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

A jackhammer is causing vibrations in a wall that is connected to the concrete being jackhammered. When the hammer is stopped, the wall ceases to vibrate. This type of vibration is: resonance forced vibration an example of beats none of the above

What kind of gas cloud is most likely to give birth to stars? what kind of gas cloud is most likely to give birth to stars? a cold, dense gas cloud a hot, dense gas cloud a hot, low-density gas cloud a cold, low-density gas cloud?

Why can we still see craters on the moon even though they were formed by ancient meteor collisions?

Maria and Carla were hiking when Maria tripped, fell, and sprained her ankle. Carla took out the first-aid kit and unwrapped a cold pack. Carla popped a vial that was inside the cold pack.

Anybody know where to find the a list of equations used for junior physics class

Where Pabs is absolute pressurePg, is gauge pressure, and Patm is atmospheric pressure. For example, if your tire gauge reads 34 lb/incz (pounds per square inch), then the absolute pressure is ...

The tip of a triangle is held 12.0 cm above the surface of a flat pool of water. A submerged swimmer in the pool sees the tip of the triangle at what distance above the water? Let the indices of refraction nwater = 1.33 and nair = 1.00.

What is a lever used for?

What did the romans build as a step toward environment management

Accelerations are produced by equal forces or unequal forces?