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he world long jump record is 8.95 m (Mike Powell, USA, 1991). Treated as a projectile, what is the maximum range (in m) obtainable by a person if he has a take-off speed of 9.50 m/s?
A golfer stands 30 ft away and 3 ft below a hole on a flat raised green. If the sand wedge the golfer utilizes to hit the ball gives the ball an initial angle of 50 degrees, decide the range of velocities v0 that will cause the ball to land within th..
A blue puck with a mass of 4.30×10?2kg , sliding with a speed of 0.190m/s on a frictionless, horizontal air table, Find the direction of the velocity of the red puck after the collision
A computer to be used in a satellite must be able to withstand accelerations of up to 25 times the acceleration due to gravity, What is the minimum amplitude of vibration that must be used in this test
suppose the PASCO track is 120 cm long. Assume the track is frictionless, and suppose one end is lifted by 2.55 cm. Find the angle between the track and the horizontal
A capacitor of capacitance C, is charged to a potential differenceV0 the terminals of the charged capcitor are thenconnect to a capacitor of C/2. What is the original charge of the system
A ball of mass .5 kg moves perpendicular to the door by the speed of 10 m/s. The door has a mass of 3 kg and a width of 2 m and is hinged about one end. The moment of inertia of a bar rotated about its end is 1/3 Ml^2. The ball strikes the end of the..
q1. an electron librated from a hot filament cathode is attracted by an anode with a potential of 1200v positive with
water moves through a constricted pipe in steady ideal flow. at the lower point the pressure is 1.70 105 pa and the
A spaceship approaching a planet at a speed of 0.20c fires a probe toward a planet. Observers on the planet see the probe approaching at a speed of 0.61c. What the speed of the probe is as gauged from the spaceship?
Lets assume that a very, very small drop of rain starts its way somewhere up in the sky with a mass of m0 and a velocity of 0. We know that when it hits the ground, its usually not that small, and the question of how it grows in mass arises. Lets ..
A circular wave travels outward from the origin. At one instant of time, the phase at r1 = 20.0 cm is 0rad and the phase at r2 = 89.0cm is 3pi rad. What is the wavelength of the wave
Consider a flat-plate solar collector placed horizontally on the flat roof of a house. The collector is 5 ft wide and 15 ft long, and the average temperature of the exposed surface of the collector is 100°F.
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