Physics, 25.10.2019 21:43, abolton04

Ahelicopter lifts a 84 kg astronaut 19 m vertically from the ocean by means of a cable. the acceleration of the astronaut is g/15. how much work is done on the astronaut by (a) the force from the helicopter and (b) the gravitational force on her

Answers: 3

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 21:30, krystalhurst97

Astudent looks at ocean waves coming into the beach. an ocean wave with more energy will a) have a greater height. b) have a greater period. c) travel toward the beach faster. d) strike the beach with greater frequency.

Answers: 1

continue

Physics, 21.06.2019 22:30, tladitidimatso1783

A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?

Answers: 1

continue

Physics, 22.06.2019 00:00, angelequej1167

Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.

Answers: 2

continue

Physics, 22.06.2019 00:30, klocke2001

Which of the following elements is in the same period as phosphorus? a. carbon c. nitrogen b. magnesium d. oxygen select the best answer from the choices provided a b c d

Answers: 1

continue

Do you know the correct answer?

Ahelicopter lifts a 84 kg astronaut 19 m vertically from the ocean by means of a cable. the accelera...