A body moving in the positive x direction passes the origin at time t = 0. Betwe

Question

A body moving in the positive x direction passes the origin at time t = 0. Between t = 0 and t = 1 second, the body has a constant speed of 24 meters per second. At t = 1 second, the body is given a constant acceleration of 6 meters per second squared in the negative x direction. The position x of the body at t = 11 seconds is Which of the following quantities is a scalar that is always positive or zero? A projectile is fired with initial velocity v_o at an angle theta with the horizontal and follows the trajectory shows above. Which of the following pairs of graphs best represents the vertical components of the velocity and acceleration, v and a, respectively, of the projectile as functions of time f?

Explanation / Answer

distance = speed / time

distance covered in 1 second = 24 * 1

distance covered in 1 second = 24 m

s = ut + 0.5 * at^2

distance covered in at 10 more second

s = 24 * 10 - 0.5 * 6 * 10^2

s = -60 m

total distance covered = 24 - 60

position after 11 second = -36 m

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