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A thin hoop of mass M and radius R rolls without slipping down a ramp with height h. It then rolls onto a flat frictionless surface (where it can slip) and impacts a spring with spring constant k. Assuming there is no friction between the hoop and the spring, what is the maximum compression of the spring?
When armature is rotated by half revolution, its magnetic polarity changes. Why is it necessary to change the polarity of armature magnet? Explain how does the change take place
Suppose now that the apparatus, initially open, is now sealed with the air inside. If the apparatus is now heated to to 888o C, find the pressure inside the apparatus now.
if a curve with a radius of 74m is perfectly banked for a car traveling 71kmh what must be the coefficient of static
The current from an AC source is given by: I(t) = 6.50 sin(84.0 t + 1.090 ) mA, What would the phase shift be in degrees
Assume that light of a single color, rather than white light, passes through two slits 0.50 mm apart, determine the light's wavelength
An electron of mass m leaves one end of a TV picturetube with zero initial velocity and travels in a straight line toan accelerating grid, Find the time to reach the grid
Presume electrons move through a copper wire at speed v. Call the linear charge densities in the Earth reference frame Ep for the fixed positive ions in the wire and En for the (negative) electrons.
Assuming you have a detection limit (lowest activity you can measure to a predetermined confidence level) of 20 Bq on you filter measuring system, how much air would you have to sample through your filter to be able to detect the naturally occurri..
A 3.00-kg block starts from rest at the top of a 35.5° incline and slides 2.00 m down the incline in 1.50 s, Find the frictional force acting on the block
a 3 kg box is released from rest on a smooth curved surface 5 m above the bottom as shown. at the bottom the box
Calculate the value for the acceleration due to gravity. Find the uncertainty in your value of the acceleration due to gravity
What is effectiveness of battery as an energy storage device
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