What's the definition of sound?

What are 5 of the elements in the periodic table

Why does Newton's law of universal gravitation apply to all objects in the universe?

What are two processes that result in rocks being broken down into smaller pieces?

An earth satellite remains in orbit at a distance of 13300 km from the center of the earth. what is its period? the universal gravitational constant is 6.67 à 10â11 n · m2 / kg2 and the mass of the earth is 5.98 à 1024 kg. answer in units of s.

A hot air balloon is ascending at a rate of 7.5m/s when a passenger drops a camera. If the camera is 25m above the ground when it is dropped, how much time does it take for the camera to reach the ground, and what is the velocity just before it

A car is traveling at vx = 20 m/s. The driver applies the brakes and the car decelerates at ax = - 4.0 m/s2. What is the stopping distance? A car is traveling at = 20. The driver applies the brakes and the car decelerates at = - 4.0.

Most earthquakes occur along or near the edges of the earth's

What can we say about the rock as it falls to Earth? A) It accelerates as it falls. B) It falls at a constant rate of speed. C) It is at a constant velocity as it falls. D) It accelerates until it reaches a peak velocity, then decelerates.

What is true about the nodes and antinodes of a standing wave?

A large truck loaded with scrap Stella weights 14 metric tons and is traveling north on the interstate heading for Chicago. It has been averaging 48km/h for the journey and has traveled over the 1450 km so far. It has just stopped to refuel.