A 4kg object is accelerating from rest to a speed of 8m/s in 4s what power is delivered to the object after 3s ​

An apple is falling from a tree. disregarding air resistance, which diagram shows the free-body diagram of the force or forces acting on the apple?

Argon, neon, and xenon are examples of

Coal contains energy. a. light b. kinetic c. chemical d. mechanical