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Q1. Volleyball is spiked so that it has an initial velocity of 18.9 m/s directed downward at an angle of 48.40 ° below horizontal. What is the horizontal component of the ball's velocity when the opposing player fields the ball?
Q2. Throughout liftoff, a hot-air balloon accelerates upward at a rate of 3m/s^2. The balloonist drops an object over the side of the gondola when the speed is 13m/s.
A toy airplane is tied to the ceiling with a string. When the airplane's motor is started, it moves with a constant speed of 1.03m/s in a horizontal circle. If the angle the string makes with the vertical is 27°, and the tension of the string is 1N.
Batman throws a bat grenade at an angle of 44 degrees to the horizontal with a speed of 17.80 meters per second. How far does it travel.
On a very muddy football field, a 100 linebacker tackles a 75 halfback. Immediately before the collision, the linebacker is slipping with a velocity of 8.9 north's and the halfback is sliding with a velocity of 7.9 east's.
If the weight of a room full of water is so great, why don't the first floors of houses built over basements all collapse as flooded to the ceiling.
Assume the square wire loop is replaced with a smaller one, made of the same wire that is 0.02 m on a side, half as long as the original.
At the same time, the stationary trumpeter played the same note. Ballot heard 3.0 beats per second. How fast was the train moving toward him.
A 0.150 kg ball is going around in a vertical circle of radius R = 0.300 m at constant speed v. The ball is attached to a mass less ideal string which is attached to a fixed pivot point. If the tension F in the string is greater than 125 N, the st..
What is the wavelength of the waves emitted by source? What is the difference in frequency between directly radiated waves and the waves reflected from a whale travelling straight toward the ship at 4.99? Suppose that the ship is at rest in the water..
In order to clearly read a book 24 cm away, a farsighted girl needs an image to be 35 cm from her eyes. What focal length is necessary for lens in her eyeglasses.
What is the gauge pressure of the water at the pump? Suppose steady, laminar flow of water, no viscosity, and no air drag on the water jet. The acceleration of gravity is 9.81 m/s2.
Find the Band Structure and Band Occupancy
Visualize the one cubic centimeter as formed by stacking up identical cubes, with one copper atom at the center of each. Determine the volume of each cube.
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