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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?
Margaret walks to the store using the following path: .500 miles west, .200 miles north, .300 miles east. What is her total displacement
You have a wire with a current that points upwards. If you put a compass east of that wire, how would the magnitude and direction of the total magnetic field change
The C note of the C-major scale on a piano has a fundamental frequency of 264Hz, and the A note has a fundamental frequency of 440Hz. determine the ration of tension in the two string
a closed Gaussian surface in the shape of a cube of edge length 2.03 m. What is the net charge (in Coulombs) contained by the cube
A boy kicks a football from ground level with an initial velocity of 20 m/s at an angle of 60 degrees above the horizontal. What is the horizontal distance to the point where the football hits the ground
1.0 kg of ice at temperature T' = 0 oC is melted into water at the same temperature by placing it in contact with a reservoir at temperature T = 22.1 oC. What is the change in the entropy of the universe to two decimal places
The spin cycles of a washing machine have two angular speeds, 431rev/min and 622rev/min . The internal diameter of the drum is 0.440m. Find the laundry's maximum tangential speed
A friend of yours is loudly singing a single note at 411 Hz while racing toward you at 25.5 m/s on a day when the speed of sound is 341 m/s.
a nuclear power reactor generates 2.5 times 109 w of power. in one year 365.25 days what is the change in the mass of
Determine the fraction of the magnitude of kinetic energy lost by a neutron (m1 = 1.01 u) when it collides head-on and elastically with a target particle at rest
The inner and outer surfaces of a cell membrane carry a negativeand positive charge, respectively. estimate the magnitude of the electric field in the membrane
occasionally an asteroid will break into fragments due to a collision. these fragments can leave the atsteroid belt and
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