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The 20-cm-long wrench in the figure swings on its hook with a period of 0.74s. When the wrench hangs from a spring of spring constant 350N/m , it stretches the spring 3.5cm .
What is the wrench's moment of inertia about the hook?
An oxygen bubble at the bottom of a lake 20. m deep has a volume of 1.20 cm^3, calculate the initial pressure inside the bubble at the bottom of the lake
How far below the top of the well is the surface of the water. If you ignored the travel time for the sound, what would have been the calculated depth.
Calculate the location of the center of mass of the Earth-Moon-Sun system during a full Moon. A full Moon occurs when the Earth, Moon, and Sun are lined up. make Use of a coordinate system in which the center of the sun is at x=0 and the Earth and..
What is clowns total displacement
At one instant a bicyclist is 40m due east of a park's flagpole, going due south with a speed of 10m/s. Then 30.0s later, the cyclist is 40m due north of the flagpole.
if a river flows due east at 1.68m/s. a boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 13.40m/s due north relative to the water. if the river is 178m wide, how far downstream is the boat when i..
Two sound sources radiating in phase at a frequency of 485 Hz interfere such that maxima are heard at angles of 0 and 22° from a line perpendicular to that joining the two sources. Find out the separation between the two sources.
A gear system uses 300 joules of energy to move a 20-newton mass 10 meters to the right. How much energy was converted to heat
A coffee filter of mass 1.5 grams dropped from a height of 1 m reaches the ground with a speed of 0.7 m/s. How much kinetic energy Kair did the air molecules gain from the falling coffee filter.
A magnifying glass has a converging lens of focal length of 18.80cm. At what distance from a nickel must you hold this lens to get an image with a magnification of +2.47.
The convex lens of a copy machine has a focal length of 25 cm. A letter to be copied is placed 40.0 cm from the lens.
A planar electromagnetic wave is propagating in the +x direction. What is the Poynting vector at the point P at that instant
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