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Sue and Jim are on ice skates standing 1.30 metre apart on a frozen lake. Sue has a weight of 490 N, Jim has a weight of 735 N. Sue throws a book which has a mass of 5.0 kg. to Jim at a velocity of 5 m/s. Jim catches it and throws it back to Sue at a velocity of 6 m/s. What is Sue's velocity and direction after catching the book thrown by Jim? (Sue on left side and Jim on right side).
The three-toed sloth is the slowest moving land mammal. On the ground, the sloth moves at an average speed of 0.035 m/s, how much further would the tortoise have gone relative to the sloth
Suppose that while moving into an apartment you move a refrigerator into place by sliding it across the floor. What is the least force you could exert on the refrigerator to move it
A soccer ball is kicked with an initial horizontal velocity of 16.0 m/s and an initial vertical velocity of 18.0 m/s. How far from where it was kicked will the ball land
A constant magnetic field of magnitude 0.45 T is directed along the +y axis. The length of each rod is L = 1.3 m, and the speeds are the same, vA = vB = vC = 2.7 m/s. For each rod, find out the magnitude of the motional emf, and indicate which end..
The wave function for a quantum particle is given by ψ(x)= Ax between x = 0 and x = 1.00, and ψ(x) = 0 elsewhere. Find the value of the normalization constant A
The large blade of a helicopter is rotating in a horizontal circle. The length of the blade is 6.64 m, Find the ratio of the centripetal acceleration at the end of the blade to that which exists at a point
A leather ball of circumference 75.1 cm and mass 583 g is forced to the bottom of a swimming pool and then released. Calculate the buoyant force on the ball
Two thin convex lenses, A and B, lens A has a long focal length and lens B has a short focal length. which lens will produce an image at a smaller s'
A 128-cm-long pipe is stopped at one end. Near the open end, there is a loudspeaker that is driven by an audio oscillator, What is the lowest frequency of the oscillator that will produce resonance within the tube
He has a mass of 74.0 kg and his center of gravity is located at a horizontal distance of d1 = 0.730 m from his palms and d2 = 1.10 m from his feet. calculate the forces exerted by the floor on his feet
Two particles are fixed to an x axis: particle 1 of charge q1 = 1.86 x 10-8 C at x = 27cm and particle 2 of charge q2 = -3.63q1 at x = 77.7cm. At what coordinate on the x axis is the electric field produced by particles equal to zero.
In a college homecoming competition, eighteen students lift a sports car. Though holding the car off the ground, each student exerts an upward force of 390 N. What is the mass of the car in kilograms? What is its weight in pounds.
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