Find the percentage of the total work lost to friction if 28.7 J of work is put into pushing a block up a ramp resulting in 14.2 J of stored potential energy at the top.

A soccer ball with a mass of 0.45 kg is kicked and is moving at 8.9 m/s. Find the kinetic energy of the ball.

Which type of material would be best to use for construction in an area prone to earthquakes? concrete brick wood stone

Why is the Atlantic ocean said to operate like a conveyor belt?

What are some proxy sites not blocked by lightspeed systems?

Which of the following is not a process that forms metallic ore

The best way to prevent heat exhaustion while exercising is to

The highest frequency radio waves are which type?

When a mass is placed on a spring with a spring constant of 15 newtons per meter, the spring is compressed 0.25 meter. How much elastic potential energy is stored in the spring?

Explain why we see the Milky Way as a faint band of light stretching across the sky.

A piece of plastic tape coated with iron oxide is magnet - ized more in some parts than in others. When the tape is moved past a small coil of wire, what happens in the coil? What is a practical application of this?