Physics, 24.09.2020 15:01 amselah3571
Ana's car has a dead battery. She and 4 of her friends push the car closer to get help. The mass of the car with Ana inside is 1100 kg. Ana steers straight ahead while each of her four friends applies a 120 N force to the back of her car. If the car accelerates at 0.3 m/s2, what is the resistive force of friction that the friends are pushing against?
Answers: 2
Physics, 21.06.2019 16:20
Two particles of masses m and 2m are placed on a smooth horizontal table. a string, which joins these two masses, hangs over the edge supporting a pulley, which suspends a particle of mass 3m.the pulley has negligible mass. the two parts of the string on the table are parallel and perpendicular to the edge of the table. the hanging parts of the string are vertical. find the acceleration of the particle of mass 3m.
Answers: 1
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.
Answers: 2
Physics, 22.06.2019 07:00
The cerebellum controls? thirst sensations sleep-wake cycles hand-eye coordination heart rate and pulse
Answers: 1
Ana's car has a dead battery. She and 4 of her friends push the car closer to get help. The mass of...
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