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A stone is thrown downward from the top of a building. It reaches a point 35.60 meter below the top in 2.0 s. Neglecting air resistances. Find how long does it take to reach a point 110.4 meter below the top?
A baseball player hits a ball at 49.2m/s at an angle of 29.0 degrees above the horizontal. The outfield bleachers are 145 m away from the home plate.
A certain string can withstand a maximum tension of 36 N without breaking. What is the speed of the stone as the string breaks
As shown on the right, a uniform boom with a mass of 30.0 kg and a length of 2.00 meters is suspended at its left end by a low friction bearing and supported at its right end by a low mass horizontal steel wire of diameter 4.00 mm. A 20.0 kg mass ..
There is a beam that weighs 1500 kilograms and is twenty meters in length. It has a 15000 kilogram mass on the right side, five meters from the center of gravity. obtain the net tension of each brace that is holding up the beam on both sides.
A teeter-totter is made of a 4.200 meter long plank with a mass of 38.0 kilogram, with a fulcrum (pivot point) located 2.400 meters from the right end. find what mass must be located at the left end
A certain type of propeller blade can be modeled as a thin uniform bar 2.50m long and of mass 26.0kg that is free to rotate about a frictionless axle perpendicular to the bar at its midpoint. find the maximum angular acceleration the blade could ac..
A circular pan of radius b = 10.10 cm has a plastic bottom and metallic side wall of height h = 2.20 cm . It is filled with solution of resistivity 2.20 ?·m. find the resistance of the conducting solution in this geometry
A rock is dropped from a height of 100 m above the ground. How long after the ball is thrown will the objects be at the same height above the ground
At t=0 a ball is thrown upward from the ground. Two seconds later, the ball hits the ground. Assume g=10m/s2. What is the maximum height of the ball. What is the initial velocity of the ball?
You want to visit your friend Ford Prefect, who lives in the vicinity of Betelgeuse, 425 light-years from Earth (that is, light takes 425 years to arrive from Betelgeuse). What is the distance between Betelgeuse and Earth
A cylindrical rod with a diameter of 2.54 cm and a length of 76.2 cm is initially at a temperature of 20.0 C. Next, After reaching equilibrium, what is the volume of the rod
Water flows at a rate of 25 L/min through a horizontal 7.0-cm- diameter pipe under a pressure of 6.0 Pa. What is the pressure at this point
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