A plank, of length L and mass M, rests on the ground and on a frictionless roller at the top of a wall of height h (see Figure). The center of gravity of the plank is at its center. The plank remains in equilibrium for any value of q q 0 but slips if q q 0. a. Calculate the magnitude of the force exerted by the roller on the plank when q ...
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Get PriceA ball X of mass 1 kg travelling at 2 m/s has a head-on collision with an identical ball Y at rest. X stops and Y moves off. Calculate the velocity of Y after the collision. Solution Mass of the ball x, m 1 1 kg Speed of ball x, u 1 2 m/s Mass of ball y, m 2 1 kg Speed of ball y, u 2 0 m/s (at rest) Velocity of ball x after collision ...
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Get PriceAfter rebounding, the ball leaves the ground with momentum p 2 upwards. The ball is in contact with the ground for 0.020 s. During this time interval, an average resultant force of 25 N acts on the ball. What is a possible combination of values for p 1 and p 2? p 1 / kg m s 1 p 2 / kg m s 1 A 0.15 0.65 B 0.20 0.30 C 0.30 0.20 D 0.65 0.15
Get Price4 TIMKEN METRIC TAPERED ROLLER BEARINGS BEARING DATA TIMKEN METRIC TAPERED ROLLER BEARINGS Bore Part Number Dimension Series (ISO 355) Bearing Dimensions Bore d O.D. D Width T B Width C mm mm mm mm mm mm 15 30302 2FB 15.000 42.000 14.250 13.000 11.000 17 30203 2DB 17.000 40.000 13.250 12.000 11.000 30303 2FB 17.000 47.000 15.250 14.000 12.000 20 32004X 3CC 20.000 42.000 15.000 15
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Get Price5) How much kinetic energy does a roller coaster have if its mass is 3,000 kg and is moving at 30 m/s? 6) You throw a 0.15 kg baseball to the first baseman. The ball travels with a speed of 36 m/s.
Get PriceA 4 kg ball is attached to a 1.5 m long string and whirled in a horizontal circle at a constant speed 5 m/s. ... A crane lifts a 300 kg load at a constant speed to the top of a building 60 m high in 15 s. The average power expended by the crane to overcome gravity is ... A 500 kg roller coaster car starts from rest at point A and moves down ...
Get PriceUp to 6.8 kg (15 lbs) per roller. Speeds up to 37 m/min (121 ft/min) Pallets. 320 to 800 mm pallets. Static conductive HPDE skirt. Proximity sensor pick-up on side and bottom. Optional pin tracking ball bearings for corner conveyors. Zone Slip Roller Technology. Non-contact zone control eliminates pallet stops and costly pneumatic valves.
Get Price1. What is the momentum of each of these objects? a) a ball of mass 0.50 kg moving up at 30 m/s. b) a 200 kg truck moving 10 m/sS c) an electron moving at 1.0 X 10 7 m/s if its mass is 9.11 X 10-31 kg. d) a planet moving with a velocity of 3.0 X 10 4 m/s, if its mass is 6.0 X 10 24 kg. 2.
Get PriceThe lighter ball starts out moving faster than the heavier ball. ... A roller coaster car has a mass of 500 kg when fully loaded with passengers. The car passes over a hill of radius of curvature r (r 15 m) as shown. At the top of the hill the car has a speed of 8.0 m/s.
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Get Price0.1682 m3 /kg (0.00785 m2)(0.1 m) 0.1682 m3 0.000785 m3 3/kg 0.00467 kg Since the cylinder is closed, the mass of the carbon dioxide does not change, but the volume does, so we will assume the piston is at the stops and V 2 0.00118 m3, so v 2 V 2 m CO2 0.2523 m3/kg. Now we have two state variables (T 2 and v 2), so lets go back to ...
Get Price1. (15 points) A roller coaster ride at an amusement park lifts a car of mass 700 kg to point A at a height of 90 m above the lowest point on the track, as shown above. The car starts from rest at point A, rolls with negligible friction down the incline and follows the track around a loop of radius 20 m. Point B, the highest point on the loop ...
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Get Price8. A roller-coaster car with a mass of 900 kg starts at rest from a point 36 m above the ground. At point B, it is 8 m above the ground. Problem 06.00E16.a - find potential energy of roller coaster given mass and height. What is the initial potential energy of the car in kilojoules (kJ)? a. The initial potential energy of the car is _____ kJ.
Get PriceA 1383 kg roller coaster car starts from rest at a height H 24 m (see figure) above the bottom of a 15.0 m diameter loop. If friction is negligible, determine the downward force of the rails on the car when the upside-down car is at the top of the loop.
Get PriceA plank, of length L and mass M, rests on the ground and on a frictionless roller at the top of a wall of height h (see Figure). The center of gravity of the plank is at its center. The plank remains in equilibrium for any value of q q 0 but slips if q q 0. a. Calculate the magnitude of the force exerted by the roller on the plank when q ...
Get PriceDeep groove ball bearings are the most widely used bearing type and are suitable for many different industries. Matching that versatility across many different applications, they are available in a wide range of designs, variants and sizes. Here are examples of applications in which deep groove ball
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