Final speed of railroad car
A 30,000 kg railroad car initially traveling to the right at 15 m/s collides inelastically with a 20,000 kg railroad car initially traveling to the left at 5 m/s. The cars stick together. What is their final speed?
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If the ball is released from rest at a height of 0.80 above the bottom of the track on the no-slip side, what is its angular speed when it is on the frictionless side of the track? Assume the ball is a solid sphere of radius 2.3 and mass 0.14 .
A gold puck has a mass of 12 kg and a velocity of 5i-4j m/s prior to a collision with a stationary blue puck whose mass is 18 kg. After the collision ,the blue puck has a velocity of 2i-2j. What is the velocity of the gold pack after the collision
The angle between the handle and the ground is 60 degrees. Find the force applied on the handle if its horizontal component is 300 N.
Distinguished scholar George Gerbner has asserted that those who control a society's stories have the power to shape that society's values (cultural hegemony). Who has control over your stories?
A car of mass = 800 traveling at 45.0 enters a banked turn covered with ice. The road is banked at an angle , and there is no friction between the road and the car's tires. What is the radius of the turn if = 20.0 (assuming the car continues in un
A 4.0- block is stacked on top of a 12.0- block, which is accelerating along a horizontal table at = 5.2 . Find minimum coefficient of friction.
In the aftermath of the nullification crisis, President Jackson responded to southern concerns about the tariff by... insisting that high protective tariffs were in the national interest. attempting unsuccessfully to have Congress repeal the Tariff
Discuss how confirmation bias can influence perceptions and how some beliefs can actually generate their own confirmation in 200 to 300 words. Provide relevant examples to support your explanation.
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