An eagle flying through the air is an example of
a. kinetic energy
b. potential energy
c. released energy

What is the speed of an object at a given moment?

Why is the use of carbon-14 limited

Ahot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magnitude g/4. after time interval δt, a crew member releases a ballast sandbag from the basket attached to the balloon. how many seconds does it take the sandbag to reach the ground? (express your answer in terms of δt)