# Momentum and Impulse - Page 3

Questions

- The kinetic energy of an object with a mass of #1 kg# constantly changes from #126 J# to #702 J# over #9 s#. What is the impulse on the object at #5 s#?
- Which has more momentum, a #7kg# object moving at #8m/s# or a #4kg# object moving at #9m/s#?
- When hit with a bat, a baseball of mass 0.305-kg changes velocity from 38.1 m/s to 49.9 m/s in the opposite direction. What is the force on the baseball for a contact time of 0.0031 s?
- An object with a mass of #6 kg# is traveling at #2 m/s#. If the object is accelerated by a force of #f(x) = e^(2x) # over #x in [0, 9]#, where x is in meters, what is the impulse at #x = 6#?
- Light and heavy objects have equal kinetic energy.which one has greater momentum?
- The kinetic energy of an object with a mass of #2 kg# constantly changes from #32 J# to #136 J# over #4 s#. What is the impulse on the object at #1 s#?
- The velocity of an object with a mass of #3 kg# is given by #v(t)= - 5sin 2 t + cos 7 t #. What is the impulse applied to the object at #t= pi /6 #?
- The velocity of an object with a mass of #3 kg# is given by #v(t)= sin 6 t + cos 9 t #. What is the impulse applied to the object at #t= ( 7 pi)/ 12 #?
- How can momentum be increased?
- The kinetic energy of an object with a mass of #4 kg# constantly changes from #30 J# to #390 J# over #9 s#. What is the impulse on the object at #2 s#?
- Which has more momentum, an object with a mass of #5kg# moving at #3m/s# or an object with a mass of #2kg# moving at #13m/s#?
- How does impulse affect momentum?
- Which has more momentum, a #5# #kg# object moving at #16# #ms^-1# or a #5# #kg# object moving at #20# #ms^-1#?
- Which has more momentum, an object with a mass of #6kg# moving at #2m/s# or an object with a mass of #12kg# moving at #3m/s#?
- Assume a car and truck are moving with the Impulse same speed of 15 m/s. 1) Calculate momentum of the car of mass 975 kg 2) Calculate momentum of the truck of mass 2675 kg 3) Determine the force =? Needed to stop each in 25 s.
- Which has more momentum, an object with a mass of #5kg# moving at #15m/s# or an object with a mass of #20kg# moving at #17m/s#?
- The velocity of an object with a mass of #6 kg# is given by #v(t)= sin 5 t + cos 3 t #. What is the impulse applied to the object at #t= ( pi)/ 2 #?
- How much momentum does a 1000 kg car traveling at 35 m/s have?
- Could an elephant have the same momentum as a golf ball?
- The velocity of an object with a mass of #3 kg# is given by #v(t)= - t^2 +4 t #. What is the impulse applied to the object at #t= 5 #?