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A shot putter launches a 7.41 kg shot by pushing it along a straight line of length 1.58 m and at an angle of 35.7° from the horizontal, accelerating the shot to the launch speed from its initial speed of 2.6 m/s (which is due to the athlete's preliminary motion). The shot leaves the hand at a height of 2.12 m and at an angle of 35.7°, and it lands at a horizontal distance of 16.3 m. What is the magnitude of the athlete's average force on the shot during the acceleration phase? (Hint: Treat the motion during the acceleration phase as though it were along a ramp at the given angle.)
A loudspeaker of mass 21.0 {rm kg} is suspended the distance of h = 2.40 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.90 {rm m}.
calculate the maximum range when radar operates at 10ghz and has peak power10 mwattsn ratio10dbantenna cross
For lead 82Pb206 (atomic mass = 205.974440 u) obtain the binding energy per nucleon (in MeV)
Determine the period of the wave motion.
A flywheel is a solid disk that rotates about an axis that is perpendicular to the disk at its center. Rotating flywheels provide a means for storing energy in the form of rotational kinetic energy and are being considered as a possible alternativ..
q1. 150 grams of boiling water temperature 100 c heat capacity 4.2 jgramk are poured into an aluminum pan whose mass is
a ball is thrown upward from the roof of a building, passes the roof going down three seconds later, how fast did the ball strike the ground
q1. a loudspeaker of mass 15.0 is suspended a distance of h 2.30 below the ceiling by two cables that make equal
One fragment, whose speed immediately after the explosion is zero, falls vertically. Illustrate what is the horizontal speed of the other fragment?
A simple pendulum consists of a ball of mass 5.00 kg hanging from a uniform string of mass 0.0510 kg and length L, determine the speed of a transverse wave in the string when the pendulum hangs vertically
Suppose a distant world with surface gravity of 5.28 m/s2 has an atmospheric pressure of 7.16 multiply.gif 104 Pa at the surface. Calculate the pressure at a depth of 10.0 m in the methane ocean
The flashes from the explosions as observed by Spud?
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