A piano of mass 852 kg is lifted to a height of 3.5 m. How much gravitational potential energy is added to the piano? Acceleration due to gravity is g = 9.8 m/s2.

In a transverse wave, if you increase of the wave you will get what kind of wavelength

Jamie throws a ball with a force of 50N a distance of 25m. Trish throws the ball with the same amount of force, but the ball only goes 15m. Which girl does less work

Arrange the steps to describe what happens to a liquid when its heated. A. the particles of liquid move faster B. the liquid changes to a gas C. liquid gains thermal energy D. the space between the liquid particles increases

How does the ringing sound of a telephone travels from the phone to your ears?

What is temperature? explain.

Why does icing sugar dissolve more rapidly than granular sugar?

At t = 0 the components of a radio-controlled car's velocity are vx = 0.5 m/s and vy = 1.2 m/s. Find the components of the car's velocity at t = 4.

2) A window washer pulls themselves upward using a bucket pulley apparatus. A) How hard must pull downward to raise herself slowly at a constant speed? B) If she increases this force by 15%, what will her acceleration be?

A star with an original mass of 8 to 25 solar masses will ultimately become a? a) red giant b) white dwarf c) neutron star d) main sequence star

Racewalking involves more impact than running. true false