PHYS 1010 - Chapter 6 HW exam with |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
correct answers |||\\\
A slowly moving ship can have a greater momentum than a fast-moving racing car when___
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
(Ch. 6.1 - Momentum) - correct answer✔✔Its mass times velocity is greater than that of the
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
car.
Which has a greater momentum: a heavy truck a rest or a moving skateboard? (Ch. 6.1 -
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
Momentum) - correct answer✔✔The moving skateboard. |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
The quantity that is called impulse can be measured by the ___ (Ch. 6.2 - impulse) - correct
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
answer✔✔product of force and time |||\\\ |||\\\ |||\\\ |||\\\
An impulse can be increased by (Ch. 6.2 - impulse) - correct answer✔✔Increasing the force or
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
increasing the time interval. |||\\\ |||\\\ |||\\\
For the same force, why does a long cannon impart more speed to a cannonball than a short
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
cannon? (Ch. 6.2 - impulse) - correct answer✔✔The force applied for a longer time in the long
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
cannon
How is the impluse - momentum relationship related to Newton's second law? (Ch. 6.3 -
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
Impulse changes momentum) - correct answer✔✔F=ma=mΔv/Δt, |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
so Ft=Δ(mv)
|||\\\
To impart the greatest momentum to an object, you must (Ch. 6.3 - Impulse Changes
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
momentum) - correct answer✔✔exert the greatest force over the longest time. |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
correct answers |||\\\
A slowly moving ship can have a greater momentum than a fast-moving racing car when___
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
(Ch. 6.1 - Momentum) - correct answer✔✔Its mass times velocity is greater than that of the
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
car.
Which has a greater momentum: a heavy truck a rest or a moving skateboard? (Ch. 6.1 -
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
Momentum) - correct answer✔✔The moving skateboard. |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
The quantity that is called impulse can be measured by the ___ (Ch. 6.2 - impulse) - correct
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
answer✔✔product of force and time |||\\\ |||\\\ |||\\\ |||\\\
An impulse can be increased by (Ch. 6.2 - impulse) - correct answer✔✔Increasing the force or
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
increasing the time interval. |||\\\ |||\\\ |||\\\
For the same force, why does a long cannon impart more speed to a cannonball than a short
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
cannon? (Ch. 6.2 - impulse) - correct answer✔✔The force applied for a longer time in the long
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
cannon
How is the impluse - momentum relationship related to Newton's second law? (Ch. 6.3 -
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
Impulse changes momentum) - correct answer✔✔F=ma=mΔv/Δt, |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
so Ft=Δ(mv)
|||\\\
To impart the greatest momentum to an object, you must (Ch. 6.3 - Impulse Changes
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
momentum) - correct answer✔✔exert the greatest force over the longest time. |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\