Work in the amount of 280 J is done in lifting an object a distance of 4.0 m in a time. How much force did it take to lift the object?

What's does NOT describe a solid?

Explain how neurons convey information using both electrical and chemical signals.

A stuffed dog is tied to the end of a rope with a radius of 1 meter and swung in a horizontal circle with an angular velocity of 10 m/s.

What is the same for all types of electromagnetic radiation?

Is it true that an Atoms nucleus holding large amount of kinetic energy

Which is an example of transfroming potential energy to kinetic

Place the ball in the plastic bag, and twist the top so the ball is secure in the bag. Wrap the twisted portion with tape so it stays tight. Use the hole punch or scissors to poke a hole in the part of the bag that's above the ball.

Choose The units of 1/4πε0 are: A. N2C2 B. N • m/C C. N2 • m2/C2 D. N • m2/C2 E. m2/C2

What does a fern ultimately depend on as an energy source?

According to the Doppler Effect, which statement is true about a sound as it approaches you and then moves away. A) As the source approaches you, the sound waves are compressed so the pitch of the noise increases.