subject
Physics, 15.04.2020 16:59 Anshuman2002

A helicopter lifts a 86 kg astronaut 20 m vertically from the ocean by means of a cable. The acceleration of the astronaut is g/11. How much work is done on the astronaut by

(a) the force from the helicopter and
(b) the gravitational force on her? Just before she reaches the helicopter, what are her
(c) kinetic energy and
(d) speed?

ansver
Answers: 1

Another question on Physics

question
Physics, 22.06.2019 03:00
Which law represents the thermodynamic statement of the conservation of energy of a system? a. the fourth law b. the first law c. the second law d. the third law
Answers: 2
question
Physics, 22.06.2019 05:10
Which situation will have the highest resistance? a.long wire and high temperatureb.short wire and high temperaturec.long wire and cold temperaturedshort wire and low temperature
Answers: 2
question
Physics, 22.06.2019 10:10
How will the system respond to a temperature increase?
Answers: 1
question
Physics, 22.06.2019 13:00
The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot
Answers: 1
You know the right answer?
A helicopter lifts a 86 kg astronaut 20 m vertically from the ocean by means of a cable. The acceler...
Questions
question
History, 26.02.2020 04:22
question
Mathematics, 26.02.2020 04:22