Physics, 29.10.2019 21:31 samantha9430
Six dogs pull a two-person sled with a total mass of 220 kg. the coefficient of kinetic friction between the sled and the snow is 0.08. the sled accelerates from rest at 0.75 m/s2 until it reaches a speed of 12 km/h. a) what is the work done by the dogs in the accelerating phase? b) what is the maximum power output by the dogs? c) what is the pulling force from the dogs (assumed to be horizontal)?
Answers: 2
Physics, 22.06.2019 01:20, oliviaicono14
Un jugador de beisbol batea un foul recto en el aire. la pelota deja el bate con una rapidez de 120 km/h. en ausencia de resistencia del aire. ? cual sera la rapidez de la pelota cuando la atrape el catcher
Answers: 1
Physics, 22.06.2019 10:00, autumnskye1
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
Answers: 3
Six dogs pull a two-person sled with a total mass of 220 kg. the coefficient of kinetic friction bet...
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