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a catcher catches a 145 g baseball traveling horizontally at 36.0 m/s. How large an impulse does the ball give to the catcher? If it takes the ball 25.0 ms to stop once it is in contact with the catcher's glove, what average force did the ball exert on the catcher?
A rope having a total mass of 0.4 kg and total length of 4 m has a 0.6 m of the rope hanging vertically down off a work bench. Explain how much work must be done to place all the rope on the bench?
What is the phase dierence between wavefronts originating from the two slits, at a point on the screen located +Π/10m from the zero'th order?
A shopper standing 2.40 m from a convex security mirror sees his image with a magnification of 0.240. What is the focal length of the mirror
Two wires run parallel to each other with currents I1 = 9.3 A, and I2 = -17.1 A. find the magnitude of the force per meter of length
A flashlight on the bottom of a 4-m deep swimming pool sends a ray upward and at an angle so that the ray strikes the surface of the water 1.70-m from the point directly above the flashlight. What angle (in air) does the emerging ray make with wat..
What is wind velocity
A large wooden turntable in the shape of a flat disk has a radius of 2.05m and a total mass of 130kg. Find the angular speed of the turntable after the parachutist lands
What minimum constant acceleration does the aircraft require if the aircraft is to be airborne after a takeoff run of 222m.
Two identical positive charges exert a repulsive force of 6.2 x10-9 N when separated by a distance of 3.6 x10-10 m. compute the charge of each.
Light with a wavelength of 618 nm passes through a slit 7.52 wide and falls on a screen 1.88 m away. compute the linear distance on the screen from the central bright fringe to the first bright fringe above it.
q1. two 12-cm-diameter charged rings face each other 17.0 apart. both rings are charged to 40.0. what is the electric
The pilot of an aircraft wishes to fly due west in a 30.50 km/h wind blowing toward the south. The speed of the aircraft in the absence of a wind is 190km/h. What should its speed relative to the ground be.
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