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Which of the following statements about momentum is always true?
720 kg×m/s
5.8 kg×m/s
Most objects are affected by unbalanced forces such as friction.
0.875 kg×m/s
As the velocity of an object increases its momentum increases.
Danielle's ball
mass multiplied by velocity.
A lamp continues to sit at rest on a table if there is no net force on it.
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?
720 kg×m/s
5.8 kg×m/s
Most objects are affected by unbalanced forces such as friction.
0.875 kg×m/s
As the velocity of an object increases its momentum increases.
Danielle's ball
mass multiplied by velocity.
A lamp continues to sit at rest on a table if there is no net force on it.
A 0.145 kg baseball is thrown with a velocity of 40 m/s. What is the baseball's momentum?
720 kg×m/s
5.8 kg×m/s
Most objects are affected by unbalanced forces such as friction.
0.875 kg×m/s
As the velocity of an object increases its momentum increases.
Danielle's ball
mass multiplied by velocity.
A lamp continues to sit at rest on a table if there is no net force on it.
Which of the following situations best illustrates Newton's first law?
720 kg×m/s
5.8 kg×m/s
Most objects are affected by unbalanced forces such as friction.
0.875 kg×m/s
As the velocity of an object increases its momentum increases.
Danielle's ball
mass multiplied by velocity.
A lamp continues to sit at rest on a table if there is no net force on it.
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?
720 kg×m/s
5.8 kg×m/s
Most objects are affected by unbalanced forces such as friction.
0.875 kg×m/s
As the velocity of an object increases its momentum increases.
Danielle's ball
mass multiplied by velocity.
A lamp continues to sit at rest on a table if there is no net force on it.
Momentum is best defined as
720 kg×m/s
5.8 kg×m/s
Most objects are affected by unbalanced forces such as friction.
0.875 kg×m/s
As the velocity of an object increases its momentum increases.
Danielle's ball
mass multiplied by velocity.
A lamp continues to sit at rest on a table if there is no net force on it.
A 0.25 kg ball is rolled across the floor with a velocity of 3.5 m/s. What is the ball's momentum?
720 kg×m/s
5.8 kg×m/s
Most objects are affected by unbalanced forces such as friction.
0.875 kg×m/s
As the velocity of an object increases its momentum increases.
Danielle's ball
mass multiplied by velocity.
A lamp continues to sit at rest on a table if there is no net force on it.
Why is Newton's first law correct even though real-world objects tend to eventually stop moving instead of remaining in motion?
720 kg×m/s
5.8 kg×m/s
Most objects are affected by unbalanced forces such as friction.
0.875 kg×m/s
As the velocity of an object increases its momentum increases.
Danielle's ball
mass multiplied by velocity.
A lamp continues to sit at rest on a table if there is no net force on it.
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