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A 50.g dart rests up against a spring that has been compressed 0.050 meters.
a. If 1.25 J of work were required to compress the spring, what is the spring constant?
b. What is the maximum velocity of the dart after the spring has transferred its energy to it?
c. If the dart were fired vertically, what height would it reach?
A plastic plano-concave lens has a radius of curvature of 50 cm for its concave surface. what is the power of the lens
A 20x telescope has a 12-cm diameter objective lens. What minimum diameter should the eyepiece lens have to collect all the light rays from an on axis distant source.
Light from a sodium lamp (lamda=589 nm) illuminates two narrow slits. The fringe spacing on a screen 150 cm behind the slits is 4.0 mm. What is the spacing (in mm) between the two slits
A 600-turn solenoid is 21cm long and 1.7cm in diameter and carries 67 mA. How much magnetic energy does it contain
A mass m1 = 8.99 kg at rest on a horizontal frictionless surfaceand connected to a wall by a spring with k = 70.0N / m collides with a second mass m2 = 5.00 kg, What is the maximum compression of the spring
The radius of Venus's orbit is 0.72 times that of Earth's orbit. How much stronger is the Sun's gravitational field at Venus than at the earth.
a bicycle is turned upside down in the shop being repaired. a friend spins the wheel, radius R, and notices that water drops fly off the wheel tangentially to the wheel, calculate the average velocity V during one revolution
Compute gauge pressure of the flowing water
A block with mass of .6 kg has an initial speed of 4 m/s and slides along a horizontal surface with a kinetic frictional force of 700 N. How far will the spring be compressed
A man is dragging a trunk up the loading ramp of a mover's truck. The ramp has a slope angle of 20.0 degrees, Find the vertical component of the force
The south pole of a bar magnet sits inside a rectangular, closed Gaussian surface, while the north pole sits outside. What is the magnetic flux through the closed surface
Light from a sodium light with wavelength 589 nm illuminates two narrow slits. The fringe spacing on a screen 180 cm from the slits is 5.00mm. what is the spacing d between the slits
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