Physics, 21.01.2020 01:31 espiritu7470
The minute hand on a clock is 9 cm long and travels through an arc of 252 degrees every 42 minutes. to the nearest tenth of a centimeter, how far does the minute hand travel during a 42 minute period
Answers: 2
Physics, 20.06.2019 18:04
Space vehicles traveling through earth's radiation belts can intercept a significant number of electrons. the resulting charge buildup can damage electronic components and disrupt operations. suppose a spherical metallic satellite 1.3 m in diameter accumulates 3.0 ยตc of charge in one orbital revolution. (a) find the resulting surface charge density. (b) calculate the magnitude of the electric field just outside the surface of the satellite, due to the surface charge.
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Physics, 21.06.2019 18:00
This question is worth 54 points ! rock falls from a ledge to the ground what energy conversion occurs during this process a potential to kinetic b kinetic to potential c thermal to mechanical d chemical to mechanical
Answers: 2
Physics, 22.06.2019 10:00
Asap and show ! a 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.
Answers: 2
Physics, 22.06.2019 10:30
Aparticle moves in the xy plane with constant acceleration. at time zero, the particle is at x = 6 m, y = 8.5 m, and has velocity ~vo = (9 m/s) หฤฑ + (โ2.5 m/s) ห๏พ . the acceleration is given by ~a = (4.5 m/s 2 ) หฤฑ + (3 m/s 2 ) ห๏พ . what is the x component of velocity after 3.5 s? answer in units of m/s.
Answers: 1
The minute hand on a clock is 9 cm long and travels through an arc of 252 degrees every 42 minutes....
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