POR FAVOR AYUDA ESTOY EN UN QUIZ
Un niño empuja a su hermana pequeña en un trineo. El trineo acelera de 0 a 3,2 m / s. Si la masa combinada de su hermana y el trineo es de 40.0 kg y se generaron 18 W de potencia, ¿cuánto tiempo empujó el niño el trineo?

Aperson standing in a canoe exerts a force of 700 n to throw an anchor over the side. find the acceleration of the canoe if the total mass of the canoe and the person is 100 kg?

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.

Which is not an example of how an object gains elastic potential energy by stretching? a. jumping on a pogo stick b. pulling on a rubber band c. jumping on a trampoline