Recent questions in Physics

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1) When there is friction between surfaces, energy is transferred out of a system as ________ energy.

Sid Barrack asked Jul 7, 2023

by Sid Barrack

6.0k points

1 answer

3 votes

109k views

How does changing the frequency affect the wave speed

Roger Binns asked Jul 7, 2023

by Roger Binns

5.7k points

2 answers

0 votes

52.8k views

Write the type of simple machine shown in the diagram gn the line by its number. 1. Wedge 2. 3. 4. Inclined Plane 5. Pulley 6. Please help!! This is due tomorrow!!

Shi Quan asked Jul 7, 2023

by Shi Quan

6.2k points

1 answer

0 votes

106k views

Which of the following statements are true of an object moving in a circle at a constant speed? Include all that apply.a) Because the speed is constant, the acceleration is zero.b) If the net force acting

Aetodd asked Jul 7, 2023

by Aetodd

6.6k points

1 answer

4 votes

17.9k views

Two parallel wires carry currents of 20 A and 10 A, respectively, in the opposite direction and have a length of 5 m each. Determine the force between the wires if the distance between the wires is 1.0

Milevyo asked Jul 7, 2023

by Milevyo

5.8k points

1 answer

3 votes

194k views

A motorcycle traveling along a straight road increases its speed from 28.1 ft/s to 53.5ft/s in a distance of 181 feet. If the acceleration is constant, how many seconds of timeelapses while the motorcycle

Aniket asked Jul 7, 2023

by Aniket

5.5k points

1 answer

2 votes

195k views

Two cables hold up a 4.89 kgsign. The first cable lifts straightup at 31.5 N. How much forcedoes the second cable exert?

ZAfLu asked Jul 7, 2023

by ZAfLu

5.7k points

1 answer

2 votes

137k views

a 175-lbf pole vaulter carrying a uniform 16-ft, 10-lbf pole approaches the jump with a velocity v and manages to barely clear the bar set at a height of 18 ft. as he clears the bar, his velocity and that

Camiblanch asked Jul 7, 2023

by Camiblanch

6.1k points

1 answer

3 votes

149k views

Many animals use __?__to find prey. 2. A porpoise sends out an ultrasonic burst and hears the echo off his favorite food in 0.13 seconds. How far away is the food source? Assume that sound travels at 1,

Aubree asked Jul 7, 2023

by Aubree

6.1k points

1 answer

4 votes

53.5k views

You walk 6 meters east followed by 4 meters west in 4 seconds. What is your velocity

Russds asked Jul 7, 2023

by Russds

6.0k points

1 answer

11 votes

15.7k views

An electric heater rated 220V and 2.2KW works for 3 hours. Find the energy consumed and the current drawn by it. [Ans: 2.376 × 107J.

Carlos N asked Jul 7, 2023

by Carlos N

6.8k points

1 answer

23 votes

38.9k views

A doctor has a patient blow on one side of a U-shaped tube that is partially filled with water and has a ball floating on the other side, as shown in the image below. If the ball rises with a force of

MaKR asked Jul 7, 2023

by MaKR

6.2k points

1 answer

22 votes

52.7k views

Pls help with physics. Question: How does kicking a soccer ball relate to newton's third law? Thank you!

Gignosko asked Jul 7, 2023

by Gignosko

6.0k points

2 answers

7 votes

211k views

How much mass does the sun have? <33

Adarshaj asked Jul 7, 2023

by Adarshaj

5.9k points

1 answer

11 votes

163k views

The process of beta emission can be envisioned as the.

Torben Kohlmeier asked Jul 7, 2023

by Torben Kohlmeier

5.5k points

1 answer

22 votes

41.6k views

350L 125kpa decreased to 2.00l

Koblas asked Jul 7, 2023

by Koblas

4.9k points

1 answer

1 vote

104k views

The condenser transfers energy from the coolant to the air in the building. When the total energy input to the heat pump system is 1560 kJ the temperature of the air in the building increases from 11.6

Lucks asked Jul 7, 2023

by Lucks

6.5k points

1 answer

1 vote

216k views

19 Sonya says her interest in reality competition shows is waning. What is the state of her interest in these shows? A. B. C. D. it's in decline it's growing it's stable it's nonexistent

Tif asked Jul 7, 2023

by Tif

6.2k points

1 answer

3 votes

194k views

Which two statements are true of electromagnetic waves?

Hsin asked Jul 7, 2023

by Hsin

6.8k points

1 answer

0 votes

50.1k views

The strength of the force exerted on the pod during the collision is larger than the strength of the force exerted on the space station, but the forces are exerted in different directions.

Vbt asked Jul 7, 2023

by Vbt

6.9k points

1 answer

18 votes

154k views

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