Object 1 and 2 attract each other with a electrostatic force of 36.0 units. If the charge of object 1 is changed to four times the original value, then the new electrostatic force will be

Reggie can do 50 pushups in one minute. If the mass that Reggie is lifting which each push-up is at 92 kg, what must also be measured in order to determine his power output?

Why is an echo weaker than the original sound? 1. The echo has a shorter wavelength than the original sound due to the reflection. 2.

Which statement best explains the movement of electric current from the clouds to the ground during a lightning storm?. A. the ground and the clouds are both negatively charged. B. the ground and the clouds are both positively charged C.

Compared to yellow light, orange light has A. a different polarization. B. a longer wavelength. C. a faster wave velocity. D. the same frequency.

It took 3.3 s for a student to move a 6.4 N chair a distance of 10.7 m. How much power did she use?

During a solar eclipse, you have the opportunity to observe stars around the periphery of the sun with a telescope. Which of the following is an observation that you would expect to make? A. The starlight is decentralized. B.

La energia cinetica de una masa de 6kg que poses una velocidad de 10m7 / la energia cinetica de una masa de 6kg que posee una velocidad de 15m/s como lo puedo desarrollar

How long does it take a 1.51 * 104 W steam engine to do 8.72 * 106 J of work? Round your answer to three significant figures.

According to the law of conservation of energy, if the ocean water cools, then something else should warm. What is it that warms?

If your body is dehydrated, the control center in the brain will stimulate the release of a hormone which causes the reabsorption of water into the blood during urine formation.