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A ball player hits a home run,and the baseball just clears a wall 8.00 m high located124.0 m from home plate. The ball is hit at an angle of 39.1? to the horizontal, andair resistance is negligible. Assume the ball is hit at a height of1.3 m above the ground. The acceleration of gravity is 9.81 m/s2 . a) What is the initial speed of the ball? Answer in units of m/s.
A hard-thrown tennis ball is moving horizontally when it bangs into a vertical concrete wall at perpendicular incidence. What are the directions of its velocity and acceleration just before hitting the wall
A cyclotron particle accelerator (sometimes called an "atom smasher" in the popular press) is a device for accelerating charged particles, How fast are these protons moving when they hit the tumor
On a frictionless horizontal surface below, a 1.5 kg mass traveling at 2.5 m/s collides with and sticks to a 3 kg mass that is initally at rest, What will be the max compression of the spring
A 8.90 kg object oscillates at the end of a vertical spring that has a spring constant of 1.95 multiply.gif 104 N/m. Calculate the frequency of the dampened oscillation
Unpolarized light is incident on a series of two Polaroid sheets. The intensity of the light emerging from the second sheet is 18.4 percent of the intensity of the light incident on the first sheet. Find out the angle between the transmissions axe..
The jet accelerates uniformly, and during that time, the pendulum oscillates about the equilibrium position shown by the solid line, with D = 0.370 m. find the magnitude of the plane's acceleration.
An array of four charges is arranged along the x-axis at intervals of d = 4.8 m. If three of the charges are the same, q = +0.5 µC, and the charge at the far right is -0.5 µC, what is the potential at the origin
Your task in physics laboratory is tomake a microscope from two lenses. One lens has a focal length of 2.4 cm, the other 1.2 cm. You plan touse the more powerful lens as the objective, and you want the eye piece to be 17 cm from the objective
Suppose a tank contains 680 m3 of neon (Ne) at an absolute pressure of 1.01 x 10^5 Pa. What is the increase in the internal energy of the neon
A 10m long conductor is formed into a circle in the xy-plane. Find the magnetic flux through the looped conductor
compare and contrast the eruption styles of the mauna loa volcano in hawaii and mount pinatubo in philippines.be sure
The position of an object connected to a spring varies with time according to the expression x = (4.4 cm) sin(6.9?t). (a) Find the period of this motion. s (b) Find the frequency of the motion. Hz (c) Find the amplitude of the motion. cm (d) Find ..
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