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A 2.00 kg frictionless block is attached to a horizontal spring as shown. At t = 0, the position x = 0.225 m, and the velocity is 4.25 m/s toward the right in the positive x direction. Position x as a function of t is: x = A*cos(?t ) , where A is the amplitude of motion and ? is the angular frequency discussed Chapter 11 and the notes. ? (a) What is the spring constant k? (b) Use conservation of energy to compute amplitude A.?(c) How much farther from the point shown will the block move before it momentarily comes to rest before turning around? (d) What is the period T of the motion? (e) If the mass of this problem was doubled to 4.00 kg, how would your answer to part (d ) change?
A shot fired with a velocity 100 m/s on a direction making an angle 60 degree with vertical. Calculate the time of flight
Three identical conducting spheres initially have following charges: sphere A, 5Q; sphere B, -7Q; and sphere C, 0. Spheres A and B is fixed in place, with a center-to-center separation that is much larger than the spheres.
As an energy-efficiency consultant, you're asked to assess the pumped-storage facility. Its reservoir sits 136 above its generating station and holds 9.0×10^9 of water. The power plant generates 315 of electric power while draining the reservoir over..
A hunter on a frozen, essentially frictionless pond uses a rifle that shoots 4.20g bullets at 960m/s. Find the recoil velocity of the hunter if he fires the rifle horizontally
A 9.3-V battery, a 5.04-? resistor, and a 10.9-H inductor are connected in series. After the current in the circuit has reached its maximum value, calculate the following. the power being supplied by the battery
An electric wire that has a mass of 5 kg for a 20m length is strung between two poles 20 m apart. What must be the tension in the wire if it is to take .80 seconds for a pulse to travel along the wire from one pole to the other.
An iron bolt of mass 75.0 g hangs from a string 32.4 cm long. The top end of the string is fixed. Find the magnetic force on the bolt
A concave shaving mirror has a focal length of 95 cm. find the image position of a cologne bottle placed in front of the mirror at a distance of 165cm. Calculate the magnification of the image. Is the image real or virtual? Is the image inverted o..
A very thin sheet of glass (n=1.5) floats on the surface of water (n=1.33). When illuminated with white light at normal incidence, What is the thickness of the glass
q1. why do cities directly east of the rockies such as denver colorado receive more precipitation than cities east of
Follow these steps to solve this problem: Two identical loudspeakers, speaker 1 and speaker 2, are 2.0 m apart and are emitting 1700-Hz sound waves into a room where the speed of sound is 340 m/s. Compute the path-length difference r
The capacitor in an LC circuit has a maximum charge at t= 1 ms. What is the circuit's period of oscillation
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