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A uniform ladder of mass (m) and length (L) leans against a frictionless wall. If the coefficient of static friction between the ladder and the ground is 0.51, what is the minimum angle (theta) between the ladder and the floor at which the ladder will not slip.
When are the displacement, velocity, and acceleration equal to zero for the motion of a mass on a spring? A. at maximum displacement B. at minimum displacement C. at the equilibrium position D. at a displacement of 2x E.at a displacement of 1/3x.
A 25.0-mW laser beam of diameter 2.00 mm is reflected at normal incidence by a perfectly reflecting mirror
A person pulls on the tether of a suitcase with a force of 15N at an angle of 60 degrees with the horizontal. what is the work done by friction in the same distance
A 5 g bullet moving with an initial speed of 530 m/s is fired into and passes through a 2 kg block. find the speed at which the bullet emerges from the block
A certain toaster has a heating element made of Nichrome resistance wire. What is the final temperature of the heating element
A fish uses an internal organ known as a swim bladder to change itsdensity so that it is equal to that of water, enabling it to remainsuspended under water
In a Hall-effect experiment, a current of 2.1 A sent lengthwise through a conductor 1.0 cm wide, 4.5 cm long, find the drift velocity of the charge carriers
At what distance from a concave spherical mirror of radius 30cm must an object be placed to form an enlarged, inverted image located 60cm from the mirror?
A solenoid in MRI is 2.40 m long, 94 cm in diameter, and 1200 turns of superconducting wire. Find a) inductance, b) induced emf in the solenoid while the current in the wire is changing from 0 to 2.5 kA in 30 s.
A shell is fired at an angle 30 degree to the horizontal with a velocity 196 m/s. Find the total time of flight horizontal range and maximum height attained.
Two ships are moving along a line due east. The trailing vessel has a speed of 16 km/h relative to a land-based observation point, What frequency is monitored by the leading ship
A coin placed 29.0 cm from the center of a rotating, horizontal turntable slips when its speed is 50.2 cm/s, What is the coefficient of static friction between coin and turntable
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