How many radians does a 0.300-m radius automobile tire rotate after starting from rest and accelerating at a constant angular acceleration of 2.00 rad/s2 over a 5.00-s interval?
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A race car round a curve at 60 m/s. The radius of the curve…
A race car round a curve at 60 m/s. The radius of the curve is 400 m, and the car’s mass is 6000 kg. What is the centripetal force acting on the car?
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?
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
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
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
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.
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?
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
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?