Physics, 21.04.2021 21:50 blackchina71
Help pl Explain how a change in mass, velocity or height changes the kinetic energy of a vehicle and how this will effect the stopping distance. What is the breaking distance of a car travelling at 50mph and 70mph and explain how arrived at that value.
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Physics, 21.06.2019 23:00
The roller coaster from problem #1 then tops a second hill at 15.0 m/s, how high is the second hill? 91.5 m 79.2 m 80.0 m 68.5 m
Answers: 1
Physics, 22.06.2019 07:20
What is the magnitude of the acceleration vector which causes a particle to move from velocity −5i−2j m/s to −6i+ 7j m/s in 8 seconds. answer in m/s.
Answers: 3
Physics, 23.06.2019 07:20
An object that weighs 75n is pulled on a horizontal surface by a horizontal pull of 50 n to the right. the friction force on this object is 30 n to the left. what is the acceleration of the object?
Answers: 1
Physics, 23.06.2019 07:30
Suppose that the half-life of an element is 1000 years. how many half-lives will it take before one-eighth of the original sample remains? 8 125 12.5 3
Answers: 2
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Explain how a change in mass, velocity or height changes the kinetic energy of a vehicle a...
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