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A block is attached to the end of a horizontal ideal spring and rests on a frictionless surface. The other end of the spring is attached to a wall. The block is pulled away from the spring's unstrained position by a distance x0 = 0.050 m and released from rest. The period of the subsequent periodic motion of the block is 0.64 s.
At what distance from the unstrained position is the speed of the block equal to 0.30 m/s?
A 1.3 m length of wire carrying 5.9 A of current toward the south is oriented horizontally. Estimate the magnitude of the magnetic force on the wire due to the Earth's magnetic field of 5.5 ? 10-5 T at this point
The figure 23-32 shows a closed Gaussian surface in the shape of a cube of edge length 1.56 m. It lies in a region where the electric field is given by E = (3.63x + 2.67)i+ 6.69j + 6.82kN/C, with x in meters. What is the net charge (in Coulombs) cont..
A metallic sphere 1 of radius 1.00 cm is far away from a metallic spherical shell 2 of radius 2.00 cm. Charge 450 nC is placed on 1, with no charge on 2 or anywhere nearby. Next, the two objects are joined by a long, thin, metallic wire (as shown…..
A 4.0mW laser beam has its electric field vertical. what's the power of the transmitted beam
A hockey puck has a mass of 0.116 kg and is at rest. A hockey player makes a shot, exerting a constant force of 27.5 N on the puck for 0.16 s. With what speed does it head toward the goal
A two-stage rocket accelerates from rest at +3.27 m/s^2 for 6.82seconds. It then accelerates at +2.98 m/s^2 for another 5.90seconds. After the second stage, it enters into a state of freefall.
A 4.7 "kilo" bag of sugar is on a counter. How much work is required to put the bag on a shelf a distance of 0.57 m above the counter
On a banked race track, the smallest circular path on which cars can move has a radius of 111 m, while the largest has a radius 153 m, Find the smallest speed at which cars can move on this track without relying on friction
A 60 kg gymnast holds an iron cross position on the rings. What torque is exerted by the right ring about the right shoulder joint
An 8.00 g bullet is fired into a 230 g block that is initially at rest at the edge of a table of 1.00 m height. The bullet remains in the block, and after the impact the block lands d = 1.8 m from the bottom of the table. Decide the initial speed of ..
A computer hard disk starts from rest, then speeds up with an angular acceleration of 200.0 rad/s2 until it reaches a final angular speed of 7300.0 rpm. How long does it take for the disk to reach this angular speed
What is the thermal kinetic energy in 1 kg of oxygen gas at 20°C, What fraction of this energy is translational
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