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Q: 24" A 16" x- 20" 60 lb 80" B 30 lb 76" - 210 lb D C 19"
A: OA→=+22i^-15j^OB→=-22i^-15j^OC→=-16i^+70j^OD→=+18i^+76j^
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- A 60-g steel sphere attached to a 200-mm cord can swing about point O in a vertical plane. It is subjected to its own weight and to a force F exerted by a small magnet embedded in the ground.The magnitude of that force expressed in newtons is F= 3000/r2 , where r is the distance from the magnet to the sphere expressed in millimeters. Knowing that the sphere is released from rest at A , determine its speed as it passes through point B.A truck is mounted with an open tank 10 m long x 2.75 m wide x 2.50 m high. The tank is 3/5 full of water. Find the greatest horizontal acceleration in m/s^2 which the truck may be given without spilling water. a.1.20 b.1.72 c.1.96 d.1.56A turbine is rotating at a constant speed of 2400rev/min. At what constant rate in radian/sec^2 must its motion be retarded to bring it to rest in 20 minutes?
- . An open cylinder tank 0.5 m in diameter and 1 m in height is completely filled with water and rotated about its axis at 240 rpm. Determine the volume of water spilled out of the tank. Unit of the Correct Answer: liters Decimal Places required in the final answer: 2 An open cylindrical tank 3m high and 1.5m in diameter contains 2m high of water. If the cylinder rotates about its geometrical axis, what constant angular velocity can be attained if the depth of water at the center is 0.5m? Unit of the Correct Answer: rad/sec Decimal Places required in the final answer: 3 A vertical cylindrical tank is 9 m high and 5 m in diameter. It is two thirds full of water and is rotated uniformly about its axis until on the point of overflowing. Compute the linear velocity at the circumference of the tank. An open cylindrical vessel 2m diameter and 4.2 m depth is 2/3 full of water. If rotated about the vertical axis at constant angular speed 80 rpm, determine the amount of water in…1. A block having a mass of 50 kg is subjected to a horizontal force that is causing it to have an acceleration of 1 m/s2. If the coefficient of friction between the block and the horizontal surface is 0.40, determine: a) the value of the horizontal force. b) Find the distance traveled after 10 seconds if it has an initial velocity of 5 m/s.A cylinder vessel filled with water with a 2m diameter and 5m high. It was rotated with uniform angular velocity and spilled half of its volume. A)Estimate the pressure at the center of paraboloid in Pascals when it is rotating. B) Estimate the depth of paraboloid in meters when it is rotating. C)estimate the velocity in rev/s when its rotating
- An open vessel 4.0m wide, 5.0m long and 3.5m deep contains 3m of water. It is then accelerated to the right along its width. a. Calculate the acceleration just about water to spill. b. At this rate, what is the force (in N) causing the acceleration if the mass of the vessel if the mass of the vessel is 600kg? c. Consider the same vessel accelerated at 7.00 m/s2. Determine the volume (in m3) of water spilled at that acceleration.A ball is dropped from rest at the top of a 60 meters tower. A horizontal wind gives it a constant horizontal acceleration, and the ball hits the ground 3 m west of its release point. Neglect vertical air resistance and neglect any effects associated with the rotation of the earth. 1. Calculate the horizontal acceleration ax. a. 0.490 m/s² b. 0.235 m/s² c. 0.583 m/s² d. 0.456 m/s² 3. Calculate the horizontal velocity Vx of the ball as it hits the ground. a. 1.716 m/s b. 1.235 m/s c. 1.524 m/s d. 1.124 m/sAn open rectangular tank mounted on a truck is 5m long, 2m wide and 2.5m high is filled with water to a depth of 2m. (a) What is the maximum horizontal acceleration can be imposed on tank without spilling any water and (b) determine the accelerating force on the liquid mass? (c) If the acceleration is increased to 6 m/s2, how much water is spilled out?
- A parachute rises from the ground with a constant acceleration of 2.6 m/s2. 6 secondslater, a ball is thrown vertically upward. What must be the initial speed of the ball for itto touch the parachute? Note that at point of contact their velocity is equal.An open tank 2.40m long by 0.50m wide by 1.40m deep contains water 1m deep. The tank is accelerated along its longer dimension. Find the acceleration so that the water surface just touches the top of the tank. If the mass of the tank is 500 kg, what is the acceleration so that the water surface just touches the top of the tank?An elevator weighing 9.8 KN moves downward from rest until itattains a velocity of 20 m/s after it travels a distance of 5 m. Whatis the travel time of the elevator at this instant?a. 3 secsb. 2 secsc. 1 secd. 0.5 sec
