subject
Physics, 15.12.2019 20:31 ians31430

Agirl performs 300 j of work lifting a weight to a height of 2 m. how much
force does she apply? assume there is no friction.
o
a. 150 n
o b. 600 n
o c. 450 n
o d, 300 n

ansver
Answers: 1

Another question on Physics

question
Physics, 21.06.2019 22:40
Ablock of mass m = 2.5 kg is attached to a spring with spring constant k = 710 n/m. it is initially at rest on an inclined plane that is at an angle of θ = 23° with respect to the horizontal, and the coefficient of kinetic friction between the block and the plane is μk = 0.19. in the initial position, where the spring is compressed by a distance of d = 0.16 m, the mass is at its lowest position and the spring is compressed the maximum amount. take the initial gravitational energy of the block as zero. a) what is the block's initial mechanical energy? b) if the spring pushes the block up the incline, what distance, l, in meters will the block travel before coming to rest? the spring remains attached to both the block and the fixed wall throughout its motion.
Answers: 3
question
Physics, 22.06.2019 12:40
Question part points submissions used suppose that 2 j of work is needed to stretch a spring from its natural length of 26 cm to a length of 36 cm. (a) how much work is needed to stretch the spring from 28 cm to 32 cm? (round your answer to two decimal places.)
Answers: 2
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
question
Physics, 22.06.2019 17:30
Me with this and you will be marked brainliest
Answers: 2
You know the right answer?
Agirl performs 300 j of work lifting a weight to a height of 2 m. how much
force does she appl...
Questions
question
Physics, 14.02.2020 02:48
question
Mathematics, 14.02.2020 02:48
question
Chemistry, 14.02.2020 02:49