To maintain your body temperature your body converts chemical potential energy into thermal energy true or false

A child is holding a cup of hot tea. His mother, a physicist, warns him not to start running with the tea. According to Newton's first law, why should his mother be concerned if the child started running?

In which of the following scenarios is chemical energy being transformed into thermal energy? a A lion's temperature increases as it uses the energy it gets from its prey b A fish is able to swim using the energy it gets from eating plants c A

A girl throws a ball of mass 0.80 kg against a wall. The ball strikes the wall horizontally with a speed of 25 m/s, and it bounces back with this same speed. The ball is in contact with the wall 0.050 s.

An electric motor converts electric energy into what type of energy? potential thermal magnetic mechanical

A rake is held so that its input arm is 0.4 meters and its output arm is 1.0 meters. What is the mechanical advantage of the rake?

How can the same material bend in one situation but break in another

According to Newton's first law of motion, what would happen to a car traveling at a constant velocity of 55 MPH to the west in the absence of an unbalanced force?

The Appalachian mountain range in the Eastern United States was once much taller than the Rocky mountain range in the Western United States.

Describe how lighting is just like you walking across a carpet and getting shocked

You need to raise a heavy block by pulling it with a massless rope. You can either (a) pull the block straight up height h, or (b) pull it up a long, frictionless plane inclined at a 15∘ angle until its height has increased by h.