What is the relationship between net force and balanced forces

Which of the following items is good conductor of electricity

A grasshopper leaps into the air at a 62° angle above the horizontal, and follows a parabolic arc in free fall after it leaves the ground. Mark all of the following that are true at the top of that parabolic arc? a.

What is the average speed of a cheetah that runs 70 m in 2.5 seconds?

How much charge does a 9.0 v battery transfer from the negative to the positive terminal while doing 21 j of work?

Heat a liquid high enough and it will change into a

The amount of force needed to keep a 0.1kg basketball moving at a constant speed of 6 m/s on frictionless ice is ___ N

What three forms of kinetic energy can a polyatomic molecule have?

A parachutist bails out and freely falls 50 m. Then the parachute opens, and thereafter she deceler - ates at 2.0 m/s2. She reaches the ground with a speed of 3.0 m/s.

Why the weight of a body decreases with increases in distance from the earth's surface

On a fishing trip Justin rides in a book 12 km south. The fish aren't biting so they go for kilometers west. They then follow a school of fish 1 km north. What distance did they cover? What was their displacement?