Which is generated by movements of tectonic plates?
a. seismic waves
b. ocean currents<...
Physics, 22.08.2019 20:30 Marqiuse412
Which is generated by movements of tectonic plates?
a. seismic waves
b. ocean currents
c. volcanoes
d. earth's magnetic field
Answers: 1
Physics, 21.06.2019 19:40
You carry a 7.0-kg bag of groceries 1.2 m above the ground at constant speed across a 2.7m room. how much work do you do on the bag in the process? (a) 157j (b) 0.00j (c) 185j (d) 82j
Answers: 2
Physics, 22.06.2019 06:00
Aball is thrown upward. at a height of 10 meters above the ground, the ball has a potential energy of 50 joules (with the potential energy equal to zero at ground level) and is moving upward with a kinetic energy of 50 joules. what is the maximum height h reached by the ball? consider air friction to be negligible. 1. h β 10 m 2. h β 50 m 3. h β 30 m 4. h β 40 m 5. h β 20 m 003 10.0 points which of the two object shown below has the greatest kinetic energy? a m b 1 2 m v 2v 1. kinetic energies are the same. 2. a 3. b 4. unable to determine. 004 10.0 points tim, with mass 74.6 kg, climbs a gymnasium rope a distance of 3.1 m. the acceleration of gravity is 9.8 m/s 2 . how much potential energy does tim gain? answer in units of j. 005 10.0 points a car is moving at 64 miles per hour. the kinetic energy of that car is 5 Γ 105 j. how much energy does the same car have when it moves at 111 miles per hour? answer in units of j. 006 10.0 points an 102 kg man climbs up a 1 m high flight of stairs. the acceleration of gravity is 9.81 m/s 2 . w
Answers: 3
Physics, 22.06.2019 18:30
Calculate the velocity of a car traveling in a straight path due east with a distance of 16 meters in 2 seconds. question 1 options: a)32 m/s b)32 m/s e c) 8 m/s e d) 8 m/s
Answers: 2
Physics, 23.06.2019 00:20
Abeam of electrons moves at right angles to a magnetic field of 4.5 Γ 10-2 tesla. if the electrons have a velocity of 6.5 Γ 106 meters/second, what is the force acting on the electrons? the value of q = -1.6 Γ 10-19 coulombs.
Answers: 2
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