Recent questions in Physics

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The net force on an object is

Montonero asked Jun 11, 2023

by Montonero

3.7k points

1 answer

6 votes

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A box with a mass of 40 kg sits at rest on a frictionless tile floor. with your foot, you apply a 20 N force in a horizontal direction. what is the acceleration of the box?

JCricket asked Jun 11, 2023

by JCricket

3.8k points

2 answers

14 votes

150k views

You are riding a skateboard down the sidewalk and stop pushing yourself forward. The skateboard slows down and comes to a stop. What form of energy did the skateboard initially have? What energy conversion

Malvika asked Jun 11, 2023

by Malvika

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1 answer

0 votes

67.3k views

A tortoise can run with a speed of 0.15 m/s, and a hare can run 20 times as fast. In a race, they both start at the same time, but the hare stops to rest for 2.0 minutes. The tortoise wins by a shell (40

Igor Bubelov asked Jun 11, 2023

by Igor Bubelov

3.9k points

1 answer

0 votes

187k views

Where is energy coming from to move the propeller in this image? a wind turbine with three long propeller blades Public Domain Clouds Grass Rocks Wind

Aoh asked Jun 11, 2023

by Aoh

4.1k points

2 answers

3 votes

162k views

The magnitude of the force that does the work is 43.0 N. How much work is done by this force if a bookcase is moved a distance of 5.00 m

Rollstuhlfahrer asked Jun 11, 2023

by Rollstuhlfahrer

4.0k points

1 answer

11 votes

203k views

You have three light bulbs, a battery, and a switch.a) Using proper electrical symbols, draw a series circuit to show how to connect the three bulbs and the switch to the battery. Make sure that the switch

Lifewithelliott asked Jun 11, 2023

by Lifewithelliott

3.8k points

1 answer

0 votes

162k views

THE RESPIRATORY SYSTEM - 1/3 1. Astyanax wants to study oxygen exchange that occurs in the capillaries. Which form of oxygen would he study? diffusion bulk exchange aspiration ventilation 2. Which system

Jeff Dickey asked Jun 11, 2023

by Jeff Dickey

3.6k points

1 answer

16 votes

131k views

What is the angle between the vectors A and -A when these vectors are drawn from a common origin?Select one:O a. 180 degreesO b. O degreesc. 270 degreesO d. 90 degrees

Popeye asked Jun 11, 2023

by Popeye

4.7k points

1 answer

3 votes

76.5k views

Scientific laws tell us what we can expect under certain circumstances, but what do they fail to explain? OA. when OB. why OC. where O D. how

Aminul Haque Aome asked Jun 11, 2023

by Aminul Haque Aome

4.8k points

1 answer

3 votes

98.6k views

Help please i have a 17 as a grade :)

JARRRRG asked Jun 11, 2023

by JARRRRG

4.6k points

1 answer

2 votes

164k views

A simple machine is a machine that does work with only |two movements| of the machine true or false If false write the true answer

Robou asked Jun 11, 2023

by Robou

3.4k points

2 answers

4 votes

148k views

A circuit connected to a battery of 1.9 voltage. has a current of 0.07 amps. What is the resistance of the circuit

Babatunde asked Jun 11, 2023

by Babatunde

4.3k points

1 answer

16 votes

109k views

A wave has a period of .096 seconds. what is the frequency

HiQ CJ asked Jun 11, 2023

by HiQ CJ

4.5k points

1 answer

0 votes

93.4k views

Norma kicks a soccer ball with an initial velocity of 10.0 meters per second at an angle of 30.0°. If the ball moves through the air for 3.2 seconds, what is the horizontal distance traveled by the ball?

Steve Gilham asked Jun 11, 2023

by Steve Gilham

3.9k points

1 answer

13 votes

97.5k views

A proton moves in the negative x-direction through a uniform magnetic field in the negative y-direction what is the direction of the magnetic force acting on the proton? out of the page into the page in

Vashum asked Jun 11, 2023

by Vashum

4.3k points

1 answer

4 votes

190k views

The Doppler shift can be observed when _______ . Select all that apply.Group of answer choicesa- an observer moves away from a stationary sound sourceb- an observer moves towards a stationary sound sourcec-

Meowgoesthedog asked Jun 11, 2023

by Meowgoesthedog

4.9k points

1 answer

4 votes

9.5k views

skydivers accelerate downwards when they first pump out of an airplane. Eventually they reach a terminal velocity however, and their speed remains constant because teo forces become equal in magnitude

Kerieks asked Jun 11, 2023

by Kerieks

4.2k points

1 answer

4 votes

203k views

As you travel up into the mountains of the troposphere, increasing elevation, the air pressure... Oa. Decreases because the air gets more dense O b. Decreases because the air gets less dense Oc. Increases

Jimmie asked Jun 11, 2023

by Jimmie

4.3k points

1 answer

16 votes

117k views

What is the weight on mass

Vonette asked Jun 11, 2023

by Vonette

4.0k points

1 answer

23 votes

85.2k views

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