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A spring system in simple harmonic motion has a mass=4kg and k=9N/m.
(a) At time=0s, the block is offset from its equilibrium position and released from rest. Determine the trajectory of the block, x(t), when its initial displacement from equillibrim is (i) 5m/s and (ii) -5m/s.
(b) The block is offset from its equilibrium position at time t=0s. Determine the trajectory, x(t), of the block when its initial velocity, v0, is equal to (i) 5m/s and (ii) -5m/s
(c) At time=0s, the block is offset from equilibrium position by 5m and is in motion with velocity v0=5m/s. Determine the trajectory of the block.
A solid sphere with a radius of 75 mm rolls (without slipping#) down from rest along an inclined plane that is 5 m long. What angle does the plane make with the horizontal
An AC power generator produces51A (rms) at 3600 V. The voltage is stepped up to 100000 V by an ideal transformer, What percentage of the power delivered by the generator
On a frictionless, horizontal air table, puck A (with mass 0.250 kg) is moving toward puck B (with mass 0.370 kg), which is initially at rest. What was the speed of puck A before the collision
if a bullet with a mass of 0.008 kg is moving with a velocity of 454 ms and it hits a stationary block with a mass of
A coaxial cable has a center conductor and an outercylindrical conductor with an insulating material in between. What is the magnetic field outside the cable if a currentof 2 A is flowing to and from a device
A particular satellite was placed in a circular orbit about 161 mi above Earth. Determine the orbital speed of the satellite
A person eats a dessert that contains 230 kcal. The skin temperature of this individual is 36° C and that of her environment is 21° C. The emissivity of her skin is 0.85 and its surface area is 1.3 m2. How much time would it take for her to emit the ..
The upward normal force exerted by the floor is 720N on an elevator passenger who weighs 770N. What is the reaction force to weight of the passenger
A total current of 23 mA flows through an infinitely long cylinderical conductor of radius 4 cm which has an infinitely long cylindrical hole through it of diameter r centered at r/2 along the x-axis as shown. What is the magnitude of the magnetic..
In which one of the following circumstances could mechanical energy not possibly be conserved, even if friction and airresistance are absent? why?
Calculate the flux of F through a sphere of radius a, centered at the origin and the flux of F through a planar disk of radius a, parallel to the xy plane and centered at the z axis at z=H
A 1500 car travelling at 26 suddenly runs out of gas while approaching the valley that looks like an inverted hump. 12m at the left where the care runs out of gas and 19 m at the right were it is headed. What will be the car's speed as it coasts into..
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