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Major-LEAGUE baseball outfield fences are typically about 350 feet from home plate. Home run balls need to be at least 12 feet off the ground to clear the fence.
Calculate the minimum required initial velocity for a home run, for baseballs hit at the angles 10 degree, 20 degree, 30 degrees, and 40 degrees from the horizontal?
A 106 m long train begins uniform acceleration from rest. The front of the train has a speed of 23 m/s when it passes a railway worker who is standing 230 m from where the front of train started. What will be the speed of last car as it passes the..
A 10.0microF capacitor and a 5.45mH inductor are connected in series with an open switch. What is the angular frequency of the charge oscillations
A metal rod of mass 50 and electrical resistance 0.10 rests on parallel horizontal rails that have negligible electric resistance. The rails are a distance = 10.0 apart. The rails are also connected to the voltage source providing a voltage of = 5..
Two Jupiter-size planets are released from rest 5.00×1010m apart. What are their speeds as they crash together
A hydraulic lift consists of two pistons that connect to each other by an incompressible fluid. If one piston has an area of 0.49 m^2 and the other an area of 6.2m^2, how big a mass can be raised by a force of 220N exerted on the smaller piston.
Find the magnification of the heater element given that the mirror has a radius curvature of 46 cm and produces an image of the coils 2.6m away from the mirror
How many cm/s2 of acceleration should correspond to 1 unit of ramp slope if: •a graph of number of paper clips needed to maintain equilibrium vs. what would be the acceleration of the cart
A 0.401 kg bead can slide on a curved wire, If the wire is frictionless and the bead is released with an initial speed of 12.8 m/s in the forward direction then find the speed of the bead at B
The membrane that surrounds a certain type of living cell has a surface area of 5.00 10-9 m2 and a thickness of 1 10-8 m. Assume that the membrane behaves like a parallel plate capacitor and has a dielectric constant of 5.
A discus thrower changes his angular velocity from 280°/s to 400°/s (at the time of release) in 1.5 sec. find the average angular and linear acceleration
A 400kg piano slides 4.0 m down a 30 degree incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. Find out the force exerted by the man.
Show that the average force exerted. What is your displacement after running 2.5 {rm km} on Strawberry Fields, 1.4 {rm km} on Penny Lane, and 4.2 {rm km} on Abbey Road.
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