Friday
August 22, 2014

Homework Help: physics

Posted by Anonymous on Thursday, October 1, 2009 at 2:30am.

A helicopter lifts a 70 kg astronaut 13 m vertically from the ocean by means of a cable. The acceleration of the astronaut is g/10.

(a) How much work is done on the astronaut by the force from the helicopter? J

(b) How much work is done on the astronaut by her weight? J

(c)What is the kinetic energy? J

(d) What is the speed of the astronaut just before she reaches the helicopter? m/s

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

AP physics c - A helicopter lifts a 63 kg astronaut 10 m vertically from the ...
Physics - A rescue helicopter lifts a 65 kg person straight up by means of a ...
Physics - A rescue helicopter lifts a 65 kg person straight up by means of a ...
Physics - A rescue helicopter lifts a 65 kg person straight up by means of a ...
physics - A rescue helicopter lifts a 85.8-kg person straight up by means of a ...
physics - A rescue helicopter lifts a 85.2-kg person straight up by means of a ...
physics - The concepts in this problem are similar to those in Multiple-Concept ...
Physics - The concepts in this problem are similar to those in Multiple-Concept ...
Physics - Suppose a space capsule with an astronaut inside is launched from the ...
Physics - Astronauts use a centrifuge to simulate the acceleration of a rocket ...

Search
Members