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A 60.0-g object is attached to a horizontal spring with a force constant of 15.0 N/m and released from rest with an amplitude of 25.0 cm. What is the velocity of the object when it is halfway to the equilibrium position if the surface is frictionless?
A car is travelling at 26 m/s when the driver spots a large pothole in road a distance 34 m ahead. She at once applies her brakes. If her acceleration is -7.5 m/s2, does she manage to stop before reaching the pothole.
A construction worker accidentally drops a brick from a high scaffold. What is the velocity of the brick after 4.0 s
An 8.00 gram bullet is fired into a 250gm block that is initially at rest at the edge of a table of height 1.0 m. The bullet remains in the block, and after the impact the block lands 2.0 meters from the bottom of the table. Find out the initial s..
Calculation of the ground state of one-dimensional harmonic oscillator using variational Monte Carlo method and How do you know the minimization is good enough?
A box weighing 250-N is supported by the cable; the tension in the cable is 120-N. How much time elapses as box falls (starting from rest) 15.0 m.
Two small spheres hang in equilibrium at the bottom ends of threads, 40.0 cm long, Find the distance between the centers of the spheres
A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 15.0° below the horizontal. Find the length of time the car is in the air
An air-track glider attached to a spring oscillates with a period of 1.50s . At t=0s the glider is 4.50cm left of the equilibrium position, obtain the phase constant
Charge q1 = 8.5 nC is located at the coordinate system origin, while charge q2 = 3.7 nC is located at (a, 0), In Joules, what is the total potential energy U of the final configuration of three charges
An excellent laboratory vacuum has a pressure of 5.00 multiply.gif 10-18 atm, ow many gas molecules are there per cubic centimeter in such a vacuum at 290 K
What is the focal length of the contact lenses that will enable him to see distant objects clearly
An engine has a hot-reservoir temperature of 910 K and a cold-reservoir temperature of 530 K. What is the efficiency of the engine
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