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A tennis ball connected to a string is spun around in a vertical, circular path at a uniform speed. The ball has a mass m = 0.169 kg and moves at v = 5.06 m/s. The circular path has a radius of R = 1.02 m
What is the minimum velocity so the string will not go slack as the ball moves around the circle?
A golf ball is hit at ground level. The ball is observed to reach its maximum height above ground level 3.8 s after being hit, How high is the fence
A 45.2-kg girl is standing on a 143-kg plank. Both originally at rest on a frozen lake that constitutes a frictionless, What is the girls velocity relative to the ice surface
A converging lens of focal length 19.2 cm is separated by 55.3 cm from a converging lens of focal length 4.72 cm. If the height of the object is 3.10 cm, what is the height of the final image
The water in a atank is at a gauge pressure of 190,000 Pa. what is the force on the bottom of the tank
A large rock that weighs 164.0 N is suspended from the lower end of a thin wire that is 3.00 m long. The density of the rock is 3200 kg/m^3. What is the density of the liquid
A sotne of mass 0.3 kg tied to the end of string in ahorizontal plane in whriled round in a acircle of radius 1m, What is the tension in the string? What is the max speed with which the stone can be whriled around
What is the mass in kg of the air in a scuba tank that has an internal volume of 0.01 m3 and it is pressurized o that the density of the air in the tank is 240 kg/ m3
q1. in a head-on collision a car stops in 0.28 from a speed of 18. the driver has a mass of 73 and is fortunately
Twenty particles, each of mass m0 and confined to a volume V, have various speeds: two have speed v, FIND the pressure they exert on the walls of the vessel
Determine the average speed for the trip
The water in a tank is at a gauge pressure of 259,181 Pa. If the bottom of the tank that has an area of 0.6 m2, what is the force on the bottom of the tank
Unpolarized light with intensity 370 W/ m^2 passes first through a polarizing filter with its axis vertical, What light intensity emerges from the second filter
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