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A 1.83 kg book is placed on a flat desk. Suppose the coefficient of static friction between the book and the desk is 0.442 and the coefficient of kinetic friction is 0.240.
How much force is needed to begin moving the book?
How much force is needed to keep the book moving at constant speed once it begins moving?
A hydrogen atom initially in the ground state absorbs a photon, which excites it to the n = 12.0 state. Determine the frequency of the photon
A weightlifter stands up at constant speed from a squatting position while holding a heavy barbell across his shoulders, Draw a free-body diagram for the weight lifter
Two isotopes of a certain element have binding energies that differ by 4.7540 MeV. The isotope with the larger binding energy contains one more neutron than the other isotope. Find the difference in atomic mass between the two isotopes
In a women's 100-m race, accelerating uniformly, Laura takes 1.81 s and Healan 3.06 s to attain their maximum speeds, which they each maintain for the rest of the race.
A subway train starts from rest at a station and accelerates at a rate of 1.60 m/s squared for 14 seconds. Find the total distance covered
Two long straight wires are carrying current out of this page. Make the plane of this paper the x-y plane, and put one wire at the origin with 5 A., find the force per unit length on that wire
A 75-m long train begins unknown uniform acceleration from rest.The front of the train has a speed of 23 m/s when it passes arailway worker who is standing 180m from where the front of the train started. What will the speed of the last car be as i..
You measure the length of a distant car to be subtended by an angular distance of 1.0 degrees. approximately how far away is the car
A dialectric constant of 3 is inserted into a parallel capacitor, filling one-half of the volume as shown in the figure. If the capacitance of the capacitor without the dialectric is C,
A series RLC circuit has a resistance of 24 %u03A9 and an impedance of 100 %u03A9. what average power is delivered to the circuit
A car is moving down a street at 53 km/h. A child all of a sudden runs into the street. If it takes the driver 0.74s to react and apply the brakes, how many meters will the car have moved before it begins to slow down?
A roller coaster car has a mass of 500 kg loaded with passengers. The car passes over a hill of radius 15m, What is the force of the track on the car at the top of the hill
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