Please help me with this question ​

Answer:

Explanation:

Assuming the x axis lies along the slope.

Fy = mgcosθ = 1150(9.81)cos8.70 = 11,151.6937... = 11.2 kN

Answer:

what question is that?

Explanation:

make it english

The East/West component of SuperPointParticleDog's force on the ball is -115.7 N. (Westward).

Isaac's force:

Magnitude: 255 N

Angle: 13 degrees North of East

x-component: 255*cos(13) = 245.1 N (Eastward)

y-component: 255*sin(13) = 58.1 N (Northward)

Newton's force:

Magnitude: 156 N

Angle: 34 degrees South of East

x-component: 156*cos(34) = 129.4 N (Westward)

y-component: 156*sin(34) = 86.5 N (Southward)

Now we can add the x- and y-components of the forces to find the net force:

Net force:

x-component: 245.1 N - 129.4 N = 115.7 N (Eastward)

y-component: 58.1 N - 86.5 N = -28.4 N (Southward)

The net force has an Eastward component of 115.7 N. Therefore, the East/West component of SuperPointParticleDog's force on the ball is -115.7 N. (Westward).

Learn more about force on

https://brainly.com/question/12970081

#SPJ1

Answer:

The amount of charge that will pass through the cross-sectional area of the conductor in 1 min is 192 C.

We can use the formula Q = I * t,

where;

Given that a charge of 6.4 C passes through a cross-sectional area of the conductor in 2 s, we can find the current using the formula:

I = Q / t = 6.4 C / 2 s = 3.2 A

So, the current through the conductor is 3.2 A.

To find the amount of charge that will pass through the cross-sectional area of the conductor in 1 min (60 s), we can use the same formula:

Q = I * t = 3.2 A * 60 s = 192 C

Learn more about charges here: https://brainly.com/question/18102056

#SPJ1

Answer:

Refraction is another way that waves interact with matter. ... Waves bend as they enter a new medium because they start traveling at a different speed in the new medium. For example, light travels more slowly in water than in air. This causes it to refract when it passes from air to water or from water to air.

Explanation:

i hope this helps but if it doesnt im rlly srry :p

Answer:

bouncing  a baskletball

Explanation:

Answer:someone kicking a soccer ball.

Explanation:

Because the ball isn’t in motion until acted on by another object (the foot)

The speed of the microwaves is 3 × 10^10 meters per second. This result indicates that microwaves, like all electromagnetic waves, travel at the speed of light in a vacuum.

The speed of a wave can be calculated using the formula: speed = frequency × wavelength. In this case, the frequency of the microwaves is given as 10,000 million Hz, which is equivalent to 10,000 × 10^6 Hz or 10^10 Hz. The wavelength is given as 0.03 m.

Plugging these values into the formula, we have:

Speed = (10^10 Hz) × (0.03 m)

Simplifying the calculation, we find:

Speed = 3 × 10^10 m/s

Therefore, the speed of the microwaves is 3 × 10^10 meters per second. This result indicates that microwaves, like all electromagnetic waves, travel at the speed of light in a vacuum. The speed of light is approximately 3 × 10^8 meters per second, so microwaves have a slightly higher speed due to their longer wavelength. It's important to note that the speed of light is a fundamental constant of nature and does not depend on the properties of the specific electromagnetic wave being considered.

For more questions on microwaves, click on:

https://brainly.com/question/1304742

#SPJ8

Answer:

Explanation:

Series resistances, so both resistors carry the same current.

I = E/R = 12 / (12 + 18) = 0.4 A

P = I²R

P₁₂ = 0.4²(12) = 1.92 W

P₁₈ = 0.4²(18) = 2.88 W

The object is on 81 cm high.

The energy that an item has or acquires when its location changes as a result of being in a gravitational field is known as gravitational potential energy. Gravitational potential energy can be defined as an energy that has a connection to gravitational force or gravity.

Given that: an 80kg object has 632 J of Potential energy.

Let the height is h: then,

mgh = PE

80 kg × 9.8× m/s^2 × h = 632 Joule

h = 0.81 m = 81 cm.

The object is on 81 cm high.

Learn more about potential energy here:

https://brainly.com/question/24284560

#SPJ1

The amount indicated by is not fixed and changes over time. In situations where the linear acceleration is not zero, the velocity is always changing.

The first case is true

Since it depends on time, is not constant?

The amount indicated by is not fixed and changes over time. In situations where the linear acceleration is not zero, the velocity is always changing.

The dimension of the quantity albo will be ufa au av u t when calculating a particle's velocity as a function of time t using the formula v = a(1 - eb), where a and b are constants. (1 - e-b) Greutate, urb'a 221 Aich, a zat a2b3c faut Eleft.

The amount indicated by is not fixed and changes over time. When linear acceleration is absent  .

To learn more about time refer to:

brainly.com/question/17146782

#SPJ1

The quantity represented by v is a function of time (i.e., is not constant).

True or false

A  particle moves with constant acceleration a. The expression VI +80 represents the particles velocity at what instant in time.

A. At a time T=zero

B. At the initial time

A particle starts from the origin at time t = 0 and moves along the positive x - axis. The graph of velocity with respect to time is shown in figure. What is the position of the particle at time t = 5s?

Answer:

Both cyclists have a displacement (vector) of 546.41 m

V(velocity) = 546.61 / 30 = 18.2 m/sec

Cyclist x travels 600 m / 30 = 20 m/sec   average speed assuming 20 sec over each 200 m interval (total displacement of X = 600 m)

Cyclist Y travels 546.61 m / 30 = 18.2 m/s    average speed

Answer:

For cyclist X, the displacement is 546.41 meters.

The velocity is the displacement ÷ time = 546.41 ÷ 30 = 18.21 meters/second.

For cyclist Y, the displacement is also 546.1 meters.

The velocity is displacement ÷ time = 546.1 ÷ 30 = 18.21 meters/second.

Although cyclist X and cyclist Y have traveled different distances in same time interval, their velocities and displacements are same.

Explanation: edmentum sample answer

Answer:

Hello i hope this helps you! Potential and Kinetic EnergyHold the car at the top of the ramp, and release to demonstrate the two main kinds of energy. Potential energy is placed into the car when it's lifted from the floor, and that energy is released as the car rolls down the ramp.

Explanation:

hope this helps

The two phrases that describe the critical thinking skills used in the pursuit of science are options B and E. Analyzing  observations of a comet's velocity to estimate when it will pass by the sun again and writing detailed description of comet.

Critical thinking skills are very important in scientific investigations and data interpretations. Thinking on an observation or scientific backgrounds of a phenomenon and solving complex problems and sorting it eventually leads to the accurate conclusions for the problem.

Here, the estimation of velocity of a comet for its passage around sun will involve critical thinking and use of some theoretical knowledge as well. Gathering of people's opinion or searching history or for fund does nor need any critical thinking.

Making a description of comet through he observation by telescope also need some critical thinking. Therefore, options B and E are correct.

Find more on critical thinking skills:

https://brainly.com/question/17012082

#SPJ1

Answer:

110.25 watt/s

Explanation:

The rate of heat transfer is given by the formula

R = k*A(T1 - T2) / d, where

k = thermal conductivity, 0.105 (W/(m*K)

d = thickness, 4 mm = 0.004 m

T1 = inside temperature, 25° C

T2 = outside temperatures, -10° C

A = area 0.3 * 0.4 = 0.12 m²

Now, applying the given data to the formula, we have

Rate = 0.105 * 0.12 (25 - -10) / 0.004

Rate = 0.105 * 0.12(35) / 0.004

Rate = 0.105 * 4.2 / 0.004

Rate = 0.441 / 0.004

Rate = 110.25 Watt/s

Therefore, the steady state rate of heat flow is 110.25 watt/s

Answer:

Force

Explanation:

Answer:

\(a) Average\ Speed=28\ km/h\\b) Average\ Velocity= 20\ km/h\)

Explanation:

\(We\ are\ given\ that,\\Velocity\ of\ the\ car\ Eastwards=60\ km/h\\Time\ taken\ by\ the\ car\ Eastwards=2\ h\\Velocity\ of\ the\ car\ Northwards=20\ km/h\\Time\ taken\ by\ the\ car\ Northwards=8\ h\\Hence,\\As\ we\ know\ that,\\Speed=\frac{Distance}{Time}\\Distance= Speed* Time\\Now,\ lets\ find\ the\ distance\ covered\ by\ the\ car\ in\ both\ the\ cases.\)

\(Hence,\\Distance\ Covered\ During\ its\ Eastward\ Journey=60*2=120\ km\\Distance\ Covered\ During\ its\ Northward\ Journey=20*8=160\ km\\Now,\\As\ we\ know\ that\ Average\ Speed=\frac{Total\ Distance}{Total\ Time} \\Here,\\Total\ distance\ of\ the\ car=Distance\ Covered\ During\ its\ Northward\ Journey+Distance\ Covered\ During\ its\ Eastward\ Journey\\Hence,\\Total\ distance\ of\ the\ car=120+160=280\ km\\Total\ time\ taken\ by\ the\ car=8+2=10\ hours\\Hence,\\\)\(Average\ Speed\ Of\ the\ Car\ throughout\ its\ journey=\frac{280}{10}=28\ km/h\)

\(Now,\\For\ Average\ Velocity\ we\ need\ to\ consider\ displacement\ as:\\Average\ Velocity\ =\frac{Total\ Displacement}{Total\ Time} \\Now,\\As\ we\ already\ know\ that\ displacement\ is\ the\ shortest\ distance\\ from\ the\ initial\ to\ the\ final\ point.\\We\ observe\ that, \\The\ car\ forms\ a\ right\ triangle\ during\ its\ complete\ journey.\\Hence,\\As\ we\ already\ know\ that,\\Distance\ travelled\ Eastwards= 120\ km\\Distance\ travelled\ Northwards= 160\ km\\Hence,\\\)\(We\ may\ apply\ Pythagoras\ Property\ to\ find\ the\ net\ displacement.\\Hence,\\a^2+b^2=c^2\\120^2+160^2=c^2\\14400+25600=c^2\\40000=c^2\\c=\sqrt{40000}\\c=200\\Hence,\\Total\ displacement=200\ km\\Total\ Time\ taken=2+8=10\ hours\\Hence,\\Average\ Velocity\ Of\ the\ Car=\frac{200}{10}=20\ km/h\)

Answer: 4500 m

Explanation:

\(15 min. * \frac{240 m}{min.} = 3600 m\)

\(10 min. * \frac{90m }{min.} = 900 m\)

\(3600m +900m = 4500m\)

Answer:

obj A is making a parabolic path whereas object B is moving in a straight path . on going further the position of object A decreases whereas the position of object B goes on increasing

Answer:

B. O.4692 mm

Explanation:

I hope its help keep safe

Answer:

Its  D trust me it is

Explanation:

36.7 feet per second

Answer:

b

Explanation:

The answer is B. Why is the ocean floor not flat and smooth like the bottom of a bathtub?

Scientists were surprised to find that the ocean floor was not a flat and featureless plain, but rather had mountains, valleys, and other geological features. This discovery raised questions about how these features formed and what processes were involved. Scientists began to investigate the causes of these features, such as plate tectonics and volcanic activity, and how they might have shaped the ocean floor over millions of years. Understanding the complex and dynamic nature of the ocean floor has since become an important area of study in earth science and oceanography.

Answer:

4

Explanation:

As you can see in the free body diagram there are 4 forces acting on the body.

The height of the cliff on the given planet is 16.39 m.

The given parameters:

The height of the cliff is determined by applying the principle of conservation of mechanical energy as follows;

P.E = K.E

mgh = ¹/₂mv²

gh = ¹/₂v²

\(h = \frac{v^2}{2g} \\\\h = \frac{(2.34)^2}{2\times 0.167} \\\\h = 16.39 \ m\)

Thus, the height of the cliff on the given planet is 16.39 m.

Learn more about conservation of mechanical energy here: https://brainly.com/question/6852965

Organelles are specialized structures within cells that perform specific functions, such as energy production, protein synthesis, and waste removal.

Some examples of organelles include mitochondria, which produce energy for the cell, and ribosomes, which are involved in protein synthesis.

The size of cells can vary widely depending on the organism and the type of cell. For example, human cells can range from 10 to 30 micrometers in diameter, while bacterial cells are typically much smaller, ranging from 1 to 5 micrometers in diameter.

In summary, organelles are specialized structures within cells that perform specific functions, and the size of cells can vary widely depending on the organism and the type of cell.

To know more about organelles, visit:

https://brainly.com/question/2135497

#SPJ1

Answer:

i think its D

Explanation:

Answer:

The highness or lowness of a sound is perceived as pitch. Pitch is a perceptual property of sound that allows us to distinguish between sounds that have the same loudness and duration, but differ in their frequency content. The pitch of a sound is determined by the frequency of the sound wave, with higher frequencies producing higher pitches and lower frequencies producing lower pitches. The pitch is what makes a sound distinguishable and is important in music, language, and communication.

An Particle a has Weston practical.

The resistance to motion of one object moving in relation to another is known as friction. It is not regarded as a fundamental force like gravity or electromagnetic, according to the International Journal of Parallel, Emergent and Distributed Systems(opens in new tab).

According to the book Soil Mechanics(opens in new tab), scientists started putting together the laws governing friction in the 1400s.

However, because the interactions are so complex, characterizing the force of friction in various circumstances typically requires experiments and can't be derived from equations or laws alone. There are numerous exceptions to every frictional general rule.

Therefore, An Particle a has Weston practical.

To learn more about friction, refer to the link:

https://brainly.com/question/13000653

#SPJ5

The ions are;

S^2- Gained 2 electrons

Li^+ - Lost one electron

Al^3+ - Lost 3 electrons

Cl^- gained one electron

Sr^2+ Lost two electrons

P^3- gained 3 electrons

As an atom or molecule acquires or loses one or more electrons, ions are created. Protons and neutrons make up the positively charged nucleus of an atom, which is encircled by negatively charged electrons. An atom typically has a neutral charge because the amount of electrons and protons in it equals one.

The balance between the negatively charged electrons and positively charged protons is upset when an atom receives or loses an electron, creating an ion with a positive or negative charge.

Learn more about ions:https://brainly.com/question/14608022

#SPJ1

The rate at which points C and D are spreading apart from each other is 10 cm / year

The magnetic stripes on the ocean floor are created by reversals of the Earth's magnetic field during the continuous formation of ocean crust at the ridge.

Mathematically, the formula for the speed of two points on the magnetic stripe is given as;

V = L / T

where;

The rate at which points C and D are spreading apart from each other is calculated as follows;

V = ( 30,000,000 cm ) / ( 3,000, 000 years )

V = 10 cm/y

Thus, the rate at which points C and D are spreading apart from each other is a function of the distance between points C and D, and the total time between the two points.

Learn more about magnetic stripe here: https://brainly.com/question/29791221

#SPJ1