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A boy of mass 52.5 kg is initially on askateboard of mass 2.00 kg, moving at a speed of 10.1 m/s. The boy falls off the skateboard, and hiscenter of mass moves forward at a speed of 11.1 m/s. Find the final velocity of the skate board.
A block of mass m=0.20 kg is attached to a spring with force constatnt k=12.0 N/cm. Determine the decrement of the motion
What is the difference between series and parallel circuits? Specify in wordsand algebraic formula, if possible, the relationships between current, voltage, and resistance in each type of circuit.
A uniform magnetic field is at right angles to the plane of a wire loop. The field decreases by 0.15 in 3.0×10-3 and the magnitude of the average emf induced in the loop is 85 V. What is the area of the loop
a 40 g block of of ice is cooled to -72 C and then is added to 650 g of water in an 80 g copper calorimeter at a temperature of 24C, determine the final temperature of the system consisting of the ice
Two 3.0 ?C charges lie on the x-axis, one at the origin and the other at 25 m. What is the potential at this third point relative to infinity
A container of hot water at 50 degrees cools to 49 degrees in how many seconds when it is placed in a room that is t 20 degrees. use newton's law of cooling to find the time it will take for the container to cool from 50 degrees to 49 degrees.
a 5.00 kg object is released from rest while fully submerged in a liquid. the liquid displaced by the submerged object
Two cars of equal mass are traveling as shown in the figure below just before undergoing a collision. find the magnitude and direction of their final velocity
An Earth satellite has a speed of 28100 km/hr when it is at its perigee, 281 km above Earth's surface. Find the apogee distance
A 25g object moving to the right at 20 cm/s overtakes andcollides elastically with a 10.0g object moving in the samedirection at 15cm/s. What is the velocity of each object after collision
A person whose eyes are 1.7 m above the floor stands in frontof a plane mirror. What is the height of the shortest mirror in which shecan see her entire image
Refer to Interactive Solution 25.21 for help with problems like this one. How far from the wall should the mirror be located
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