You launch a model rocket that has a mass of 1 kg. At a height of 500 m, it is traveling at 120 m/s. What is its kinetic energy at this point?
A. 60 J
B. 14,400 J
C. 7,200 J
D. 29 J
SUBMIT

Which is not a source of noise pollution? a)airplanes b)acid rain c)machines d)cars

Initially, a particle is moving at 5.33 m/s at an angle of 37.9° above the horizontal. two seconds later, its velocity is 6.11 m/s at an angle of 54.2° below the horizontal. what was the particle's average acceleration during these 2.00 seconds in the x-direction (enter first) and the y-direction?

Suppose you have a box. which of these is not necessarily a true statement regarding the relationship between the force applied to the box, the work done on the box, and the distance the box is moved? a. if the box is not moved, no force is being applied to the box. b. if no force is applied to the box, no work is done on the box. c. if work is done on the box, then a force is applied to the box. d. if work is done on the box, then the box is moved a distance.