A car travels 100 km in the first two hours, stops for half an hour and then travels 200 km in the next four hours. Find the average speed of the car

Dry air is a better electric insulator than humid air. Would the electric discharge from a charged balloon happen more slowly in dry or humid air?

Best summarizes the law of conservation of energy?

A dog sledding team is comprised of a 80.0 kg musher (the person driving the sled), a 21.0 kg sled and four dogs. assume each dog/'s pull is fully transmitted to the sled, applied parallel to the ground and the sled travels along level ground.

A constant force of 560 n was applied to a rock. If 2700j of energy was used to move the rock, how far did the rock move

When charges build up on a surface they: apply a force to charges wandering nearby create an electric field A and B A or B

Identify characteristics of objective personality tests. -self-report -scientific -paper-and-pencil -questions about behavior -objective -potentially biased answers Multiple Choice-Psychology

The Pony Express was a mail delivery system in the Old West that used a series of men on horseback to deliver mail from St. Joseph, MO to Sacramento, CA along a trail that was 2000 miles long.

In the virtual lab, calculations were made of the predicted diffraction angle, using the formula θ ≈ StartFraction lambda over L EndFraction.

What trends were seen in Mendeleev's periodic table?

Through which medium would EM waves travel the fastest? A. The Ocean B. The Atmosphere C. Rocks