Physics, 14.11.2019 02:31 saucyyyyniahhhhh
Atoy car is given a quick push so that it moves up an inclined ramp. after it is released, it moves up, reaches its highest point and moves back down again. friction is so small it can be ignored. what net force acts on the car? 1. net decreasing force down the ramp 2. net increasing force up the ramp 3. net force of zero 4. net increasing force down the ramp 5. net decreasing force up the ramp 6. net constant force down the ramp 7. net constant force up the ramp
Answers: 2
Physics, 22.06.2019 14:30
The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.
Answers: 1
Physics, 22.06.2019 19:30
Which of these has some mechanical energy? a. an atom b. heat inside earth c. a book on a shelf d. the fire from a lit match
Answers: 1
Physics, 23.06.2019 01:30
Six pendulums of mass mand length las shown are released from rest at the same angle theta from vertical. rank the pendulums according to the numberof complete cycles of motion each pendulum goes through perminute. a. l= 1m m=2kg b. l= 4m m=1 kg c. l= 2 m m= 2 kg d. l= 1 m m= 4 kg e. l= 2 m m = 4 kg f. l= 4m m = 4kg
Answers: 3
Atoy car is given a quick push so that it moves up an inclined ramp. after it is released, it moves...
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