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A rocket car with mass 1300 kg is launched by going down a 30 degree ramp with a vertical height of 15 m, and then going up another 30 degree ramp with vertical height 2.0 m. The car starts from rest, and during the time it is on the ramps (both the downward and the upward ramp), the rocket engines are supplying a constant thrust force of 1900 N to the car. Neglect friction between the car and the surface of the ramp.
(a) How fast is the rocket car going at the top of the ramp, just before it is launched into the air?
(b) How fast is the rocket car going when it hits the ground?
A liquid and a gas are moved to larger containers. How does their behavior differ once they are in the larger containers? Explain the difference in molecular terms. Although liquid water and carbon tetrachloride, CCl4(l), do not mix, their vapors f..
the u.s. environmental protection agency set a maximum contaminant level mcl for tetrachloroethylene tce c2cl4 in
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1. Class in my opinion determining the right time to upgrade or replace a legacy system is one of the most difficult decisions an organization has to make in the IT environment. However, in today's IT environment, how can companies overcome challenge..
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