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A golfer uses a club to hit a 45-g golf ball resting on an elevated tee so that the golf ball leaves the tee at a horizontal speed of +38m/s.
A.) what is the impulse on the golf ball?
B.) what is the average forve that the club exerts on the golf ball if they are in contact for 2.0x10-3 seconds?
C.) what average force does the golf ball exert on the club during this time interval?
A roller coaster goes through a complete loop. If the train is given an initial speed of v0 = 30 m/s, what is the largest value that the radius R can have
A convex mirror has a focal length of -30 cm. Find the magnification produced by the mirror when the object distance is 8 cm
A person is standing on a level floor. His head, upper torso, arms, and hands together weigh 401 N and have a center of gravity that is 1.39 m above the floor. find the location of the center of gravity for the entire body
At time t=0s, a wheel has an angular displacement of zero radians and an angular velocity of (+28) rad/s. Calculate the average angular velocity in the interval from t=0 to t=20
An astronaut weighs 185 lb on earth. What is her weight on the moon, where the acceleration due to gravity is 5.28 ft/s2
Four identical metallic objects carry the following charges: +5.0 µC, +5.0 µC, -8.2 µC, and -4.0 µC. What is the final charge on each object
While moving down the track at 10.0 m/s, you uniformly accelerate to 27.0 m/s in 10 s. Illustrate what is the average net force that you have applied to the car during the 10 s interval?
An 80 kg hockey player is gliding down the ice with a velocity of 7.5 m/s in +ve x directon.he is hit by a defensive player of mass 105 kg ans an initial velocity of 4.5m/s in -ve y direction.if the players experience a completely inelastic collision..
A 3.6kg block on a incline that is measured as 45 degrees from the horizontal. uk = 0.2. A] how much does the friction force due during this distance?
an electrically neutral thin square metal slab measuring 4.80 on a side is placed in a uniform external field that is
The right ascension of the star Vega, brightest star in theconstellation Cygnus, is 18h 37m 12s. If Vega’s Hour Angle is +3h 10m, what is the LocalSidereal Time?
At what distance along the central axis of a uniformly chargedplastic disk of radius R = 1.40 m is themagnitude of the electric field equal to 1/9 times the magnitude of the field at the center of the surface of the disk?
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