Dos personas jalan al este un baúl para moverlo de lugar, si el peso del baúl es de 11500 N y cada persona aplica una fuerza de 175 y 240 N respectivamente ¿con qué aceleración jalan el baúl? a) 0.3536 m/s2
b) 0.0374 m/s2
c) 486998.35 m/s2
d) 26.372 m/s2

Acave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. the lift is performed in three stages, each requiring a vertical distance of 11.0 m: (a) the initially stationary spelunker is accelerated to a speed of 4.80 m/s; (b) he is then lifted at the constant speed of 4.80 m/s; (c) finally he is decelerated to zero speed. how much work is done on the 78.0 kg rescue by the force lifting him during each stage

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created or , but it can be

Yvette hangs a 2.4kg bird feeder in the middle of a rope tied between two trees. the feeder creates a tension of 480 n in each side of the the rope.