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A ball is being thrown towards a wall with 25.0 m/s in a 40 degree angle. The distance to the wall is 22.0m
a) How high will the ball hit the wall?
b) What is the horizontal component and vertical component of the ball when it hits the wall?
c) When the ball hits the wall, has it reached its vertex?
A line in the x-ray spectrum of gold has a wavelength of 18.5 pm (=18.5 x 10^-7 m), What is the energy of the lower stationary state
In a different car, the distance the dummy moves while being stopped is reduced from 0.750 m to 0.270 m, calculate the average force on the dummy as that car stops
Two identical guitar strings are prepared such that they have the same length (1.91 m) and are under the same amount of tension. What is the wave propagation speed on the guitar strings
A miniature 200 g monkey skis 150 m down a 25 degree inline on a 400 g sled. Use energy methods to find the final speed of the monkey
A 0.020-kg bullet is shot horizontally and collides with a 1.35-kg block of wood. The bullet embeds in the block, what was the original speed of the bullet
You are trying to slide a refrigerator across a horizontal floor. The mass of the refrigerator is 188kg, and you require to exert a force of 347N to make it just begin to move. What is the coefficient of static friction between floor and refrigera..
a tennis ball is fired from a gun that us mounted on the floor. the tennis ball has an initial speed Vo= 25.0m/s, what is the speed of the tennis ball when it reaches your racket
A skier starts from rest at the top of a 48 m hill, skis down a 32° incline into a valley, and continues up a 28 m high hill. How fast is the skier moving at the bottom of the valley
A wire has a length of 7.60 multiply.gif 10-2 m and is used to make a circular coil of one turn. find the maximum torque that this coil can experience
q1. a person whose eyes are h 1.64 m above the floor stands l 2.3 m in front of a vertical plane mirror whose bottom
Suppose you're skiing up a 20m tall slope at the indicated angle of inclination. What minimum initial speed must you have at the bottom to just make it to the top
One method of determining the refractive index of a transparent solid is to measure the critical angle when the solid is in air. what is the index of refraction of the solid
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