A block of mass 1.5 kg slides down an inclined plane has no friction and the black starts at height of 3 m, how much kinetic energy does the black have when it reaches the bottom

21) An aspirin has a mass of 325 mg. If the mass of the aspirin could be converted to energy with 100% efficiency, how many joules of energy would be produced?

A star that is moving away from an observer has its visible light shifted toward which end of the spectrum? A. blue B. red C. yellow D. white

What's the best conductor for electricity

Why electric field inside the conductor zerqual to zero

an instrument used a battery that provides 500 j of energy for 1200 seconds. what is the power of the instrument?

Green light has a lower frequency than blue light. Which color of light has a longer wavelength?

Our 12 V car battery does not appear to be functioning correctly, so we measure the voltage with a volt meter and find that the voltage on the battery is only 9V.

A strong lightning bolt transfers about 27.88 C to Earth. How many electrons are transferred? The elemental charge is 1.602 * 10-19 C. The lightning bolt discharge lasts one millisecond.

What is the speed of a bobsled whose distance-time graph indicates that it traveled 121m in 26s? m/s

Which formula describes newton's second law of motion?