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A 4-kg block A is dropped from a height of 800 mm onto a 9-kg block B which is at rest. Block B is supported by a spring of constant k = 1500 N/m and is attached to a dashpot of damping coefficient c = 230 N .s/m. Knowing that there is no rebound, determine the maximum distance the blocks will move after the impact.
Two identical +9.5uC point charges are initially 3.5cm from each other. If they are released at the same instant from rest, hoe fast will each be moving when they are very far away from each other? suppose they have identical masse of 1mg.
A large wooden turntable in the shape of a flat disk has a radius of 2.25m and a total mass of 135kg, Find the angular speed of the turntable after the parachutist lands
A jet engine emits sound uniformly in all directions, radiating an acoustic power of 3.89 × 102 kW, calculate the corresponding sound intensity level
Given the mass of the rubber in the balloon is 1.40 g, what is the net vertical force on the balloon if it is let go, Calculate the buoyant force on a 2.00 L helium balloon.
at a certain point on earths surface in the southern hemisphere the magnetic field has a magnitude of 4.9 10-5 t and
a nonconducting solid sphere of radius 10.4 cm has a uniform volume charge density. the magnitude of the electric field
an accelerator increases the total energy of electrons uniformly to 10 gev over a 3000 m path. that means that at 30 m.
A radio-controlled model airplane has a momentum given by [(-0.75kgm/s3)t2+(3.0kgm/s)]i^+(0.25kgm/s2)tj^ , where t is in seconds. What is the x -component of the net force on the airplane? Express your answer in terms of the given quantities.
A positron is a particle with the same mass as an electron but the opposite charge (+e). If a positron is accelerated by a constant electric field of magnitude 347 N/C, find the following. Find the acceleration of the positron.
a 0.346kg glider moves along a frictionless level air track tugged by a mass of 0.050kg suspended vertically over a pulley
A solenoid in MRI is 2.40 m long, 94 cm in diameter, and 1200 turns of superconducting wire. Find a) inductance, b) induced emf in the solenoid while the current in the wire is changing from 0 to 2.5 kA in 30 s.
A uniform rod rotates in a horizontal plane about a vertical axisthrough one end. The rod is 6.00?m long,weighs 11.0?N, and rotatesat 210 rev/min clockwisewhen looked at from above.
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