Consider an object moving through in the air under gravity. Assume that the motion is two dimensional (i. e. the object has a non-zero horizontal velocity). As the object reaches the highest point in its arc, what can we say about the magnitudes of its velocity and acceleration?1)The velocity and acceleration are zero.2)The velocity is zero.3)The acceleration is zero.4)Both the velocity and acceleration are zero.5)The velocity is at a minimum.6)The acceleration is at a minimum.7)Both the velocity and acceleration are at a minimum.8)More than one of the above is true.9)None of the above is true.

given data:

determine the horse power (h.p) = ?

force applied to move the box(f) = 10 pounds,

box lifted from a distance         (d) = 3 feet

time taken to lift                         (t) = 10 sec,

the horse power is defined as amount of work required to move a load. the horse power is equal to 550 foot-pound per second

                  1 h.p   = 550 foot-pound/second

it can also be defined as the the load that need to be move a body for certain distance in a certain amount of time.

mathematically,

                      h.p = (force × distance)/ time

                            = (10 × 3)/ 10

                            = 30/10

                            = 3 foot -pound/sec

hence, the horse power is needed to move the box is 3 foot-pound/second

important note: 1 h.p = 550 foot-pound/second = 746 watts

i think the answer is a, hope this : )

not too sure thinking all accelerations are pointed down