An explosion occurs 340 km away. Given that sound travels at 340 m/s, the time the sound takes to reach you is

a. 1 s.

b. 10 s.

c. 100 s.

d. 200 s.

e. more than 200 s.

The chemical formula for naphthalene is C10H8. It's used to make mothballs and pesticides. In 4C10H8, the coefficient is blank, the subscript of carbon is blank, and the subscript of hydrogen is blank

When a metal and an bond they do not share electrons

A small smooth object slides from rest down a smooth inclined plane inclined at 30degrees horizontal. What is the acceleration down the plane?

Which example best represents balanced forces? A. an elevator stopped on the third floor B. a basketball shot into a hoop C. a sled sliding down a snowy hill D. a tow truck pulling a car out of a ditch

Whose principle states that when a force is applied to a confined fluid, and increase in pressure is transmitted equally to all parts of the fluid?

A 58.0 kg snow skier is on the top of 351 m high hill. After she has gone down a vertical distance of 142 m, what is her mechanical energy? Explain your answer (CER) !

A sphere has a mass of 2.10kg and travels along a horizontal plane at the velocity of 12.2m/s. Find the energy

What is the force required to accelerate a baseball with a mass of 0.145 kilograms and an acceleration of 35.00 meters/second squared?

A 4.00 kg stone is dropped from a height of 145 m. What is the stone's potential and kinetic energy respectively when it is 50.0 m from the ground?

If the speed of a vehicle was reduced from 65 miles per hour to 35 miles per hour, by approximately how many kilometers per hour was the speed reduced? (1 kilometer = 0.62 mile, rounded to the nearest 0.01 mile)