Calculate the average velocity of a dancer who moves 5m toward the left of the stage over the course of 15 s

If the net work done on an object is zero, what can you determine about the object's kinetic energy? (A) The object's kinetic energy remains the same. (B) The object's kinetic energy is decreasing. (C) The object's kinetic energy is increasing.

What is a meaning of the word advance? (Ala movement forward B. a business company C. a measuring device

The monthly (30 days) electric bill included the cost of running a central air-conditioning unit for 2.0 hr/day at 5000 W, and a series connection of ten 60 W light bulbs for 5.0 hr/day.

Which information is necessary to determine an object's speed? A. distance and period of time B. distance and change in position C. period of time and direction D. distance and direction

A batter hits two baseballs with the same force. One hits the ground near third base. The other is a home run out of the park. Where was there more work done?

In a Little League baseball game, the 145 g ball enters the strike zone with a speed of 17.0 m/s. The batter hits the ball, and it leaves his bat with a speed of 24.0 m/s in exactly the opposite direction.

The mass of the products (solid and gaseous) of a fire is the same as the mass of the fuel and oxygen consumed in the fire. true or false

What is formed when two or more atoms are combined?" A. Molecules B. Big atoms C. Elements

What is te leading cause of type 2 diabetes

Energy conversion is the change of energy from what to another