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A rugby player runs with the ball directly toward his opponent's goal, along the positive direction of thex-axis. He can legally pass the ball to a teammate as long as the ball's velocity relative to the field does not have a positive x component. Suppose the player runs at speed 4.00 m/s relative to the field while he passes the ball with velocity xrelative to himself. If xhas magnitude 6.0 m/s, what is the smallest angle it can have (relative to the positive direction of thexaxis) for the pass to be legal?
A 23 kg child goes down a straight slide inclined 38 above horizontal. How large is the normal force of the slide on the child
a rock thrown with speed 7.50 and launch angle 30.0 above the horizontal travels a horizontal distance of 19.5 before
Sound 1 has an intensity of 39 W/m2. Sound 2 has an intensity level that is 2 dB greater than the intensity level of sound 1. Determine What is the intensity of sound 2
What is the total charge of the uranium nucleus? (The neutral uranium atom has 92 electrons.), What is the magnitude of its electric field at a distance of 1.48×10-10 m from the nucleus
a block of mass m18 rests on a frictionless surface and is attached to a light cord that is wrapped around a solid
The heating coil of a hot water heater has a resistance of 20 Watt and operates at 210 Volt. Determine how long a time is required to raise the temperature of 200 kilogram of water from 15°C to 80°C
A reflecting telescope has a main mirror with fM = 620 mm. If an eyepiece with a magnification of 15 is used, what is the total magnification of the telescope
While on an elevator, Jaden's apparent weight is 550N, When he is on the ground, the scale reads 600N, What is Jaden's acceleration while on the elevator
One billiard ball is shot east at 3.0 m/s. A second, identical billiard ball is shot west at 1.0 m/s. What are the speed and direction of the first ball after the collision
A light beam is incident on a piece of zircon (n = 1.923) at the Brewster's angle. Find the value of Brewster's angle
suppose a cube of aluminum which is 1.00 cm on a side accumulates a net charge of 2.70 pc.a what percentage of the
A rocket is fired straight upp from the ground with a 2.25 m/s acceleration. what is the speed of the rocked when the engines stop
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