Heat engines converts what type of energy into mechanical energy?

1. chemical

2. thermal

3. nuclear

4. elastic

With an average acceleration of â1.2 m/s², how long will it take a cyclist to bring a bicycle with an initial speed of 6.5 m/s to a complete stop?

How does the buoyant force affect a submerged object

A hollow, thin-walled sphere of mass 14.0 kg and diameter 49.0 cm is rotating about an axle through its center.

What is the name of the change in state by which some more energetic molecules in a liquid leave the surface, leaving the rest of the liquid slightly cooler.

The temperature in degrees celsius can be converted to degrees celsius

Noah Formula is in an airplane which is flying at constant speed in a circular course of radius 6500 m, circling O'Hare's airplane prior to landing. Noah observed that the plane completes each round trip in 345 seconds (5 minutes & 45 seconds).

Two pieces of metal with exactly the same mass are placed on a surface in bright sunlight. The temperature of the 1st block increases by 3°C while the temperature of the 2nd increases by 8°C. If the specific heat of the 2nd block is 0.

The correctly balanced equation for H202 - H2O + O, is A) H202 - 2H2O + O2 B) H302 - H20+20, C) 2H, 02 - - 4H20 + 0, D) 2H, 02 - 2H30 + 0,

What happens to the wavelength of a wave if you increase the frequency?

In a transverse wave, the particle motion is what to wave motion? A. perpendicular B. parallel