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Two blocks on a frictionless horizontal surface are on a collision course.One block with mass 0.25 kg moves at 1 m/s to the right collides with a 0.5 kg mass at rest and the two masses stick together. What is the final speed of the blocks after the collision?
Two pieces of the same metal, however of different mass and at different initial temperature, come in thermal contact. When the two pieces reach thermal equilibrium, which one will have greater temperature change? Assume that the two pieces form a cl..
In fact, it is found that if the heavier mass is given a downward speed of 0.30 m/s, it comes to rest in 6.5 second. Find the average frictional torque acting on the pulley
A mass is attached to a vertical spring, which then goes into oscillation. At the high point of the oscillation, What is the period of oscillation
A particle moves from Xi = 0 to Xf = 5.0 meter while being acted upon by a single force F = 3X^2 directed along the X axis. Calculate the change in the kinetic energy during this motion
A photographer uses his camera, whose lens has a 50 mm focal length, to focus on an object 3.5m away. How far must the lens move to focus on this second object
Scientists working in field of nanotechnology use either atop-down or bottom-up approach to construct tiny objects. Give andexampleof a visible structure that was made using the bottom-upapproach and one that was made using top-down approach.
A firecracker resting on a level street explodes into three pieces of equal mass. Immediately after the explosion, the first piece is moving north at 125 m/s, and the second piece is moving east at 75.0 m/sec. What is the velocity of the third piece ..
A thin spherical shell of mass 0.450 kilogram and diameter 0.230 meter is filled with alcohol (ρ = 806 kg/m3). Compute the acceleration of the alcohol-filled shell
One of the many isotopes used in cancer treatment is 79198Au, with a half-life of 2.70 d. Determine the mass of this isotope that is required to give an activity of 300 Ci
a particle has a velocity u 0.59c in the labortory. the laboratory is itself moving with velocity v 0.81c relative to
one ball of mass 575 g traveling 3.50 m/s to the right collides with another ball of mass 425 g that is intially at rest. what is the velocity of the heavier ball
Find out the coefficient of sliding friction
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