6. Suzie hammers on a block of wood when she is 85 meters from a large brick wall. Each time she

she hits the block, she hears an echo 0.50 s later. With this information, show that the speed of

sound is 340 m/s.

Which scientist would be most likely to study new energy is transmitted by water waves

What would happen to the earth if it orbited further away from the sun than it does now?

Use the diagram to answer each question. Why are the field lines of the magnetosphere farther apart on the side of Earth facing away from the sun?

When a box rests on a round sheet of wood on the ground, it exerts an average pressure p on the wood. If the wood is replaced by a sheet that has half the diameter of the original piece, what is the new average pressure?

A 144-g baseball moving 27 m/s strikes a stationary 5.25-kg brick resting on small rollers so it moves without significant friction. After hitting the brick, the baseball bounces straight back, and the brick moves forward at 1.07 m/s.

If a body of mass 10 kg is pushed with a force of 15N, then the acceleration of the body is

Describe the position of earth moon and sun during a solar eclipse

What is an output force? a. the force a person applies to a simple machine b. the force a simple machine applies to an object c. the net force on a system d. the applied force on a system

Would iron and carbon from metallic bonds

How many joules does a shortbread cookie have