 |
|
| Browse | Ask | Answer | Search | Join/Login |
|
|
||||
|
Momentum Impulse
A tennis ball of mass m=0.060Kg and speed v= 25m/s strikes a wall at a 45 degrees angle and rebounds with the same speed at 45 degrees angle. What is the impulse given the wall?
|
||||
|
|
|
||||
|
In other words, find the change in momentum of the ball. Draw a sketch and find the change in momentum. You'll get a right-angled triangle. This should help you get the answer. |
||||
|
|
| Question Tools | Search this Question |
Check out some similar questions!
Susie is sitting on a bench watching the sunset when a child's ball rolls toward her. Kimberly returns the ball to the child by hitting it with her 1.5-kg bag at a speed of 15 m/s. With that force does Susie hit the ball when the time of contact lasts for 0.4 s? Jason is trying to make his 60-kg...
A helium nucleus (He-4) of mass 4 amu moving with a speed v breaks up into a neutron (mass 1 amu) and a helium isotope nucleus (He-3) of mass 3 amu. The neutron moves off at right angles to the original He-4. If the neutron speed is 3v, what is the final velocity of the He-3 nucleus? Ok, so I...
A 0.145 kg baseball is pitched 42 m/s The batter hits it horizontally to the pitcher at 58 m/s A) Find the change in momentum of the ball B) If the ball and bat are in contact for 4.6 x 10 exponent -4 seconds what is the average force during contact?
A small 120 kg rocket is fired vertically, proppelled by an engine with a thrust of 6500N. THe engine ejects gas at the rate of 4.5kg/s. Calculate the change in velocity of gases relative to the engine. You must use momentum as a last step to answer this question. I am confused on how to answer...
View more questions Search
|
