The bowling ball has starts out at rest (0= speed m/s) at the top of the building (height 40 m). How much potential energy does the ball have?

How much Kinetic energy does the bowling ball have?

How much total energy (Potential energy & Kinetic) does the bowling ball have?

Of the bowling ball's total energy, is more in the form of potential or kinetic energy?

The frequency of the sixth overtone would be 576 Hz.

To determine the length of a tube closed at one end, we can use the formula:

L = (v/4f) * (2n - 1)

where L is the length of the tube, v is the speed of sound in air, f is the fundamental frequency, and n is the harmonic number.

Given that the fundamental frequency is 96 Hz, we can substitute the values into the formula:

L = (v/4f) * (2n - 1)

L = (v/4*96) * (2*1 - 1)

L = v/384

To find the length at 0ºC, we need to know the speed of sound at that temperature. The speed of sound in air depends on temperature and other factors. At 0ºC, the speed of sound in dry air is approximately 331.4 m/s.

L = 331.4/384

L ≈ 0.862 m

Therefore, the tube closed at one end should have a length of approximately 0.862 meters when the air temperature is 0ºC.

To find the frequency of the sixth overtone, we multiply the fundamental frequency by six: Frequency of sixth overtone = 96 Hz * 6 = 576 Hz.

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The de Broglie wavelength of a 0.56 kg ball moving with a constant velocity of 26 m/s is 4.55×10⁻³⁵ m.

The wavelength that is incorporated with the moving object and it has the relation with the momentum of that object and mass of that object. It is inversely proportional to the momentum of that moving object.

λ=h/p

Where, λ is the de Broglie wavelength, h is the Plank constant, p is the momentum of the moving object.

Whereas, p=mv, m is the mass of the object and v is the velocity of the moving object.

Therefore, λ=h/(mv)

λ=(6.63×10⁻³⁴)/(0.56×26)

λ=4.55×10⁻³⁵ m.

The de Broglie wavelength associated with the object weight 0.56 kg moving with the velocity of 26 m/s is λ=4.55×10⁻³⁵ m.

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Displacement of the airplane (s) = 2000 m

Initial velocity of the airplane (u) = 0 m/s (Starts from rest)

Final velocity of the airplane = 56.4 m/s

Equation used to solve the problem:

\( \boxed{ \bf{ {v}^{2} = {u}^{2} + 2as}}\)

By substituting values in the equation, we get:

\( \rm \longrightarrow {56.4}^{2} = {0}^{2} + 2 \times a \times 2000 \\ \\ \rm \longrightarrow 3180.96 = 0 + 4000a \\ \\ \rm \longrightarrow 4000a = 3180.96 \\ \\ \rm \longrightarrow \dfrac{4000a}{4000} = \dfrac{3180.96}{4000} \\ \\ \rm \longrightarrow a = 0.80 \: m {s}^{ - 2} \)

\( \therefore \) Minimum uniform acceleration necessary for the plane to take flight (a) = 0.80 m/s²

Answer:

An experiment usually tests a hypothesis, which is an expectation about how a particular process or phenomenon works. However, an experiment may also aim to answer a "what-if" question, without a specific expectation about what the experiment reveals, or to confirm prior results.

Explanation:

Answer:

As a body moving upward

T=real weight + apparent weight

T=550+490

T=1040

hope u will get the answer:)

Explanation:

Answer:

If I say the correct answer is B.280

The statement that is false is:

"if a positively charged particle is placed at a location where the electric field is directed due north, it will be accelerated due north."

A charged particle will experience a force in the direction of the electric field, but it may not necessarily be accelerated in the same direction. The acceleration of a charged particle depends on other factors such as the mass of the particle, the strength of the electric field, and any other forces acting on the particle. So, a positively charged particle may not be accelerated due north, even if the electric field is directed due north. The electric field is a fundamental concept in physics and is used to describe the force that a charged particle experiences in a given electric field. It is a vector quantity that represents the force per unit charge and is defined as the force that a charged particle would experience if placed at a given point in space.

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The voltage drop across R3 is 34.5 volts.

Voltage, also known as electric potential difference, is a measure of the difference in electric potential energy between two points in an electrical circuit, and it is measured in volts. It is the driving force that moves electric charges through a circuit, from a higher potential to a lower potential.

To determine the voltage drop across R3 in this circuit, we need to first find the equivalent resistance of R2, R3, and R4, since they are connected in parallel. We can then find the total resistance of the circuit by adding the equivalent resistance in series with R1, and finally use Ohm's Law to calculate the voltage drop across R3.

The equivalent resistance of R2, R3, and R4 in parallel can be calculated as:

1/R_parallel = 1/R2 + 1/R3 + 1/R4

1/R_parallel = 1/20 + 1/25 + 1/10

1/R_parallel = 0.15

R_parallel = 1/0.15

R_parallel = 6.67 ohm

The total resistance of the circuit can be found by adding R1 and the equivalent resistance in series:

R_total = R1 + R_parallel

R_total = 15 + 6.67

R_total = 21.67 ohm

Now we can use Ohm's Law to calculate the current flowing through the circuit:

I = ET / R_total

I = 30 / 21.67

I = 1.38 A

Finally, we can use Ohm's Law again to calculate the voltage drop across R3:

V_R3 = I * R3

V_R3 = 1.38 * 25

V_R3 = 34.5 V

Therefore, the voltage drop across R3 is 34.5 volts.

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Answer:

Inner Transition Metals

Explanation:

The lanthanides and actinides belong to the inner transition metals.

​

Answer:

inner transition elements

Explanation:

In the periodic table to which the lanthanides and actinides metals belong to is inner transition elements because these elements are present in between transition elements.

The volume of the Erlenmeyer flask when filled with water is 249 cm^3.

Volume is a measure of the amount of three-dimensional space an object occupies. It is measured in cubic units, such as cubic centimeters (cm3) or cubic meters (m3). Volume is an important concept in many areas of science, including physics, chemistry and geology. It can also be used to describe the capacity of a container, such as a bottle, or the amount of liquid it can hold. Knowing the volume of a substance or object is important in many everyday situations, from measuring food portions to calculating the amount of paint needed to cover a wall.

This is calculated by subtracting the weight of the empty flask (246.3 g) from the weight of the flask filled with water (495.0 g) and then dividing by the density of water (1.00 g/cm^3).

When filled with chloroform, the flask and its contents weigh 581.1 g. To calculate this, we multiply the density of chloroform (1.48 g/cm^3) by the volume of the flask (249 cm^3), which gives us 371.52 g. We then add the weight of the flask (246.3 g) to the weight of the chloroform (371.52 g), which gives us a total of 617.82 g. The weight of the flask when filled with chloroform is 581.1 g.

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The uniform acceleration of the car is 4.485 m/s².

The uniform acceleration of the car is calculated as follows;

v² = u² + 2as

a = (v² - u²)/2s

where;

a = (41² - 28²)/(2 x 100)

a = 4.485 m/s²

Thus, the uniform acceleration of the car is 4.485 m/s².

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Answer:

2 kilograms

Explanation:

F = ma

2 = 1m = 2

Explanation:

You want  N/m

 N = 66 * 9.81

 m = 2.3 x 10^-2 m

66* 9.81 / 2.3 x 10^-2  = 28150 =  28 000 N/m    to two S D

ANSWER:

1 N*m

STEP-BY-STEP EXPLANATION:

Given:

Force of edge (F) = 2 N

Radius (distance, d) = 0.5 m

The torque can be calculated using the following formula:

The final torque is equal to 1 N*m

The diameter of the smaller end of the pipe is approximately 0.78 meters.

To determine the diameter of the smaller end of the pipe, we can use the principle of conservation of mass. According to this principle, the mass flow rate of water should remain constant throughout the pipe.

The mass flow rate is given by the equation:
Mass flow rate = density of water * cross-sectional area * velocity

Since the density of the water remains constant, we can write:
Cross-sectional area1 * velocity1 = Cross-sectional area2 * velocity2

Given that the velocity1 is 13 m/s, the diameter1 is 1.2 m, and the velocity2 is 30 m/s, we can solve for the diameter2 using the equation:
(pi * (diameter1/2)^2) * velocity1 = (pi * (diameter2/2)^2) * velocity2

Simplifying the equation:
(1.2/2)^2 * 13 = (diameter2/2)^2 * 30

Calculating the equation:
(0.6)^2 * 13 = (diameter2/2)^2 * 30

0.36 * 13 = (diameter2/2)^2 * 30

4.68 = (diameter2/2)^2 * 30

Dividing both sides by 30:
0.156 = (diameter2/2)^2

Taking the square root of both sides:
0.39 = diameter2/2

Multiplying both sides by 2:
0.78 = diameter2

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Answer:

The mass will have the most KE at the midpoint of motion (velocity is a maximum)

Total Energy = KE + PE = constant

At zero displacement the potential energy equals zero and the kinetic energy is a maximum.

Answer:

I think it's point C but I'm not sure

Answer:

1.20m/s

Explanation:

We can use the formula [ m = w/g ] and [ t - w = mv^2/r ] to solve.

Use the first formula.

m = 10/9.8

m = 1.02

Use the second formula.

12 - 10 = 1.02-v^2/0.72

2 = 1.02-v^2/0.72

1.04v^2 = 1.47

v^2 = 1.41

v = √1.41

v ≈ 1.20

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The depth of the Pacific Ocean with a pressure three times the atmospheric pressure is 30.98 meters.

The pressure is defined as the normal force applied on the surface. The pressure is the ratio of the normal force to the area of the applied surface.

Given that for the depth of the Pacific Ocean with pressure 3X atmospheric pressure.

The depth of water will be calculated by the formula from the concept of Hydrostatic pressure is,

P = ρ x g x h

The pressure is three times the atmospheric pressure,

P = 3 Patm

The depth will be calculated as:-

3Patm = 1000 x 9.81 x h

h = ( 3 x 101325 ) / ( 9810 )

h = 30.98 meters

The depth of the Pacific Ocean with pressure three times atmospheric pressure will be 30.98 meters.

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Answer:

VA = 3.62 m/s  

VB = 4.42 m /s

Change of momentum of A = -396 kgm/s

Change of momentum of B = 396 kgm/s

Explanation:

Asuming A and B move to the right after the collision

pbefore =  pafter

4.5*450 + 3.7*550 = 450VA + 550VB

In a elastis collition, the coefficient of restitution is 1

1 = (VB - VA)/(4.5 - 3.7)

VB - VA = 0.8

VB = 4.42 m/s

VA = 3.62

Change of momentum of A = 450*(3.62-4.5) = -396 kgm/s

Change of momentum of B = 550*(4.42-3.7) = 396 kgm/s

Using the formula F = G * (m1 * m2) / r^2, where G is the gravitational constant, m1 and m2 are the masses of the two objects, and r is the distance between them, we can calculate the gravitational force between Jupiter and the sun.

Plugging in the values, we get:

F = (6.674 x 10^-11 N * (m^2 / kg^2)) * ((1.9 x 10^27 kg) * (2 x 10^30 kg)) / (78 x 10^6 m)^2

Simplifying this, we get:

F = 1.98 x 10^27 N

Therefore, the gravitational force between Jupiter and the sun is approximately 1.98 x 10^27 Newtons.

The gravitational force between Jupiter and the sun, calculated using Newton's law of gravitation with their masses and distance, is \(1.95 * 10^{22} N.\)

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Answer:

true

Explanation:

Electromagnetic waves differ from mechanical waves in that they do not require a medium to propagate. This means that electromagnetic waves can travel not only through air and solid materials, but also through the vacuum of space.

Answer: A. Nuclear power produces radioactive waste.

Explanation:

Given:

Diameter = 200 m

Radius, r = 200/2 = 100 m

Time taken, t = 30 seconds

Formula to be used:

Distance traveled, = circumference of circle = 2πr

Answer:

Putting all the values, we get

Distance traveled = 2πr

So, the distance traveled by Raju is 628.57 m.

Now, magnitude of the displacement,

At the end of 30 seconds, Raju will come to starting position or initial position, so displacement is zero.

Heat transfer by radiation and convection causes the surface water of the pool to be warm which decreases with depth.

There are two heat transfer process responsible for variation in temperature of water at different depth of a pool, they include;

The surface of the water absorbs heat from the air and the sun. The heat from the sun is transferred to the pool through radiation.

The heat from the air is transferred to the pool through convection.

Thus, these two heat transfer processes  causes the surface water of the pool to be warm which decreases with depth.

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The approximate number of taste buds that humans have is 10,000 (option C).

Tastebuds are any of the small organs on the tongue used for tasting.

Taste buds are cells on the tongue that allow one to perceive tastes, including sweet, salty, sour, bitter and umami.

Taste buds regenerate approximately every 10 days, which means injured taste buds usually repair on their own. The average adult human has between 2000 and 8000 tastebuds.

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Answer:hinwjdheiohuddwrr

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