The use of a simple machine will reduce the amount of work needed to move an object. true false

What is the value of universal gravitational constant

Explain why atmospheric pressure decreases with increasing altitude (3marks)

Solar energy heats the surface of the earth including the ground rocks and even roadways as the temperatures of the surfaces increase heat energy is released back

The starship enterprise returns from warp drive to ordinary space with a forward speed of 50 km/s. to the crew's great sur - prise, a klingon ship is 100 km directly ahead, traveling in the same direction at a mere 20 km/s.

You throw a ball upward with a speed of 14 m/s. What is the acceleration of the ball after it leaves your hand?

Conductors have ___ resistance.

A California Condor is approaching its nest with a large chunk of carrion in its beak. As it approaches, it makes an upward swoop, achieving a momentary upward velocity of 12.

Radiation transfers thermal energy through -

A PWC is overtaking another vessel. Which vessel must give way?

A car traveling at + 7.0 m/s accelerates at the rate of + 0.80 m/s2 for an interval of 2.0 s. Find vf.