Physics, 23.08.2019 18:30 rakanmadi87
A0.160 kg ball attached to a light cord is swung in a vertical circle of radius 70.0 cm. at the top of the swing, the speed of the ball is 3.26 m/s. the centre of the circle is 1.50 m above the floor.
calculate the speed of the ball when the cord is 30.0̊ below the horizontal.
Answers: 1
Physics, 22.06.2019 08:40, kayleewoodard
Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?
Answers: 1
Physics, 22.06.2019 20:30, justaguy15
Atypical jetliner lands at a speed of 146 mi/h and decelerates at the rate of (10.4 mi/h)/s. if the jetliner travels at a constant speed of 146 mi/h for 1.5 s after landing before applying the brakes, what is the total displacement of the jetliner between touchdown on the runway and coming to rest?
Answers: 2
A0.160 kg ball attached to a light cord is swung in a vertical circle of radius 70.0 cm. at the top...
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