Recent questions in Physics

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Voltage at region is V= 20,000 V. What is the voltage expressed in J/C? The kinetic energy that each electron acquires is U=QV which is also 1 V/m = 1 J/C. What is the electric field of this configuration

Phil Miller asked Jun 12, 2023

by Phil Miller

4.1k points

1 answer

2 votes

100k views

What does density show? Explain.

LukeLR asked Jun 12, 2023

by LukeLR

5.0k points

2 answers

5 votes

10.5k views

The best leaper in the animal kingdom is the puma, which can jump to a height of 3.7 m when leaving the ground at an angle of 45°. With what speed must the animal leave the ground to reach that height?

Erik Smistad asked Jun 12, 2023

by Erik Smistad

4.0k points

1 answer

0 votes

227k views

For the following calculation, give the answer to the correct number of significant figures.

Yalkris asked Jun 12, 2023

by Yalkris

4.1k points

1 answer

1 vote

183k views

Please look at attachment please

Emil Lerch asked Jun 12, 2023

by Emil Lerch

3.7k points

1 answer

2 votes

217k views

Green light has a wavelength of 500 nm calculate the frequency.

MikeMurko asked Jun 12, 2023

by MikeMurko

4.4k points

1 answer

5 votes

11.1k views

An atom of iron has an atomic number of 26 and a mass number of 56. How many protons, neutrons, and electrons are contained in this atom?

Apgsov asked Jun 12, 2023

by Apgsov

4.2k points

1 answer

4 votes

169k views

4.3 Calculate magnitude of force F. I have already made Freebody diagram

Wenger asked Jun 11, 2023

by Wenger

4.2k points

1 answer

5 votes

81.3k views

Pendulum clocks are typically made so the period of the pendulum is exactly 1 second or 2 seconds, but they don't have to be. Suppose a grandfather clock uses a pendulum that is 115.00 centimeters long.

Yvens asked Jun 11, 2023

by Yvens

4.4k points

1 answer

5 votes

69.9k views

A person travels by car from one dty to another with different constant speeds between pairs of cities. She drives for 55.0 min at 65.0 km/h, 16.0 min at 70.0 km/h, and 60.0 min at45.0 km/h and spends

Riku asked Jun 11, 2023

by Riku

3.8k points

1 answer

4 votes

7.9k views

You catch a 219 g ball moving at 6.1 m/s. If you catch the ball in a time period of 0.138 s what is the magnitude of the average force you must supply to the ball to stop the ball? Answer in units of Newtons

Badzil asked Jun 11, 2023

by Badzil

4.7k points

1 answer

4 votes

26.9k views

4. What determines which goods a country should produce and export?

Shep asked Jun 11, 2023

by Shep

4.1k points

2 answers

8 votes

154k views

Newton's first law is also called the law of Interior. Which of the objects below has the most interior, the white truck or the yellow truck? Circle your answer or type it below! Explain the reason for

Kapobajza asked Jun 11, 2023

by Kapobajza

3.2k points

1 answer

5 votes

152k views

When a 10-V battery is connected to a resistor, 2 A of current flow in the resistor. What is the resistor's value

RictionaryFever asked Jun 11, 2023

by RictionaryFever

4.3k points

1 answer

11 votes

83.9k views

Help with some problems in homework please and thank you

Frank Adrian asked Jun 11, 2023

by Frank Adrian

3.8k points

1 answer

3 votes

151k views

Plane mirror produces a same-size real image. Is this true or false?

Sfactor asked Jun 11, 2023

by Sfactor

3.6k points

1 answer

5 votes

235k views

For the following questions, please provide a complete step by step solution. You do notneed interaction, but you are required force diagrams.

Leba asked Jun 11, 2023

by Leba

4.2k points

1 answer

1 vote

86.5k views

A 25 newton force applied on an object moves it 50 meters. The angle between the force and displacement is 40.0°. What is the value of work being done on the object?

Sashang asked Jun 11, 2023

by Sashang

4.1k points

1 answer

22 votes

177k views

A child is dragging a sled across the ground at a constant speed. The child pulls with a force of 15 N. The sled has a mass of 20 kg. What is the coefficient of friction between the sled and the ground?

Tutankhamun asked Jun 11, 2023

by Tutankhamun

4.2k points

1 answer

12 votes

134k views

How long will it take a person walking at 2.1m/s to travel 13m

Mickey Puri asked Jun 11, 2023

by Mickey Puri

4.4k points

1 answer

1 vote

171k views

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