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A 55 kg astronaut who weighs 180 N on a distant planet ispondering whether she can leap over a 3.5-m-wide chasm without falling in. If she leaps at a 15° angle, what initial speed doesshe need to clear

Ojen asked Jun 20, 2023

by Ojen

5.8k points

1 answer

4 votes

199k views

A yoyo can be approximated as a solid cylinder of mass m, radius R and thickness d. Two identical such yoyos have their strings tied together and are wound so that the two yoyos are touching each other.

Juicy asked Jun 19, 2023

by Juicy

5.7k points

1 answer

2 votes

160k views

I BEGGGG FOR YOUR HELP URGENTLY an oil tanker has a total mass of 3.6×10 to the power of five tonnes. The width of the tanker is 36 m and the length of the tanker is 480m. assuming that the tanker has

Krishna Reddy asked Jun 19, 2023

by Krishna Reddy

6.1k points

1 answer

2 votes

195k views

A 45 kg object has a momentum of 225 kg-m/s northward. What is the object's velocity? A. 5.0 m/s B. 180 m/s C. 10,125 m/s D. 0.20 m/s

Ashvin asked Jun 19, 2023

by Ashvin

5.2k points

2 answers

9 votes

35.2k views

What are the products of a fission reaction? A. A smaller nucleus and a positron. B. Energy and a larger nucleus. C. Energy and two or more smaller nuclei D. A larger nucleus and an electron.

ElectronAnt asked Jun 19, 2023

by ElectronAnt

6.0k points

1 answer

5 votes

166k views

B) what is the frequency of the sound wave;i.e, the tuning fork? C) the water continues to leak out the bottom of the tube When the tube next resonates with tuning fork, what is length of the air column?

Souvik Sikdar asked Jun 19, 2023

by Souvik Sikdar

5.3k points

1 answer

0 votes

125k views

How to find final kinetic energy given height, mass, distance, and velocity.

Mvb asked Jun 19, 2023

by Mvb

5.9k points

2 answers

15 votes

85.8k views

A Celsius thermometer reads an outdoor temperature of 44.7o C. What is this temperature in Fahrenheit?

Anthony Simmon asked Jun 19, 2023

by Anthony Simmon

5.1k points

1 answer

4 votes

177k views

What does it mean when di is negative?

Urig asked Jun 19, 2023

by Urig

5.9k points

1 answer

20 votes

65.3k views

A soccer ball is traveling at a velocity of 15 m a second the kinetic energy of the ball is 500 J what is the mass of the soccer ball

Saurav asked Jun 19, 2023

by Saurav

5.6k points

1 answer

19 votes

179k views

What it means gains momentum ?

Laurion Burchall asked Jun 19, 2023

by Laurion Burchall

5.9k points

2 answers

5 votes

91.3k views

Help me its important plssssssssssss

Luke Skywalker asked Jun 19, 2023

by Luke Skywalker

5.8k points

1 answer

25 votes

140k views

You have noticed that half an hour taken to reach form your bus stop to school when the school bus travels with an average speed of 40Km/hr. Estimate the distance from the bus stop to the school

Anuj Aneja asked Jun 19, 2023

by Anuj Aneja

5.5k points

1 answer

23 votes

130k views

trying to find out if a or b has the greater value of _____ Displacement from t = 0 s to t = 5s _____ Displacement from t = 0 s to t = 2.5s _____ Displacement from t = 2.5 s to t = 5s _____ Average velocity

Tyler Smith asked Jun 19, 2023

by Tyler Smith

5.8k points

1 answer

1 vote

85.0k views

Compare the forces required to push a fridge across a floor if, in one case, friction does not exist and in the other case friction does exist; Fridge mass = 100 kg and μk = 0.40.

Jdiaz asked Jun 19, 2023

by Jdiaz

5.7k points

1 answer

3 votes

204k views

What is a frame of reference.....

Gabriel Grant asked Jun 19, 2023

by Gabriel Grant

5.6k points

1 answer

5 votes

103k views

In your own words, explain what friction is

TheChrisKent asked Jun 19, 2023

by TheChrisKent

5.8k points

1 answer

19 votes

92.5k views

Identify the preventive measures for each type of hazard

Mykola Bohdiuk asked Jun 19, 2023

by Mykola Bohdiuk

5.0k points

1 answer

2 votes

202k views

WHAT IS THE NAME OF THE TWO PYROMETER DEVICES AND THEIR COMPARISON

Roy M J asked Jun 19, 2023

by Roy M J

6.3k points

2 answers

2 votes

222k views

a 2 500-kg car is moving at 2.30 m/s. how fast must a 1.5-kg toy car be moving so that the two have the same kinetic energy?

Oliver Giesen asked Jun 19, 2023

by Oliver Giesen

6.3k points

1 answer

5 votes

658 views

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