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Q. Tracks consist of a frictionless arc XY. Which is a quarter-circle radius R and a rough horizontal section YZ. Block A of mass M is released from rest at point X, slides down the curved section of the track, and collides instantaneously and in elastically with identical block B at point Y. the two block move together to the right, sliding pasy point P which is a distance L from point Y. The coefficient kinetic friction between the blocks and the horizontal part of the track is μ . Express your answer in terms of M, L, μ , R, and g
1) Determine the speed of the block A just before it hits the block
2) determine speed of the combined block immediately after collision
3) The specific heat capacity of the material use to make the block is C resolve the temperature rise that results from the collision in terms of C and the other given quantities.( suppose that no energy is transferred to the track or the surrounding air of the block)
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When two tuning forks of 146Hz and 161Hz, respectively, are sounded simultaneously, how many beats per second are heard.
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What is the magnitude
Charge of -3.30 nC and a charge of -6.25 nC are separated by a distance of 40.0 cm. Find out the position at which a third charge of +7.60 nC can be placed so that the net electrostatic force on it is zero.
find the vertical component of a baseball's velocity if the ball is thrown at a 28m/sec at an angle of 37 degrees with the horizontal.
A flute player hears four beats per second when she compares her note to the 523 tuning fork (the note C). She can match the frequency of the tuning fork by pulling out tuning joint to lengthen her flute slightly. What are the three possible value..
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