Physics, 04.04.2020 05:15 donttrip18
My Notes You push a box of mass 24 kg with your car up to an icy hill slope of irregular shape to a height 5.7 m. The box has a speed 12.1 m/s when it starts up the hill, the same time that you brake. It then rises up to the top (with no friction) with a horizontal velocity before immediately falling off a sheer cliff to the ground (with no drag). (a) What is the speed of the box at the top of the hill?
Answers: 3
Physics, 22.06.2019 15:00
What happens when a rubber rod is rubbed with a piece of fur?
Answers: 1
Physics, 22.06.2019 16:20
Amagnetic field applies forces on: a)static chargesb)moving chargesc)water flow
Answers: 1
Physics, 22.06.2019 23:30
1. explain how you calculate the net force in any direction on the box. 2. suppose an upward force of 15n is added to the box. what will be the net vertical force on the box? 3. what force could be applied to the box to make the net force in the horizontal direction zero? explain. 4. suppose a force of 25n to the right is added to the box. what will be the net force to the right?
Answers: 3
Physics, 23.06.2019 00:00
You are driving to the grocery store at 20 m/s. you are 110m from an intersection when the traffic light turns red. assume that your reaction time is 0.50s and that your car brakes with constant acceleration. how far are you from the intersection when you begin to apply the brakes? what acceleration will bring you to rest right at the intersection? how long does it take you to stop after the light changes? the known values: vi=20m/s xi=110m t=.50s vf=0m/s xf=0m a=?
Answers: 3
My Notes You push a box of mass 24 kg with your car up to an icy hill slope of irregular shape to a...
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