The speed of sound in air is about 340 meters per second. How long does it take a sound wave to travel a distance of 7800 meters

Glucose (C6H12O6) is the simple sugar that plants make. What is the total number of atoms in glucose? A. 1 B. 3 C. 24 D. 144

What is the technical name for super glue type adhesives

The most massive component of the atom is A:proton B:electron C:nucleus D:neutron

During a softball game, a shortstop catches a ground ball. The action force is the ball pushing on the glove. What is the reaction force?

What's so great about solar energy systems?

Why does a balloon filled with helium rise while a balloon filled with an equal volume of average atmospheric air does not? A. Helium has no mass, but air does. B. Helium increases the balloon's mass more than air. C.

Consider the following controls in an automobile in motion : gas pedal, brake, steering wheel. what are the controls in this list that cause an acceleration of the car?

What material are oil pipelines made from?

3/129 A 175-lb pole vaulter carrying a uniform 16-ft, 10-lb pole approaches the jump with a velocity v and manages to barely clear the bar set at a height of 18 ft. As he clears the bar, his velocity and that of the pole are essentially zero.

A few years ago, Serena Williams dived to hit a tennis ball right after it bounced off the ground. The ball bounced on the ground 10.3 m from the net, and after Serena hit the ball it flew over the 0.