Astronomers believe the moon used to be much closer to the earth (mass = 5.98 x 10^24 kg). When it was at 1.92 x 10^8 m, half its current distance, what was its orbital seed?

If we put on wet clothes tge temperature of the body is lowered considerable. why

What element in the periodic table of elements has the greatest number of electrons

Humid air is a better electrical conductor than dry air. Explain why you are most likely to receive a shock after walking across a carpet when the air is dry than when the air is humid.

A fusion reaction releases energy because the binding energy of the resulting nucleus

A car takes 15 minutes to travel along a road that is 20 km long. What is the average speed of the car? A. 75 km/h B. 5.0 km/h C. 80 km/h D. 300 km/h

What type of force slows you down as you slide across the floor? A. Strong nuclear force B. Friction C. Magnetic force D. Gravity

Scenario A: A ramp is used to lift a refrigerator a height of 12 m with a force of 110 N. The ramp is at an angle of 50° to the ground. Scenario B: A ramp is used to lift a refrigerator a height of 13 m with a force of 120 N.

The sun is 30 degrees above the horizon. it makes a 51 m long shadow of a tall tree. part a how high is the tree?

What can destroy stuff yet does not have any mass

The small piston of a hydraulic lift has a cross-sectional of 3 00 cm2 and its large piston has a cross-sectional area of 200 cm2.