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1. A long uniform rod of mass 4kg and length 2m is suspended by a frictionless pivot at its top end from the ceiling. A small blob of silly putty of mass 10g is shot horizontally at a speed of 10m/s at the rod and sticks to it 80cm below the pivot. What is the amplitude (in degrees) and period of the subsequent pendular motion of the rod/blob system?
A helicopter is flying in a straight line over a level field at a constant speed of 5.4 m/s, How would you calculate the angle the velocity vector makes with the ground at the instant before impact
What is the electric field strength at midpoint between two disks.What is the electric field strength a point on axis 5.0 cm from one disk between them.
q1. the density of gold is 1.93times104 rmkgmrm3. 203 rm g of gold is shaped into a cube. what is the length of each
Two circular coils of current-carrying wire have the same magnetic moment. The first coil has a radius of 0.095 m, What is the radius of the second coil
A hurricane wind blows across a 7.50m × 16.4m flat roof at a speed of 180km/hr, How much force is exerted on the roof
A 5 kg ball collides head-on with a 10 kg ball, which is initially stationary. The collision is inelastic. Which statement is true?
A ferry boat transports tourists among three islands. It sails from the first island to the second island, 4.7 km away, in a direction 37.0° north of east. It then sails from the second island to the third island in a direction 69.0° west of north..
determine the distance between the centers of the two plates.
A man strikes a nail with a 1kg hammer. The speed of the hammer just before it strikes the nail is 5m/s, What is the force exerted on the nail by the hammer
You shoot a cannon with initial velocity 62.3 m/s at an angle 67 degrees with respect to the level field on which the cannon sits. How far does this cannonball go on level ground
A 5.61-mm-high firefly sits on the axis of, and 10.3 cm in front of, the thin lens A, whose focal length is 6.99 cm. Is this image upright or inverted with respect to the firefly
Mars rotates on its axis once every 24.8 hours. What is the speed of a geosynchronous satellite orbiting Mars
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