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A force gives a 2.0 kg mass an acceleration of 6.0 m/s/s. What is the magnitude of the force?
14 meters
1.0 m/s
122500 J
12 N
1200 lb*mph
105 N
1125 J
energy cannot be created nor destroyed only changed in form.
It takes Grandpa Simpsons fake teeth 1.5 seconds to fall to the ground (a distance of 1.5 meters) from his mouth. What is the average speed with which the teeth fall?
14 meters
1.0 m/s
122500 J
12 N
1200 lb*mph
105 N
1125 J
energy cannot be created nor destroyed only changed in form.
The kinetic energy of a 10 kg bowling ball rolling with velocity of 15 m/s N is:
14 meters
1.0 m/s
122500 J
12 N
1200 lb*mph
105 N
1125 J
energy cannot be created nor destroyed only changed in form.
A 120-lb skateboarder with the speed of 10 mph collides with a shopping cart (This is why you should not skateboard in the mall!). What is the skateboarders momentum?
14 meters
1.0 m/s
122500 J
12 N
1200 lb*mph
105 N
1125 J
energy cannot be created nor destroyed only changed in form.
If a car at rest requires a force of 100 N to be put in motion, and the force of friction is 5 N, what is the net force required to move it?
14 meters
1.0 m/s
122500 J
12 N
1200 lb*mph
105 N
1125 J
energy cannot be created nor destroyed only changed in form.
Conservation of Energy means that:
14 meters
1.0 m/s
122500 J
12 N
1200 lb*mph
105 N
1125 J
energy cannot be created nor destroyed only changed in form.
A 50 kg Wonder-woman is set to jump from a skyscraper that is 250 m high. What is her total gravitational potential energy (remember that g = 9.8 m/s/s)?
14 meters
1.0 m/s
122500 J
12 N
1200 lb*mph
105 N
1125 J
energy cannot be created nor destroyed only changed in form.
LeBron steals the basketball from Kobe and dunks it after 3.5 seconds. How far away from the basket was he when he stole the ball if he ran with an average speed of 4 m/s to get there?
14 meters
1.0 m/s
122500 J
12 N
1200 lb*mph
105 N
1125 J
energy cannot be created nor destroyed only changed in form.
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