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Question1
A 69 kg boy and a 45 kg girl apply an elastic rope at the same time as engaged in a tug-of-war on an icy, frictionless surface. If acceleration of the girl toward the boy is 3.0 m/s2, find out the magnitude of the acceleration of the boy toward the girl.
Question2
A person with a mass 56.0 kg is riding in a Ferris wheel with a radius of 74.0 meters and a period of 105.0 minutes. What normal force does person experience when they are at the bottom of the motion?
Suppose there is a cube made of copper. Initially, it has a net charge of zero. How will the electrons arrange themselves
falls to the safety net while the other speeds away, to reach another swing at the same height at that of the swing they left. Illustrate what should be the distance (in m) between the two swings?
A man can row a boat at a speed of 7.45 km/h in still water. If he is crossing a river where the current is 2.00 km/h, find what direction should his boat be headed
What is the mass of a puppy that sits on the other piston and balances the person?
A 191g oscillator has a speed of 96.50cm/s when its displacement is 2.70cm, What is the oscillators maximum speed
Two dogs pull horizontally on ropes attached to a post; the angle between the ropes is 60.0?. Dog A exerts a force of 272N , and dog B exerts a force of 346N. Find the magnitude of the resultant force
Draw a cube and Cartesian axes. All points of the cube lie in the (+,+,+) octant of the coordiante system. Determine the angle (in degrees) between the vectors OA and OC
A disk-shaped merry-go-round of radius 2.63 m and mass 155 kg rotates freely with an angular speed of 0.763 rev/s, Calculate the initial and final kinetic energies for this system.
An airplane traveling at 480 km/h needs to reverse its course. The pilot decides to accomplish this by banking the wings at an angle of 38o. Find the time needed to reverse course
A lawn mower has a flat, rod-shaped steel blade that rotates about its center. The mass of the blade is 0.59 kg and its length is 0.50 m. to what height would the blade rise
Two equally charged particles each have a mass of 0.015kg. They are suspended by a light string with a 60 degree angle between them. find the magnitude of the repulsive electric force
Consider an LR circuit like that displayed in Figure 6.6 in Activity 2-1 in your lab manual. You measure the current through the inductor as a function of time, What is the total resistance of the circuit
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