A 67 kg astronaut floating in space throws a 4.2 kg rock at 5.6 m/sec. How fast does the astronaut move backward?

A plane can fly at 385mph in still air. If it can fly 220 miles downwind in the same amount of time it can fly upwind at 165 miles, what is the velocity of the wind?

a student performs an experiment with three unknown fluids and obtains the following measurements : fluid A: m = 2060 g, V=2000 ml, Fluid B: m=672 g, V = 850 ml, Fluid C: m=990 g, V=1100 ml.

A backpack weighs 8.2 newtons and has a mass of 5 kg on tje mion whatt is the strength of gravity on the moon

About how much energy is transferred between a producer and primary consumer? A. 90% of the original energy from the Sun is transferred B. 10% of the original energy from the Sun is transferred C. 10% of the plant's energy is transferred D. 0.

What kinetic energy has 1 tone car traveling at 15 m/s

It always takes to change the motion of an object. O A. electricity OB. energy C. gravity D. density Reset

What might a psychodynamic theorist think about a person with extreme shyness?

Determine the magnitude of the acceleration for the speeding up phase.

A battery is used to?

A person riding on the roof of a freight train throws a ball forward. (a) If we ignore air drag and relative to the ground, is the ball moving faster or slower when the train is moving than when it is standing still?