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A golf ball is struck with a five iron on level ground. It lands 92.6 away 4.20 later. What was (a) the direction and (b) the magnitude of the initial velocity?
A rocket is launched at an angle of ? = 46° above the horizontal with an initial speed vi = 50 m/s, What is the rocket's total time of flight
a charged particle is projected in a uniform electric field between two plates with initial velocity 5x103ms at angle
Joey, whose mass is 37kg , stands at rest at the outer edge of the frictionless 250kg merry-go-round, 1.9m from its center. The merry-go-round is also at rest. What is the final angular speed of the merry-go-round
The surface between a 12kg block , the 16kg wedge and between 16 kg wedge and the horizontal plane are smoothe, What is the force F which must be exerted on the 16 kg block in order that the 12 kg block
A Carnot cycle uses a cold reservoir at 280 K. In each cycle, 2500 J of heat is supplied and 1200 J of work is done. What is the temperature of the hot reservoir
A garden plot must have a central planting area of length 13 m and width 8 m. There is to be a sidewalk around its edge of width w. what is the sidewalk width
The fastest land animal is the cheetah, which runs at a constant speed of 101 km/hr. The second fastest is the antelope, How far will the cheetah have travelled by this time
The graph of two cars that collide shows that they intersect at a point 5.5m on a distance/time graph. The first car has a velocity of 0.39m/s. what does the steepness of the slope indicate
Use Coulombs' law and integration to find the electric field inside a hollow cylindrical shell with surface charge density ps and surface radius a
A pendulum consisting of a ball of mass m hanging from a massless rope is dropped from a height h. How high does the ball on the pendulum rebound from its collision with the block
Velocity has a magnitude and a vector. consider a boat moving initally with velocity of 30 m/s directly west. What is the change in velocity
A 5.00 X 10-2 kg mass with a charge of +0.75 mC is hung by a thin insulated thread. A charge of -0.9 mC is held 0.15 meters directly to right so that the thread makes an angle q with the vertical. What is the angle q and the tension in the string.
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