Physics, 18.09.2021 21:00 KenziePaul
A car drives at a constant speed of 3 m/s around a circle with radius 20 m. What is the centripetal acceleration of the car? A. 9.2 m/s2 B. 0.45 m/s2 C.0.15 m/s2 D. 6.7 m/s2​
Answers: 1
Physics, 22.06.2019 12:20
Electric field of the earth. the earth has a net electric charge that causes a field at points near its surface equal to 150 n> c and directed in toward the center of the earth. (a) what magnitude and sign of charge would a 60-kg human have to acquire to overcome his or her weight by the force exerted by the earth’s electric field? (b) what would be the force of repulsion between two people each with the charge calculated in part (a) and separated by a distance of 100 m? is use of the earth’s electric field a feasible means of flight? why or why not?
Answers: 2
Physics, 22.06.2019 12:30
What would be the strength of earth's gravitational field at a point where an 80.0 kg astronaut would experience a 80% reduction in weight
Answers: 3
Physics, 22.06.2019 14:00
Agraduated cylinder contains 63.0 ml of water. a piece of gold, which has a density of 19.3 g/ cm3, is added to the water and the volume goes up to 64.5 ml. calculate the mass in grams of the gold that was added to the water. explain how you got your answer.
Answers: 3
Physics, 22.06.2019 17:00
How much energy is supplied to each coulomb of charge that flows through a 12-v battery?
Answers: 1
A car drives at a constant speed of 3 m/s around a circle with radius 20 m. What is the centripetal...
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