Physics, 15.02.2020 04:25, cicimarie2018
A particle moves so that its position (in meters) as a function of time (in seconds) is r = i ^ + 4t2 j ^ + tk ^. Write expressions for (a) its velocity and (b) its acceleration as functions of time.
Answers: 2
Physics, 22.06.2019 09:40, wi8wuwj283jendjdudjd
When you jump from an elevated position you usually bend your knees upon reaching the ground. by doing this, you make the time of the impact about 10 times as great as for a stiff-legged landing. in this way the average force your body experiences is a) less than 1/10 as great. b) more than 1/10 as great. c) about 1/10 as great. d) about 10 times as great.
Answers: 1
Physics, 22.06.2019 11:30, jessecabrown1
If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?
Answers: 1
Physics, 22.06.2019 16:20, ceasar6071
The energy equivalent of the rest mass of an electron is
Answers: 1
A particle moves so that its position (in meters) as a function of time (in seconds) is r = i ^ + 4t...
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