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Physics, 23.06.2019 01:00
To practice problem-solving strategy 10.1 for energy conservation problems. a sled is being held at rest on a slope that makes an angle θ with the horizontal. after the sled is released, it slides a distance d1 down the slope and then covers the distance d2 along the horizontal terrain before stopping. find the coefficient of kinetic friction μk between the sled and the ground, assuming that it is constant throughout the trip.
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Physics, 23.06.2019 08:30
Hi , i am new here can anyone me out with this question why is space black after having so many shining objects like sun , moon , stars
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Physics, 23.06.2019 09:00
Every winter i fly home to chicago. it takes 3 hours. what is my average speed?
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Physics, 23.06.2019 14:00
Scientists and engineers design new technologies to solve problems. often, a new technological design will contain a flaw. which of the following is true about such a flaw? a. it should be studied so that the design can be fixed or a new design can be proposed. b. it means that the problem being investigated cannot be solved. c. it means that the people who proposed the design should not be scientists or engineers. d. it makes the technological design useless.
Answers: 1
1. If a model train car with a momentum of 12 kg•m/s collides with a 2 kg model train car that is no...
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