How much work is done on the astronaut by the force

Reference no: EM13495215

A helicopter lifts a 72 kg astronaut 15 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?

b. How much work is done on the astronaut by the gravitational force on her?

c. What is the kinetic energy of the astronaut just before she reaches the helicopter?

d. What is the speed of the astronaut just before she reaches the helicopter?

Reference no: EM13495215

Questions Cloud

What are some human resource challenges : What are some human resource challenges and how would a good human resources department meet these challenges?

Determine area is required for the solar panels : A satellite circling the earth has an average power consumption of 305.0 W. Assuming 5.6% efficiency for conversion of solar energy to electrical energy

Analyze how the solidarity movement in poland : Identify and analyze two causes of World War I. Use historical examples to support your answer.Of the various causes of World War I, which do you think was the most important and why?

Find the inertia tensor for a uniform : Find the inertia tensor for a uniform, thin hollow cone, such as an ice-cream cone, of mass M, height h, and base radius R, spinning about its pointed end

How much work is done on the astronaut by the force : A helicopter lifts a 72 kg astronaut 15 m vertically from the ocean by means of a cable. How much work is done on the astronaut by the force from the helicopter

What distance do they travel while decelerating : A luge (sled) and its rider, with a total mass of 85 kg, emerge from a downhill track onto a horizontal straight track with an initial speed of 37 m/s, What distance do they travel while decelerating

What is the direction of the asteroids acceleration : Three astronauts, propelled by jet packs, push and guide a 120.0 kg asteroid toward a processing dock, exerting forces of 32.0 N at an angle of 30.0 degrees above the positive x-direction, What is the direction of the asteroids acceleration

Why is the accumulated deficit larger in the current year : Why is the accumulated deficit larger in the current year than in the prior year?

Obtain the magnification of the telescope : Reflecting telescope is built with a 20-cm-diameter mirror having a 1.00m focal length. It is used with a eyepiece 10X, What is the magnification of the telescope

User Account

All Pages