What happens to kinetic energy when the speed doubles

A player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 m/s. What is the vertical velocity component of the ball to the nearest m/s?

Determine the value of the resistor r so that a current of 0.5a flows through the load.

Which of the following is an example of speed? A) 8m/s B) 7 m/s north C) - 3 m/s^2 east D) 5 m/s^2 east

Two equal forces act on two different objects, one of which has a mass ten times as large as the other. Will the more massive object have a larger acceleration, an equal acceleration, or a smaller acceleration than the less massive object? Explain.

What color smoke coming from a coal-fired power plant would indicate wasted fuel?

How is the information sent back to earth by the robots?

During which change of state do atoms lose energy? sublimation freezing boiling melting

Why does the rotation of earth require people to establish times zones?

Which of the following statements best describes the importance of investigations in science

Which element has a complete valence electrons hell?