It takes 21 s to raise a 1200-kg car and the supporting 300-kg hydraulic car-lift platform to a height of 2.8 m. Determine the average output power delivered by the hydraulic pump to lift the system. (You must provide an answer before moving on to the next part.) The average output power delivered by the hydraulic pump to lift the system is kW.
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Given the position vector of the particle r(t)=(t+1)i+(t^2−1)j+2t k, find the particle's velocity and acceleration vectors at t=1
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Choose each of the settings that follow and list them below do it ill mark brainliest first object= position= speed= acceleration= second object= position= speed= acceleration=
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Physics, 22.06.2019 11:00
1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?
Answers: 1
It takes 21 s to raise a 1200-kg car and the supporting 300-kg hydraulic car-lift platform to a heig...
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