Physics, 03.11.2020 21:20 sosasubzero
Breanna connected a wire coil to a lightbulb to demonstrate that a moving
magnet can cause a current to flow in a wire. Then she moved a bar magnet
first toward and then away from the wire coil. However, she could not make
the lightbulb light up. Which factor could explain this outcome?
Answers: 1
Physics, 21.06.2019 16:30
A12-kg bag of groceries is tossed onto a table at 4.0 m/s and slides to a stop in 2.2 s . modify the equation fδt=δ (mv) to find the force of friction.
Answers: 2
Physics, 22.06.2019 00:20
Aparticle of mass m is projected with an initial velocity v0 in a direction making an angle α with the horizontal level ground as shown in the figure. the motion of the particle occurs under a uniform gravitational field g pointing downward. (a) write down the lagrangian of the system by using the cartesian coordinates (x, y). (b) is there any cyclic coordinate(s). if so, interpret it (them) physically. (c) find the euler-lagrange equations. find at least one constant of motion. (d) solve the differential equation in part (c) and obtain x and y coordinates of the projectile as a function of time. (e) construct the hamiltonian of the system, h, and write down the hamilton’s equations (canonical equations) of motion.
Answers: 2
Physics, 22.06.2019 06:00
A1,700kg car is being used to give a 1,400kg car a push start by exerting a force of 140n the impulse on the smaller car during the 30.0s of contact is +670kg*m/s. what is the impulse of the smaller car on the larger car? -814 kg*m/s 0kg *m/s -670kg*m/s -550kg*m/s
Answers: 1
Physics, 22.06.2019 15:30
What are the north and south poles of a solenoid change with?
Answers: 1
Breanna connected a wire coil to a lightbulb to demonstrate that a moving
magnet can cause a curren...
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Social Studies, 17.07.2019 11:30
Social Studies, 17.07.2019 11:30
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