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a 2.3 kg object attached to an ideal spring is undergoing simple harmonic motion. its displacement is given by function
x(t) = (0.05mm)cos((23.5 rad/s) t + pi)
a) what is the displacement of the object at t=2.0s?
b) what is the spring constant?
c) what is the maximum accleration of the object?
What is the electrostatic force on each particle.
A circular wire loop of radius 0.50 m lies in a plane vertical to a uniform magnetic field of magnitude 0.40 T. If in 0.10 s the wire is reshaped from a circle to a square, but remains in the plane, what is magnitude of the average induced emf in t..
C harged particle(m=6 g,q=-10x10-6 q)moves in a region of uniform field along a helical path (radius = 2.0 cm, pitch = 7.0 cm) as shown. Identify the angle between the velocity of the particle and the magnetic field?
A ship sets out to sail to the point 158 km due north. An unexpected storm blows the ship to a point 134 km due east of its starting point. (a) How far (in km) and (b) in what direction (as an angle from due east, where north of east is a positive an..
A thick-walled hollow cylinder (inner radius=47 cm, outer radius=66 cm) rolls down a 7° incline. If it starts with a speed of 1.9-m/s, what is its speed after it has travelled 16 m? (m/s).
A spherical mirror is to be used to fom an image 5 times as tall as the object on a screen positioned 1 meter from the mirror. Find the type of mirror
a merry go round (a disk I=1/2MR^2, M=500 kg, R = 1.5m) roatates at 2m/s. What is the new rotation rate for the merry go round with the child
a heat engine operates between a hih temp reservoir at 610K and low temp reservoir at 320K. find the net change in entropy as a result of this cycle
A magnetic computer disk 8 cm in diameter is initially at rest. A small dot is painted on the edge of the disk. A small dot is painted on the edge of the disk. The disk accelerates at 600 rad/s^2 for 1/2 s , then coasts at a steady angular velocit..
Charge Q+ is located d units along y axis in positive direction north of O, What is magnitude of electric field at the origin O
System A consists of a mass attached to a spring with a force constant ; system B has a mass 2 attached to a spring with a force constant ; system C has a mass 3 attached to a spring with a force constant 6; and system D has a mass attached to a s..
Three equal point charges, each with charge 1.95 , are placed at the vertices of an equilateral triangle whose sides are of length 0.400 . What is an electric potential energy of the system? (Take as zero the potential energy of the three charges ..
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