February 22, 2017

Homework Help: physics

Posted by Alex on Tuesday, December 7, 2010 at 6:08pm.

5. A truck is travelling at a constant velocity of 16.7 m/s. A pumpkin is shot vertically (at a 90o angle to the ground)at a velocity of 120. m/s from the bed of a this pickup truck. The bed of the pickup truck is one meter high (from the ground). Complete the following questions assuming that the air resistance is negligible.

a) Draw the initial velocity vector vi of the pumpkin with the vix and viy also shown.

b) Plot the x and y components of velocity (vx and vy ) versus time for the pumpkin.

c) What time will the pumpkin take to reach its maximum height?

d) What is the maximum height of the pumpkin's trajectory (from the ground) ?

e) How far does the truck travel before the pumpkin lands back in it's bed?

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