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A 0.25 kg ball is rolled across the floor with a velocity of 3.5 m/s. What is the ball's momentum?
70,800 kg×m/s
Danielle's ball
mass multiplied by velocity.
Most objects are affected by unbalanced forces such as friction.
0.875 kg×m/s
720 kg×m/s
5.8 kg×m/s
No. her answer is ten times too small.
Joan has a physics problem to solve. The mass is 50kg and the velocity is 2 m/s. Her answer is 10 kgxm/s. Is her answer correct?
70,800 kg×m/s
Danielle's ball
mass multiplied by velocity.
Most objects are affected by unbalanced forces such as friction.
0.875 kg×m/s
720 kg×m/s
5.8 kg×m/s
No. her answer is ten times too small.
A car is traveling with a velocity of 35.4 m/s. The mass of the car is 2000 kg. What is the momentum of the car?
70,800 kg×m/s
Danielle's ball
mass multiplied by velocity.
Most objects are affected by unbalanced forces such as friction.
0.875 kg×m/s
720 kg×m/s
5.8 kg×m/s
No. her answer is ten times too small.
Momentum is best defined as
70,800 kg×m/s
Danielle's ball
mass multiplied by velocity.
Most objects are affected by unbalanced forces such as friction.
0.875 kg×m/s
720 kg×m/s
5.8 kg×m/s
No. her answer is ten times too small.
Esme's 0.28 kg ball rolls at 1.4 m/s. Danielle's ball has the same mass but a velocity of 2.3 m/s. Which ball has the most momentum?
70,800 kg×m/s
Danielle's ball
mass multiplied by velocity.
Most objects are affected by unbalanced forces such as friction.
0.875 kg×m/s
720 kg×m/s
5.8 kg×m/s
No. her answer is ten times too small.
Why is Newton's first law correct even though real-world objects tend to eventually stop moving instead of remaining in motion?
70,800 kg×m/s
Danielle's ball
mass multiplied by velocity.
Most objects are affected by unbalanced forces such as friction.
0.875 kg×m/s
720 kg×m/s
5.8 kg×m/s
No. her answer is ten times too small.
The manufacturer of a bulletproof vest wants the vest to be able to stop a bullet with a mass of 0.4 kg and a velocity 1800 m/s. What is the momentum?
70,800 kg×m/s
Danielle's ball
mass multiplied by velocity.
Most objects are affected by unbalanced forces such as friction.
0.875 kg×m/s
720 kg×m/s
5.8 kg×m/s
No. her answer is ten times too small.
A 0.145 kg baseball is thrown with a velocity of 40 m/s. What is the baseball's momentum?
70,800 kg×m/s
Danielle's ball
mass multiplied by velocity.
Most objects are affected by unbalanced forces such as friction.
0.875 kg×m/s
720 kg×m/s
5.8 kg×m/s
No. her answer is ten times too small.
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