Para que sirve la entrada en calor

A stuffed dog is tied to the end of a rope with a radius of 1 meter and swung in a horizontal circle with an angular velocity of 10 m/s.

Classify each process as weathering or erosion.

A draft is made of a plastic block with a density of 650kg/m^3, and its dimensions are 2.0mx3.0mx5.0m, what is the raft's apparent weight in water? (hint:density of water=1.00x10^3kg/m^3

A real spring does not oscillate forever. Instead, it eventually comes to a stop. Does this violate the law of conservation of energy? Explain why or why not.

Not every lightning strike produces thunder. a. Trueb. False

If a pulse wave traveled for 125 meters and took 8 seconds, what is the speed or velocity of the pulse wave?

Give me an atom with the following characteristics.

Heat is transferred at a rate of 2 kW from a hot reservoir at 800 K to a cold reservoir at 300 K. Calculate the rate at which the entropy of the two reservoirs changes and determine if the second law is satisfied

A waiter is carrying a tray above his head and walking at a constant velocity. If he applies a force of 5.0 newtons on the tray and covers a distance of 10.0 meters, how much is the work being done?

A tennis player hits a ball 2.0m above the ground. The ball leaves his racquet with a speed of 20m/s at an angle of 5.0 degrees above the horizontal. The horizontal distance to the net is 7.0m and the net is 1.0m high.