A 21.7kg child descends a slide 3.5 m high and reaches the bottom with a speed of 2.2m/s. How much thermal energy due to friction was generated in this process?

What is te leading cause of type 2 diabetes

Is it true the atoms in sulphur liquid are the same as the atoms in solid sulphur?

A certain car is capable of accelerating at a rate of 10.60 m/s 2. how long does it take for this car to go from a speed of 55 mi/h to a speed of 60 mi/h

What is true about the frequency and wavelength of this sound? A:The wavelength of the sound is 0.800 m. B: The wavelength of the sound is 2.72 m. C:The frequency of the sound is 125 Hz. D:The frequency of the sound is 425 Hz.

An automobile engine develops a torque of 280 NxM at 3800 rpm. What is the power in watts and horsepower?

A dart is inserted into a spring-loaded dart gun by pushing the spring in by a distance. For the next loading, the spring is compressed a distance. How much faster does the second dart leave the gun compared with the first

The spinning of earth on its axis causes the apparent rising and setting of the

20 m/s can be an answer for velocity true or false

Two copper wires with different diameters are joined end to end. If a current flows in the wire combination, what happens to electrons when they move from the larger-diameter wire into the smaller-diameter wire?

A baseball player is warming up and tosses a ball straight up into the air. The ball travels up until it reaches some maximum height, and then falls back down to the player/'s hand.