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You are standing in a moving bus, facing forward, and you su…

You are standing in a moving bus, facing forward, and you suddenly fall forward as the bus comes to an immediate stop. What force caused you to fall forward?

Published August 23, 2024
Categorized as Uncategorized

A 5.0-C charge is 10m from a −2.0-C charge. The electrostati…

A 5.0-C charge is 10m from a −2.0-C charge. The electrostatic force on the positive charge is: K = 8.9 x 109 N m2/C2

Published August 23, 2024
Categorized as Uncategorized

Your pet hamster sits on a record player whose angular speed…

Your pet hamster sits on a record player whose angular speed is constant. If he moves to a point twice as far from the center, then his linear speed

Published August 23, 2024
Categorized as Uncategorized

True or False: A ball is dropped from the same height upon v…

True or False: A ball is dropped from the same height upon various flat surfaces. For the same collision time, impulses are smaller when the most bouncing take place.

Published August 23, 2024
Categorized as Uncategorized

Horses that move with the fastest linear speed on a merry-go…

Horses that move with the fastest linear speed on a merry-go-round are located

Published August 23, 2024
Categorized as Uncategorized

A 20-ton truck collides with a 1500-lb car and causes a lot…

A 20-ton truck collides with a 1500-lb car and causes a lot of damage to the car.  Since a lot of damage is done on the car

Published August 23, 2024
Categorized as Uncategorized

A 2 kg mass has 40 J of potential energy with respect to the…

A 2 kg mass has 40 J of potential energy with respect to the ground. How high is it above the ground?

Published August 23, 2024
Categorized as Uncategorized

For a system in mechanical or static  equilibrium,

For a system in mechanical or static  equilibrium,

Published August 23, 2024
Categorized as Uncategorized

What is the centripetal acceleration of a point on the perim…

What is the centripetal acceleration of a point on the perimeter of a bicycle wheel of diameter 70.0 cm when the bike is moving 8.00 m/s?

Published August 23, 2024
Categorized as Uncategorized

Determine if the following statements are true or false abou…

Determine if the following statements are true or false about gravitational force:  The gravitational force acting upon an object at rest on a horizontal  surface is the same as the weight of the object.

Published August 23, 2024
Categorized as Uncategorized

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