Physics, 25.08.2021 19:10 xwilliams83
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10. A student on a go-cart (with a combined mass of 82 kg) moving at 6.2 m collides with a 17 kg cart initially at rest. As a resul
of the collision, momentum is transferred from the first cart to the second cart. The velocity of the student and cart is 5.22"
after the collision. The collision lasts for 0.20 s. What is the absolute value of the impulse that is delivered to the student and
the first cart during the collision?
kg
Be sure to enter the absolute value of your answer. Also, round your answer to the nearest hundredth if necessary.
Answers: 1
Physics, 21.06.2019 22:00
Air is held within a frictionless piston-cylinder container, which is oriented vertically. the mass of the piston is 0.45 kg and the cross-sectional area is 0.0030 m2. initially (state 1) the pressure of the gas is sufficient to support the weight of the piston as well as the force exerted by the atmospheric pressure ( 101.32 kpa). the volume occupied by the air within the cylinder in state 1 is 1.00 liter. one end of a spring (with spring constant k = 1000 n/m) is attached to the top of the piston, while the other end of the spring is attached to a stage that can move vertically. initially the spring is undeflected and therefore exerts no force. then the stage is then moved quasistatically downward a distance of 10.0 cm, at which point the system reaches state 2. the piston-cylinder is not insulated; rather it remains in diathermal contact with the surroundings, which are at a constant temperature of 300 k. what is the change of pressure within the container?
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Amira pulls a 3 pound wagon 4 feet. how much work has she done?
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10. A student on a go-cart (with a combined mass of 82 kg) moving at 6.2 m collid...
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