When energy changes from one form to another, some energy is always changed to A. sound B. heat C. electricity D. light.

What was the first experiment to show that light is a wave?

A skier starts from rest at the top of a 42 m hill, skis down a 39° incline into a valley, and continues up a 36 m high hill. Both hill heights are measured from the valley floor. Assume that you can neglect friction and the effect of ski poles. 1.

Which best describes loudness

5.00 kg of liquid water is heated to 100.0 °C in a closed system. At this temperature, the density of liquid water is 958 kg/m3. The pressure is maintained at atmospheric pressure of 1.01 x 105 Pa.

Alternative between running snd walking

On a weather map places that have the same temperature are joined with lines called

Which of the following generally speed up a reaction? A. increasing the activation energy B. removing any catalysts C. adding more heat D. shaking the container holding the reaction

Cual es el peso de 5L de un fluido que tiene una densidad 3.5 veces mayor que la del agua?

A flask containing neon gas is connected to an open-ended mercury manometer. The open end is exposed to the atmosphere, where the prevailing pressure is 745 torr. The mercury level in the open arm is 50.

1. f= 2. v= 3. 2 = 4. T= 8 m/s 8 sec 8 Hz 8 m Match the letters with the measurements