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A golfer hits a shot to a green that is elevated 3.0 meter above the point where the ball is struck. The ball leaves the club at a speed of 19.4 m/s at an angle of 38.0 degree above the horizontal. It rises to its maximum height and then falls down to the green. Neglecting air resistance, calculate the speed of the ball just before it lands.
A 10-g ball moving at 4 cm/s to east collides with a 5-g ball moving to the west at 6 cm/s. If the collision is elastic, find the magnitude and direction of the final velocity of each ball after collision.
The lowest note on a grand piano has a frequency of 27.5 . The entire string is 2.00 long and has a mass of 430 . The vibrating section of the string is 1.88 long. Part A What tension is needed to tune this string properly?
A point charge +6.7 uC is placed at the origin, and a second charge -3.6 uC is placed in the X - Y plane at (0.40 m , 0.55 m ). Where should a third charge be placed in the plane so that the net force acting on it is zero? Express your answers usi..
Find the resonance frequency of the ear canal, Treat it as a half-open pipe of diameter 8 mm and length 26.7 mm
a what angles does a particles velocity have to make with the magnetic field direction for the particle to be subjected
Imagine a game of tug of war where the winner must move the middle of the rope 1 meter in their direction. What was the work performed by the loosing team as they lost
A ball rolling on a table has a velocity with rectangular components vx = 0.50m/s and vy = 0.60m/s. What is the direction of the balls displacement
suppose you throw a 0.053-kg ball with a speed of 11.3 ms and at an angle of 31.5deg above the horizontal from a
It is 150 cm from your eyes to your toes. You are standing 196 cm in front of a tall mirror. How far is it from your eyes to the image of your toes.
A 45.0 kg girl is standing on a 136 kgplank. The plank, originally at rest, is free to slide on a frozenlake, which is a flat, frictionless surface. What is her velocity relative to the surface of ice
A combination lock has a 1.5cm -diameter knob that is part of the dial you turn to unlock the lock. What is the most torque you can exert on the knob
1.9*10^20photons per second are emitted by a 70W lightbulb, the wavelength is 550nm. How many photons per second are entering the pupil
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