Physics, 01.12.2021 16:40, janyiareese12
How many times more energy does a magnitude 8 earthquake than a magnitude 5.
Answers: 2
Physics, 22.06.2019 02:00, LadyHolmes67
The motor m applies a time-varying force of f (200 t) n, where t is in seconds. box b with mass 200 kg starts from rest, and the coefficients of kinetic and static friction are 0.2 and us 0.3 the acceleration due to gravity is g 9.8 m/s2 b 300 a) find the time ' when the box starts to move. b) calculate the speed of the crate at 3 s c) calculate the power delivered by the motor at t 3 s
Answers: 3
Physics, 23.06.2019 05:40, brooklyn674
What is the change in internal energy if 20 j of heat is released from a system and the system does 50 j of work on the surroundings? a. -70 j b. 30 j c. -30 j d. 70 j
Answers: 2
Physics, 23.06.2019 13:00, yashajanjan8550
An 800 kg car is moving at 32 m/s when it hits the afterburner. the after burner applies a 180,000 n force for 25 seconds. what is the rockets final speed?
Answers: 1
How many times more energy does a magnitude 8 earthquake than a magnitude 5....
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