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Question
Give that a spring balance extends by 6.5cm when a load of of mass 6.5kg is hanged on it. Determine the spring constant.
In the overhead view of the figure, a 425 g ball with a speed v of 8.0 m/s strikes a wall at an angle of 30 A hat degree and then rebounds with the same speed and angle. It is in contact with the wall for 12.5ms. What is the impulse on the ball (t..
A lens is formed from a plastic material that has an index of refraction of 1.55. If the radius of curvature of one surface is 1.25 m, calculate the focal length and the power of the lens.
Show that the magnetic force acting on the part PQ is equal and opposite to that on the part RS.
A block (mass m1) lying on a frictionless inclined plane is connected to a mass m2 by a massless cord passing over a pulley.
A baseball outfielder throws a 0.150 kilogram baseball at a speed of 38.0 m/s and an initial angle of 27.0 degree. Find the kinetic energy of the baseball at the highest point of its trajectory
A four-turn rectangular coil has a spatially varying magnetic field directed through its center as shown. The magnetic field is given by [(B)\vec] = 4.2 y2 t [^(k)], Find the direction of the induced current in the coil
the frequency of oscillation of a certain lc circuit is 430 khz. at time t 0 plate a of the capacitor has maximum
The drawing to the left shows a mass m= 1.5 kg hanging from a spring with spring constant k = 10 N/m. What is the time required for the amplitude of the resulting oscillations to fall to one third of its initial value
find the magnitude and direction of the impulse delivered to the ball by the floor.
Light of wavelength 640nm falls on a slit that is 3.80 x 10-3 mm wide. How far the first bright diffraction fringe
A shot-putter puts the shot at a horizontal distance of 6 m. At the instant the athlete releases the shot, the height of the shot is 1.8 m as measured from the ground level, Determine the resultant initial velocity
Boxes A and B are in contact on a horizontal, frictionless surface, as shown. Box A has mass 175.0 kg and B has mass 8.0 kg. A horizontal force of 190 N is exerted on box A. What is force on box B?
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