What is the decrease in kinetic energy after collision
A railroad car with a mass of 2.00 * 10^4kg is moving at 3.00m/s, each with the same mass as the single car and initially moving in the same direction at 1.2 m/s. what is the decrease in kinetic energy after the collision?
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A 63.0 kg girl weighs herself by standing on a scale in an elevator. What is the force exerted by the scale when the elevator is descending at a constant speed of 10 m/s?
A 1500- car drives at 30 around a flat circular track 300 in diameter. What are the magnitude and direction of the net force on the car?
What is the maximum speed with which a 1180 kg car can round a turn of radius 75 m on a flat road if the coefficient of static friction between tires and road is 0.80?
An object weighing 300 N in air is immersed in water after being tied to a string connected to a balance. The scale now reads 265 N. Immersed in oil, the object appears to weigh 275 N. Find (a) the density of the object and (b) the density of the
A 16 g rifle bullet traveling 215 m/s buries itself in a 3.4 kg pendulum hanging on a 2.9 m long string, which makes the pendulum swing upward in an arc. Determine the horizontal component of the pendulum's displacement.
A gas is compressed at a constant pressure of 0.836 atm from 6.34 L to 4.3 L. In the process, 550 J of energy leaves the gas by heat. What is the work done on the gas?
Two lifeguards pull on ropes attached to a raft. If they pull in the same direction, the raft experiences a net external force of 320 N to the right. If they pull in opposite directions, the raft experiences a net external force of 109 N to the l
A small ball of mass 81 g is suspended from a string of length 26 cm and whirled in a circle lying in the horizontal plane. If the string makes an angle of 23? with the vertical, find the centripetal force experienced by the ball. The acceleratio
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult