Balanced rock has a mass of about 36,000 kg. if the acceleration due to gravity is 9.8 meters per second squared, what is the force that the rock is exerting on its pedestal?

A hot air balloon has a volume of 65,00 cubic feet of hot air. The balloon is at sea level on a standard day. If the temperature of the hot air in the balloon is 1100F, determine the lifting force of the balloon.

What does the theory of plate tectonics suggest?

If a magnet is put inside one coil of wire a voltage is produced. What will happen if the magnet is put inside two coils of wire

What principle of light's behavior can be used to make a far away object appear closer and also make a small object appear larger?

An object has an average acceleration of + 6.18 m/s2 for 0.266 s. At the end of this time the object's velocity is + 9.90 m/s.

Match each type of line or symbol, common to geologic maps, to its description. 1. Fault Line A. very dark and thick line 2. Contact Line B. very light and thin line 3. Axis Fold C. look like a stubby T 4. Strike and Dip D.

You drop your backpack out of a window from a height of 8.3 m. What is the impact speed of your backpack? A. 163 m/s B. 1.2 m/s C. 21.3 m/s D. 12.8 m/s

What is the kinetic energy of a car that has a mass of 1,600 kg and is moving at 22 m/s?

Which is an example of a transverse wave? A. sound B. electromagnetic C. water D. seismic waves

A physics student is riding on a train traveling north. Having read about inertia, the student performs an experiment with a golf ball. He reaches over the aisle and drops the ball from rest.