Physics, 03.07.2019 16:30 arthurdolz
A20 kg sled carrying a 40 kg boy is sliding at 12 m/s on smooth, level ice, when it encounters a rough patch of snow. a) what is the initial kinetic energy of the boy and the sled? b) if the rough ice exerts an average opposing force of 540 n, in what distance does the sled stop? c) what work is done by the rough ice stopping the sled? ( show work! )
Answers: 1
Physics, 22.06.2019 03:00, babysune01
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
Physics, 22.06.2019 22:30, quan1541
Use the drop-down menus to answer each question. which line represents the movement of a cart with a constant acceleration? a which line represents the movement of a cart with a constant velocity? c which lines represents a cart with no velocity or acceleration? b
Answers: 1
Physics, 23.06.2019 14:30, kraigstlistt
Give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs.
Answers: 1
A20 kg sled carrying a 40 kg boy is sliding at 12 m/s on smooth, level ice, when it encounters a rou...
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