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A ball is projected horizontally from the edge of a table that is1.00 meter high, and it strikes the floor at a point 1.20 meter from the base of the table.
a. Determine what is the initial speed of the ball?
b. Find how high is the ball above the floor when its velocity vector makes a 45.0o angle with the horizontal?
A mass of 6 kg is moving at 31 m/s in the positive x direction. What is the magnitude of the velocity of the masses after the collision in m/s
A string which has a mass of 0.50 kg and a length of 3.0 m is clamped on both ends. If the tension in the string is 25 N, what are the lowest 3 natural frequencies of oscillation of the string? Give sketch for each pattern.
A rifle is fired horizontally. The buillet is found to havetraveled 200 meters. at what speed must the bullethave been traveling as it left the barrel
One afternoon, a couple walks three-fourths of the way around a circular lake, the radius of which is 1.69 km. What is the distance they travel
We wish to design an ac generator using an armature on which is wound a flat tight rectangular coil (8.00 cm x 20.0 cm) of 150 turns. Find what angular speed should the coil turn
in any triangle the sum of the measures of the angles is 180deg. in a triangle abc angle a is four times as large as
A block of plastic (0.7 kilogram) is sitting on a rough horizontal plane (μk = 0.4). Find what is the speed of the block after the bullet passes through it
in a serios accident,a nuclear power plant's reactor vessel cracks,and all of the cooling water drains out.although nuclear fission stops, how long will the melting take
a ball of mass 2.9kg rests on a ramp that makes an angle of 28 degrees with the horizontal. it is held in place by a
Two objects with masses of 3.90 kg and 6.40 kg are connected by a light string that passes over a frictionless pulley, Determine the acceleration of each object
two substances a and b have identical enthalpies of vaporization. they boil at 164 degree celsius and 236 degree
A jet lands at 14.8 m/s, applying the brakes 2.19 s after landing. Find the acceleration needed to stop the jet within 5.89 102 m
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