Why does heat energy always move from a higher temperature to a lower temperature?

What is the unit used for work?

How many General methods of energy transfers are there give two examples of each

What is the current in a 10v circuit if the resistance is 20Ohm?

Give reasons for the following: a. Knives and swords are supposed to have extremely thin blades. b. Lorries and trucks carrying heavy loads have 8 tires instead of four, and the tires are broader. c.

Type of energy transforms into chemical energy by plants

A slow jogger runs a mile in 16 minutes. Calculate the speed in

Protecting his nest, a 600-g peregrine falcon rams a marauding 1.5-kg raven in midair. the falcon is moving at 20.0 m/s, and the raven at 9.00 m/s at the moment of impact.

A carousel has a radius of 1.70 m and a moment of inertia of 110 kg · m2. A girl of mass 44.0 kg is standing at the edge of the carousel, which is rotating with an angular speed of 3.40 rad/s.

A 2kg marble is moving at 3 m/s when it strikes another 4kg marble moving in the opposite direction at - 3 m/s. What will be the velocity of the 4kg marble after the collision of the 2kg marble's new velocity is - 4 m/s.

How long did it take to reload a rifle during the 18th 19 century?