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A 1.5-kg block B is connected by a cord to a 2-kg block A, which is suspended from a spring of constant 3 kN/m. Knowing that the system is at rest when the cord is cut, determine
(a) the frequency, the amplitude, and the maximum velocity of the resulting motion,
(b) the minimum tension that will occur in the spring during the motion,
(c) the velocity of block A 0.3 s after the cord has been cut.
An object moving to the right at 0.8c is struck head-on by a photon of wavelength lambda, moving to the left. The object absorbs the photon (i.e. the photon disappears) and is afterward moving to the right at 0.6c. Determine the ratio of the objec..
A 0.14- kg block on a wooden table is given a sharp blow with a hammer. The block then slides across the table to a stop. How far does the block go
A projectile is fired horizontally along the earth's surface. Show that to a first approximation the angular deviation from the direction of fire resulting form the Coriolis force varies linearly with time at a rate cosωθ, where ω is the angular f..
A student makes a voltage divider from a 45-V battery, a 475-k\Omega (475 x 103\Omega) resistor, and a 235-k\Omega resistor. The output is gauged across the smaller resistor. What is the voltage?
A house has a floor area of 115 m2 and an outside wall that has an area of 24 m2. Determine the magnetic flux through the wall if the wall faces east
Halley's comet moves about the Sunin an elliptical orbit, with its closest approach to the Sun being0.59 A.U. and its greatest distance being 35 A.U. what is its speed when it isfarthest from the Sun
A block of ice with mass 2.00 kg slides0.685m down an inclined plane that slopes downward at an angle of 38.0?, If the block of ice starts from rest, what is its final speed
The density of a 4.07-m long rod can be described by the linear density function ?(x) = 117 g/m + 15.1x g/m2. Determine the total mass of the rod
a a tennis ball is dropped from 1.51 m above the ground. it rebounds to a height of 0.822 m.with what velocity does it
You throws a ball with mass 0.40 kg against a brick wall. It hits the wall moving horizontally to the left at 30 m/s and rebounds horizontally to the right at 20 m/s. Find the impulse on the ball during its collision with the wall.
Question on center of gravity Discover speed of each block
Two co-centric hollow spheres have radii of R1 and R2 and have uniform surface charge densities s1 and s2. The two charge densities are positive. Derive an expression for the electric field
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