What is a Vector and a scalar?

What are the nonmetals in Group 16 of the periodic table

When a rocket accelerates through space is there work done?

True or false when two containers at the same temperature are brought together, no heat is transferred

A 1.5 kg orange falls from a tree and hits the ground in 0.75s. What is the speed of the orange just before it hits the ground?

Why do we see only one side of the moon from earth? A. The moon does not rotate. B. The moon takes longer to rotate than to revolve around earth. C. The moon takes less time to rotate than to revolve around earth. D.

The voltage across the primary winding is 350,000 V, and the voltage across the secondary winding is 17,500 V. If the secondary winding has 600 coils, how many coils are in the primary winding? 30 583 12000 332500

A 200 watt t. v. is used for 20 hours in a week. If it is used for four weeks then what is cost of electricity if rate is 5rs/kwh

In an experiment, the control is never changed by the scientist not important to the scientist not recorded by the scientist changed by the scientist

When you catch a baseball, what kind of work do you do, negative or positive? by catching the ball, what do you change? what energy does it gain or lose?

All describe work except A) a team of dogs dragging a sled B) a jokey sitting on a horse C) a bowler lifting a bowling ball