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A cannon is fired from the ground 60 degrees above thehorizontal, then flies over level ground. The muzzle speed is.98km/s. Neglect air resistance, what projectile will travel what horizontal distance before striking the ground?
High speed stroboscopic photographs show that the head of a 181 g golf club is traveling at 55.4 m/s, Find the speed of the golf ball just after impact
You have a converging lens of focal length 20 -cm. For what range of object distances will the image be real
coherent light with wavelength 510 nm passes through narrow slits with a separation of 310mm, what is the phase difference (in radians) in the light from the two slits at an angle of 22.0 degrees from the centerline
A factory worker moves a 30.0 crate a distance of 5.20 along a level floor at constant velocity by pushing horizontally on it. What magnitude of force must the worker apply
A uniform solid cylinder of mass M and radius R is at rest on a slab of mass m, which in turn rests on a horizontal, Find the angular acceleration of the cylinder in terms of F, M, R, and m
A child is in danger of drowning in the Merimac river. The Merimac river has a current of 3.1 km/hr to the east. How far from the dock does the boat reach the child
A member of the volleyball team spikes the ball. During this process, she changes the velocity of the ball from 3.5 m/s, determine the mass of the volleyball
question1a 100-kg athlete is performing vertical leap to test his leg strength. he leaves ground at 3.20 ms zooms
You are standing between two plane mirrors that are parallel to each other. How many total images of you would there be formed by this arrangement
A ball with v0 = 15 m/s collides with two identical balls which are lined up vertically as in the diagram below. Find the velocities of all three balls after the collision
Heather and Jerry are standing on a bridge 46 above a river. Heather throws the rock straight down with a speed of 20. Jerry, at accurately the same instant of time, throws a rock straight up with the same speed. Overlook air resistance.
Two coils have the same number of circular turns and carry the same current. Each rotates in a magnetic field acting perpendicularly to its axis of rotation, What is the radius (in cm) of coil 2
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