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?

Brutus, the dog, is pulling a bone to the left with a force of 20 n. lassie, another dog, is pulling a bone to the right with a force of 18n. what is the net force? a. b. c.

The mantle is made up of which structural zones?

Two horses begin at rest. after a few seconds, horse a is traveling with a velocity of 10 m/s west, while horse b is traveling with a velocity of 13 m/s west. which horse had a greater acceleration? a. horse a because its change in velocity was greater than horse b's in the same time. b. horse b because its change in velocity was greater than horse a's in the same time. c. horse b because its change in velocity was the same as horse a's, but it took less time. d. both horses had the same acceleration.