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Q1. A 0.48 kg object is attached to a spring with a spring constant 178 N/m so that the object is authorized to move on a horizontal frictionless surface. The object is released from rest when the spring is compressed 0.15 m. Find out the force on the object.
Respond in units of N
Q2. A slab of insulating material has a non-uniform positive charge density = Cx2, where x is measured from the center of the slab and C is a constant. The slab is infinite in the y and z directions. Obtain expressions for the electric field in (a) the exterior regions (|x|? > d/2) and (b) the interior region of the slab (|x| < d/2)
In a different car, the distance the dummy moves while being stopped is reduced from 0.750 m to 0.270 m, calculate the average force on the dummy as that car stops
A planet orbits a star, in a year of length 4.58 x 107 s, in a nearly circular orbit of radius 2.85 x 1011 m. With respect to the star, determine the angular speed of the planet
Consider an object on an incline where friction is present. The angle between the incline and the horizontal is ? and the coefficient of kinetic friction is ?k. Find an expression for the acceleration of this object
A particle has an acceleration of 6.19 m/s^2 for 0.350 s . At the end of this time the particle's velocity is 9.26 m/s What was the particle's initial velocity?
The plates of a parallel-plate capacitor have a separation of 2.28mm , and each has an area of 15.4cm2. find the magnitude of the electric field between the plates
question1a golf ball with an initial angle of 30deg lands exactly 214 m down range on a level course.a neglect air
A parallel-plate capacitor is made from two plates 12.5 cm on each side and 4.20 mm apart. obtain how much energy will be stored in the capacitor
A thin, square, conducting plate 45.0-cm on a side lies in the xy plane. A total charge of 0.0680 is placed on the plate. determine the charge density on the plate
A copper wire with a cross sectional area of 3.00 mm^2 and a length of 2.00 m at 20.0 degrees C is connected to a 25.0 V battery, what is the resistance at 20.0 degrees C
A student from Sidney, Australia compares the distance he obtained from the 1-st spark mark to the 20-th spark mark, What difference in the results was found
A parallel plate capacitor is connected to a battery. The space between the plates is filled with air. Find the electric field inside the dielectric
The index of refraction of benzene is 1.8. What is the critical angle for a light ray traveling in benzene toward a flat layer of air above the benzene
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