A hot air balloon is rising at a speed of 10 km/hr. One hour later, the balloon is still rising at 10 km/hr. What is its acceleration?

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

If we relied solely on the nonrenewable resources found in the u. s., which one would we run out of first at current usage levels? a. natural gas b. oil c. uranium d. coal

Which levels of government establish and implement educational requirements for minors