Is eating a sandwich 100% efficient

How could I explain how Bernoulli's principle works in an essay?

Describe what happens to radiant energy once it enters the atmosphere? How does Radiant energy cause weather?

M = 10 Kg r = 0,5 m v=2m/s

A pendulum has a period of 1.80 s on Earth. What is its period on Mars, where the acceleration of gravity is about 0.37 that on Earth?

A person is attracted toward the centerof the earth by a 500 n gravitational force. the force with which the earth is attracted toward the person is

A large balloon is initially filled to a volume of 1.96 l at 318.44 k and a pressure of 2.89 atm. what volume of gas will the balloon contain at 1.77 atm and 336.33 k?

How to calculate kinetic energy? (physics/physical science)

What's the difference between the offspring of an asexual organism and a sexual organism

The contamination that results from the spread of bacteria from meat to vegetables is called

A rock has a mass of 5 kg on the moon. What is the mass of the rock on the earth