Four identical trucks roll off of tables of different heights with different ini

Question

Four identical trucks roll off of tables of different heights with different initial speeds, as shown below. Assume that the truck roll off the table horizontally. Answer the following questions about the motion of the trucks after they roll off the tables. How does the time Truck (A) spent in the air compare to the time Truck (B) spent in the air? t_A t_B t_A = t_B unable to determine How does the time truck (A) spent in the air compare to the time truck (C) spent in the air? t_A t_C t_A = t_C unable to determine How does the time truck (C) spent in the air compare to the time (D) spent in the air? t_C t_D t_C = t_D unable to determine How does the acceleration of truck (A) compare with the acceleration of truck (B) as they fall? a_A a_B a_A = a_B unable to determine How does the acceleration of truck (C) compare with the acceleration of truck (D) as they fall? a_C a_D a_C = a_D unable to determine How does the horizontal distance traveled by truck (A) compare with the horizontal distance covered by truck (B)? x_A x_B x_A= x_B unable to determine

Explanation / Answer

Here, time, t = sqrt(2 *H/g)

horizontal distance = vx * t

a)     tA = tB

b)     tA < tC

c)   tC < tD

d)    aA = aB

e)    aC = aD

f)   xA < xB

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