Which statements about braking a car are true? a)the greater the kinetic energy of a car, the longer it takes for the car to stop. b) the lower the kinetic energy of a car, the longer it takes for the car to stop. c)if the speed of a car doubles, the car’s kinetic energy and braking distance quadruple. d)if the speed of a car doubles, the car’s kinetic energy and braking distance remain the same.
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Physics, 21.06.2019 19:30
11. you want to calculate the displacement of an object thrown over a bridge. using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?
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Physics, 22.06.2019 02:30
Acup of coffee sits on the dashboard of an automobile. the car goes around a sharp curve. even though you hold the cup still, coffee still splashes out. this can best be explained due to a) density. b) friction. c) gravity. d) inertia.
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Physics, 22.06.2019 03:30
What is the momentum of a 2 kg object moving at 15 meters per second
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Physics, 22.06.2019 14:10
Match these items. 1. coulombs __force 2. ohms __emf 3. centimeters __resistance 4. newtons __charge 5. volts __length
Answers: 1
Which statements about braking a car are true? a)the greater the kinetic energy of a car, the longe...
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