Which two actions are examples of people doing work in the scientific sense?
A. kicking a ball so that it rolls across the gym floor
B. lifting a heavy book from the floor to a desktop
C. leaning on a wall while taking a break
D. holding a glass of water still so that it doesn't tip
E. pushing on a weight that is too heavy to move
Answers: 2
Physics, 22.06.2019 02:00
Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd question 6 options: 3000 joules 30 joules 320 joules 3200 joules
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Physics, 22.06.2019 05:40
Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen
Answers: 1
Physics, 22.06.2019 12:20
Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)
Answers: 1
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
Which two actions are examples of people doing work in the scientific sense?
A. kicking a ball so t...
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