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Two 5 g metal balls hang suspended, with the balls just touching when they hang from a common support. Each ball's center is initially 1 m below the support. The balls are then each given an identical amount of charge q, and each string makes an angle of 30 deg with the vertical as shown in Figure below. Find the magnitude of the charge q.
The position of a particle in cm is given by x = (5) cos 5?t, where t is in seconds. What is the amplitude of the particle's motion
a speeding car traveling at 120kmhr passes a cop that is traveling at the same speed in the opposite direction. upoon
a bobsled slides down an ice track starting at zero initial speed from the top of an 44.9 m high hill. the acceleration
Discuss the design of such an experiment to investigate the effect of inhaling oxygen during the rest period.
Find the net Coulomb force (magnitude and direction) on the red object due to the green and blue charged objects after 1.00 s has elapsed.
a block on a spring is pulled ot the right and released at t 0 s.it passes x 3.1cm at t 0.685s and it passes x
A 12.1-kg cylinder rolls without slipping on a rough surface. At an instant when its center of gravity has a speed of 10.6 m/s, find the rotational kinetic energy about its center of gravity
Why needle of tangent galvanometer move with increasing or decreasing current?
question when 1.5 kg of a cold metal at a temperature of 258 k is immersed in 2.5 kg of water at a temperature of 343 k
The frequency of light reaching Earth from a particular galaxy is 25.0% lower than the frequency the light had when it was emitted. What is the speed of this galaxy relative to the Earth?
A car of mass 1054 kg moves NE at 20.12 m/s, and collides with another car of mass 1233 kg moving 27.72 m/s at 20.0° E of S. find The velocity of the heavier car after the collision
Transverse waves with a speed of 46 meter per second are to be produced on a stretched string. Find the required tension in the string
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