Ashley has a mass of 60 kg and is going 5.2 m/ s on her roller skates. How fast does Mitchell (with a mass of 55kg) have to be going to equal her momentum

An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d

What is the primary force that suspension bridges use cables to hold their spans up? a. tension force b. resistance force c. normal force d. elastic force e. applied force

How many times did thomas edison mess up the light bulb