Is there an object that can lift a 45-N object

The law of conservation of energy states that A. energy cannot be converted from one from to another B. energy cannot be created or destroyed C. energy resources must be used efficiently D. energy is constantly being lost to friction

A spaceship accelerates from 0 m/s to 60 m/s north in 3 seconds. What is the acceleration of the spaceship? a. 20 m/s2 b. 60 m/s2 c. 180 m/s2 d. 1 m/s2

A runner accelerates to 4.2 m/s2 for 10 seconds before winning the race. How far did he/she run?

A spacecraft of the Trade Federation flies past the planet Coruscant at a speed of 0.610 c. A scientist on Coruscant measures the length of the moving spacecraft to be 71.0 m.

Which universal force acts only on the protons and neutrons in a nucleas

A switch in an electric circuit controls the flow of electrons in the circuit. True O False

What are three common forms of work in science

A boat travels north across a river at a velocity of 22 meters/second with respect to the water. The river's velocity is 2.2 meters/second to the east. What is the resultant velocity of the boat, as measured from the land?

The multiple reflection of a single sound wave is a/an a. reverberation. b. echo. c. diffraction. d. refraction.

Which of the following methods of improving air quality does not require advanced technology?