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A 2.0-kg object is attached to a spring (k=55.6 N/m) that hangs vertically from the ceiling. The object is displaced 0.045m vertically. When the object is released, the system undergoes simple harmonic motion. What is the magnitude of the maximum acceleration of the object?
A laser beam of unknown wavelength passes through a diffraction grating having 5530 after striking it perpendicularly. At what angle will the next pair of bright spots occur
A wire 25.1 m long and 6.00 mm in diameter has a resistance of 15.0 m. A potential difference of 27.0 V is applied between the ends. Calculate the resistivity of the wire material
A small ball is attached to one end of a spring that has an unstrained length of 0.204 m. The spring is held by the other end, What is the maximum acceleration of the eardrum
A 4 kg block is acted upon by three horizontal forces. 10n (to left) 5n(short arrow to right) 25n to right. what is the horizontal acceleration of the block
An object is 22cm in front of a diverging lens with a focal length of 11cm. Is the image upright or inverted
Two people are carrying a uniform wooden board that is 3.40m long and weighs 145N. What force does the other person lift
When yellow light from a sodium lamp shines on a certain photocell, What potential would be needed to stop the electrons if light with 4000 A is used
If there are two point along the x-axis, positive q to the right and -q to the left of the orgin. Both with the distance a/2 from the orgin, Find the electric field at that point without using derivatives
When she stands 3.5m from you, what is the height of her image formed on the retina of your eye, What is the height of her image when she is 4.5 m from you
What is the focal length of a meniscus lens that has a convex surface of radius 32 cm and a concave surface of radius -16 cm
One day when you come into physics lab you find several plastic hemispheres floating like boats in a tank of fresh water. Each lab group is challenged to determine the heaviest rock that can be placed in the bottom of a plastic boat without sinkin..
q1. a certain groove in phonograph record moves past the needle at 36 cms. if the wiggles in the grove are 0.1 mm apart
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