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A 0.40 kg mass, attached to the end of a 0.75 m string, is whirled around in a circular horizontal path. If the maximum tension that the string can withstand is 450 N, then what maximum speed can the mass have if the string is not to break?
A ray of light is incident on a flat mirror at an angle?. If we then rotate the mirror by 10° while keeping the incident ray fixed, by what angle will we rotate the reflected ray
In the absence of air resistance, a projectile is launched from and returns to ground level. It follows a trajectory similar and has a range of 26 m. Suppose the launch speed is doubled, and the projectile is fired at the same angle above the grou..
a 120 g ball attached to a spring with spring constant 2.9 nm oscillates horizontally on a frictionless table. its
A grating has 776 lines per centimeter. Find out the angles of the first three principal maxima above the central fringe when this grating is illuminated with 603 nm light.
A fireman 44 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of 22° above the horizontal. If the speed of stream as it leaves the hose is 40m/s, at what height will stream of water strike the buil..
If 2 waves are traveling through a container with nitrogen gas. The Amplitude of the first wave is .3cm and the amplitude of the 2nd wave is .9cm. Which wave is going fastest and which one has more energy?
question1a 1201.0 n uniform boom of length l is supported by a cable. the boom is pivoted at the bottom the cable is
Mounted on a low-mass rod of length 0.52 m are four balls. Two balls each of mass 0.89 kg, are mounted at opposite ends of the rod. What is the moment of inertia of the device about its center
A capacitance of is connected to an alternating emf of frequency 100 cycles/second. What is the capacitive reactance
Closed gaussian surfuce in the shape of a cube of edge length 2.00 m, with one corner at x=5.00m, y=4.00m, what is the net charge contained by the cube
A jetliner is moving at a speed of 216 m/s. The vertical component of the plane's velocity is 79.70 m/s. establishes the magnitude of the horizontal component of the plane's velocity.
Two horizontal curves on a bobsled run at the similar angle, but one has twice the radius of the other. The safe speed (no friction needed to stay on the run) for the smaller radius to curve is v. What is the safe speed on the larger radius curve.
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