If there is motion, then a force in acting true or false

Describe how an electromagnet is created? What makes it attract ferromagnetic materials?

Trey races his bicycle for 192m. A wheel of his bicycle turns 48 times as the bicycle travels this distance. What is the diameter of the wheel? Use the value 3.14 for π. Round your answer to the nearest tenth. Do not round any intermediate steps.

For work to be accomplished we must have an action which causes movement and an opposite reaction. an action which causes no movement or reaction. a force and a movement in the opposite direction of the force.

What is Earth's role in the hierarchy of organization within the universe

A gasoline engine with efficiency 25% delivers 1500 J of mechanical work per cycle. How much heat does this engine discard per cycle? (A) 6000 (B) 7500J (C) 4500J (D) 375 (E) 2000

Which statement correctly describes liquid water and water vapor

In order to change the color of light you must change a. Only the frequency of the light b. Only the wavelength of the light c. Either the frequency or the wavelength of the light d. Neither the frequency nor the wavelength of the light

Zigzag connected transformers are not permitted to be installed on the load side of any system grounding connections.

Mention five disadvantages of nonsustainable energy

Which particle rarely interacts with matter? a. proton b. photon c. positron d. neutrino