approximately three kilometers deep. This estimate is based on the observation of ice deposits found on the Martian poles and underground.
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An astronaut on Pluto attaches a small brass ball to a 1.00-m length of string and makes a simple pendulum. She times 10 complete swings in a time of 257 seconds. From this measurement she calculates the acceleration due to gravity on Pluto. What is her result
Answers
Answer:
The acceleration due to gravity at Pluto is 0.0597 m/s^2.
Explanation:
Length, L = 1 m
10 oscillations in 257 seconds
Time period, T = 257/10 = 25.7 s
Let the acceleration due to gravity is g.
Use the formula of time period of simple pendulum
\(T = 2\pi\sqrt{\frac{L}{g}}\\\\25.7 = 2 \times 31.4\sqrt{\frac{1}{g}}\\\\g = 0.0597 m/s^2\)
If u have a old dogs and it starts whining and it's legs lockup ,and wont let u pick it up. What do i do Im s scared?
Answers
The dog MUST be SEEN by a vet.
Not on the phone, not from your description. Not a web search, and not asking for advice online.
A qualified veterinarian has to have his hands on the animal, examine the dog, and make some suggestions. It might cost some money.
There's something missing here. A qualified real vet will never just say "I don't know, good bye!".
A force F acts in the forward direction on a cart of mass m. A friction force f opposes this motion. Use Newton's second law and express the acceleration of the cart.
If the cart's mass is 3.0 kg , the applied force is 12.6 N , and the friction force is 5.4 N , find the cart's acceleration.
Answers
The acceleration of the cart can be expressed using Newton's second law as a = (F - f) / m. Given the cart's mass is 3.0 kg, the applied force is 12.6 N, and the friction force is 5.4 N, the cart's acceleration is 2.4 m/s².
Newton's second law states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. Mathematically, it can be expressed as F = ma, where F is the net force acting on the object, m is its mass, and a is its acceleration.
In this problem, the net force acting on the cart is given by F - f, where F is the applied force and f is the friction force. Therefore, using Newton's second law, we can write: F - f = ma
Substituting the given values, we get:
12.6 N - 5.4 N = 3.0 kg x a
Simplifying, we get:
7.2 N = 3.0 kg x a
Dividing both sides by 3.0 kg, we get:
a = 7.2 N / 3.0 kg
a = 2.4 m/s²
Therefore, the cart's acceleration is 2.4 m/s².
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A 5,400 W motor is used to do work. If the motor is used for 640 s, about how much work could it do?
8.4 J
4,800 J
6,000 J
3,500,000 J
Answers
Answer:
3,500,000 J
Explanation:
WORK = POWER * TIME
WORK= 5400 * 640
=6456000 J = 3,500,000 J
Answer:
D
Explanation:
edge2021
If the density of freshwater is 1.000g/cm^3 and salt water is
1.025 g/cm^3, what is the ratio of z to h
Answers
The ratio of z to h can be determined by comparing the densities of freshwater and saltwater. The density of a substance is defined as its mass per unit volume.
In this case, the density of freshwater is given as\(1.000 g/cm^3\), while the density of salt water is given as \(1.025 g/cm^3\). To find the ratio of z to h, we need to consider the relationship between density and volume. The density of a substance can be expressed as the ratio of its mass to its volume.
Let's assume z and h represent the volumes of freshwater and saltwater, respectively. Since density is constant for each type of water, we can set up the following equation:
\(1.000 g/cm^3\) (density of freshwater) = \(1.025 g/cm^3\) (density of saltwater)
By canceling out the units, we get:
\(1.000 (g/cm^3) = 1.025 (g/cm^3)\)
Since the densities are equal, we can conclude that the ratio of z to h is 1:1.
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a. How much work is done by a man standing with a load of 100 kg?ANS=0
Answers
Explanation:
W = Fd
W for work
F for force
D for displacement
Since the man did not move nor did he move anything, the displacement is 0, thus work is 0 no matter what the force is
a simple harmonic oscillator has time period 4 s. if the mass of the system is 1 kg, what is the force constant of the spring used?
Answers
The force constant of the spring used will be 8100 having the mass 1 kg and time period 4 seconds.
What is simple harmonic oscillator and how the force constant comes out to be so ?Simple harmonic motion is a special kind of periodic motion in which restoring force on the moving body is directly proportional to magnitude of displacement.Here in this question is given the time period T = 4 seconds, and the mass = 1 kg , we need to find the force constant.To find the force constant k we will use the formula w = (k/m)^1/2 , putting the values in the equation.w = 2 pi/T = 2pi/4 = 90 , now equating it with (k/1)^1/2 we will get the force constant be (90)^2 = 8100.To know more about simple harmonic visit:
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Which of the fillowing scenarios describle a car that is accelerating?
A. a car that is gradually coming to a stop?
B. a cor going, constant 50 mph on a straight road
C. a car that is changing lanes?
D. a car that is entering a highway from on entrance ramp?
Answers
Answer:
DDDDDDDDDDDDDDDDDDDDDDDDDDD
In a good hit, a baseball and bat are in contact with each other for about 1 millisecond. In the first game of the 2012 World Series, Tigers pitcher Justin Verlander threw a 100-mph pitch to the Giants' Pablo Sandoval. Sandoval's hit returned the ball directly back at Verlander at 70 mph. Calculate the average force of the bat on the ball, during the contact. Round the final answer to the nearest whole number.
Answers
Answer:
Explanation:
100 mph = 100 x 1760 x 3 / ( 60 x 60 )
= 146.67 ft / s
70 mph = 70 x 1760 x 3 / ( 60 x 60 )
= 102.67 ft/s
Let mass of the ball = m .
The ball which was moving with a velocity of 146.67 ft/s is turned back by the action of force of bat on the ball and it moved in opposite direction with velocity of - 102.67 ft/s ( - ve sign due to reversed direction )
If m be the mass of ball
change in momentum = m x 146.67 - ( - m x 102.67 )
= m x 146.67 + m x 102.67
= 249.34 m
Change in momentum = impulse = force x time
Putting the given values
249.34 m = force x 1 x 10⁻³ ( time = 10⁻³ s )
force = 249.34 m x 10³ poundal .
Here m is mass of the ball in lb .
A 75 kg diver has 5,150.25 J of gravitational potential energy. Determine the diver’s height
Answers
Answer:3.4m
Explanation:
Which of the following statements about developing a personal fitness program is NOT true?
A When developing a personal fitness program, it is important to implement strategies that will help
maintain the program as well as give it a successful start
B. Personal factors such as age, health concerns, and likes are important to consider when developing
a personal fitness program
C. The starting skill level of the physical activities included in a personal fitness program should be
determined from other individuals' fitness programs
D. The FITT principle should be used when developing a personal fitness program,
Please select the best answer from the choices provided
A
B
Save and Exit
Next
Answers
Answer:
C
Explanation:
The starting skill level of the physical activities included in a personal fitness program should be determined from other individuals' fitness programs is a statement which is not true. Everyone starts their personal fitness journey at a different level which should be regarded . A fitness test should be taken to determine where an individual should start their new lifestyle.
Answer:
C. I got it right :)
Explanation:
How will the boat be affected if it enters a part of the river where the current is moving south at 2 m/s?
Answers
Answer:
The boat is most likely to crash or sink since the water will be very rapid and pacing.
express the current i1 going through resistor r1 in terms of the currents i2 and i3 going through resistors r2 and r3. use the direction of the currents as specified in the figure.
Answers
To express the current i1 in terms of the currents i2 and i3, we can use Kirchhoff's current law (KCL), which states that the sum of currents entering a node is equal to the sum of currents leaving the node. In this case, the node where i1, i2, and i3 meet is the point of interest.
Based on the direction of the currents specified in the figure, we can write the equation:
i2 + i3 = i1
This equation represents the application of KCL at the node where i1, i2, and i3 are connected. According to KCL, the sum of currents entering the node (i2 and i3) is equal to the sum of currents leaving the node (i1).
Therefore, the expression for the current i1 in terms of i2 and i3 is:
i1 = i2 + i3
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22. In an experiment to determine the density of a soil using a density bottle, the following measuren were recorded. Mass of empty density bottle = 42.9g Mass of density bottle full of water = 66.1g Mass of density bottle with some soil = 67.2g Mass of density bottle with soil filled up with water = 82.0g Use the above data to determine the a) Mass of water that completely filled the bottle (2 b) Volume of water that completely filled the bottle
Answers
Answer:1
Explanation:1
Lee pushes horizontally with a force of 78N on a 29kg mass for 16m across a floor.
Calculate the amount of work Lee did. Answer in units of J.
Answers
If Lee pushes horizontally with a force of 78N on a 29kg mass for 16m across a floor. The amount of work Lee did is: 1,248J.
How to find the work done?Given data:
Mass of the object , m = 29kg
Force, F = 78N
Displacement, d = 16m
Now let find the amount of work using this formula
Work = F × dcosθ
Let plug in the formula
Work = 78 × 16cosθ
Work = 1,248J
Therefore we can conclude that the work done is 1,248J.
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What is the frequency of a wave that passes a given point 412 times in 4.0
seconds?
O A. 0.0097 s
OB. 103 Hz
O C. 408 S
O D. 1650 Hz
SUBMIT
Answers
Answer: A.0,0097s
Mas a unidade aí deveria ser Hertz (Hz)
Explanation:
Answer:
103 hz
Explanation:
I need help with this question and please show the whole work
and do it asap
If a star displays \( 0.0190 \) arcseconds of parallax, then long would it take to travel to that star if traveling at half the speed of light?
Answers
The first step is to convert the parallax angle of the star to distance. We can use the formula: parallax angle in arc seconds = (distance to star in parsecs)^-1 We can rearrange this equation to isolate distance: d = (parallax angle)^-1 Therefore, the distance to the star in parsecs is:
d = (0.0190 arcseconds)^-1 = 52.6 parsecs Next, we need to find the actual distance in meters. One parsec is equivalent to 3.09 × 10^16 meters. Therefore, the distance to the star in meters is: distance = (52.6 parsecs)(3.09 × 10^16 meters/parsec) = 1.63 × 10^18 meters Now, we can use the formula for time: d = vt Solving for time: t = d/v We are told to travel at half the speed of light, which is v = 0.5c, where c is the speed of light.
Therefore, the time to travel to the star is: t = (1.63 × 10^18 meters)/(0.5c) Using the speed of light, c = 3.00 × 10^8 m/s, we get: t = (1.63 × 10^18 meters)/(0.5 × 3.00 × 10^8 m/s)t ≈ 10.9 years Therefore, it would take about 10.9 years to travel to the star if traveling at half the speed of light.
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