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A block with mass m =7.0 kg is hung from a vertical spring. When the mass hangs in equilibrium, the spring stretches x = 0.2 m. While at this equilibrium position, the mass is then given an initial push downward at v = 4.2 m/s. The block oscillates on the spring without friction. 1) What is the spring constant of the spring? 2) What is the oscillation frequency? 3) After t = 0.32 s what is the speed of the block? 4) What is the magnitude of the maximum acceleration of the block? 5) Where is the potential energy of the system the greatest? A) At the highest point of the oscillation. B) At the new equilibrium position of the oscillation. C) At the lowest point of the oscillation.
Zach, whose mass is 55kg , is in an elevator descending at 14m/s. What is Zach's apparent weight while the elevator is braking
question1an 8.00 point mass and a 15.0 point mass are held in place 50.0 apart. a particle of mass is released from a
Two bicyclists, starting at the same place, are riding toward the same campground by two different routes. how far is the second cyclist from the campground
An electron is initially at rest just outside a large copper surface that has the charge density of 1.20 x10-6 C/m2. How far has the electron moved in 1.07 x10-9 s if the field is uniform over this region.
Two circular disks, each of area 1.90E-4 m2, are situated parallel to one another. The distance between them is small compared with their radii, Compute the force exerted by one on the other
The maximum torque experienced by a coil in a 0.82-T magnetic field is 9.6 x 10-3 N·m, What is the length of the wire from which the coil is made
A cannon is aimed at an angle of 30 degrees above the horizontal. It fires a cannonball into the direction of a valley with a muzzle velocity of 100m/s. What is the maximum height of the ball
An electric field of magnitude 190 V/m is directed perpendicular to a circular planar surface with radius 6.39 cm, determine the magnitude of the magnetic field at a radial distance 11.1 cm away from the center of the circular area
You own a rectangular property measured as 3.2 ± 0.1 ft by 125 ± 4 ft. Find the area of the property, with the expected uncertainty
A proton is located at x = 1.0 nm, y = 0.0 nm and an electron is located at x = 0.0 nm, y = 4.0 nm. Find the attractive Coulombic force between them
If a point charge is located at the center of a cube and the electric flux through one face of the cube is 5.0Nm^2/C, what is the total flux leaving the cube
A person can jump a horizontal distance of 2.80m on Earth. How far could the person jump on the moon, where the free-fall acceleration is g/6 and g=9.81 m/s2?
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