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A mass m1 is attached to a wire of linear density 5.4 g/m, and the other end of the wire run over a pulley and tied to a wall as shown in Fig. The speed of transverse waves on the horizontal section of wire is observed to be 20 m/s. If a second mass m2 is added to the first, the wave speed increases to 45 m/s. Find the second mass. Assume the string does not stretch appreciably.
a metal block of mass 1.220 kg is hanging from a string. the tension in the string is 7.712 n. the block is submerged
A box starts out at the top of a frictionless ramp, then slides down. The ramp has a heighth=3meters and a slope of5degrees with respect to the ground. What is the total mechanical energy of the box at the top of the ramp
a dogs hair has been cut and is now getting 1.04 mm longer each day. with winter coming on this rate of hair growth is
a line of positive charge is formed into a semicircle of radius r 57.1 cm.the charge per unit length along the
consider a system of particles in three dimensions with momentum p and energy E=cIpI,c being the constant.the system is maintained at the inverse temperature 'bita' , volume 'V' and chemical potential 'mu'.
A speed ramp at an airport is basically a large conveyor belt on which you can stand and be moved along. The belt of one speed ramp moves at a constant speed such that a person who stands still on it leaves the ramp 66 s after getting on.
this simulation can be downloaded from granthams website under ph220.simulations its file name is ball on roller cstr
The potential in a region between x = 0 and x = 6.00 m has a linear relation, Calculate the potential at the following positions: x = 0, 3.00 m and 6.00 m and also find magnitude and direction
A bicycle wheel of radius 0.6 m is spinning at a rate of 120 revolutions per minute. What is the period of the wheel's motion
An insulated Thermos contains 123 cm3 of hot coffee at 73 °C. You put a 12.0 g ice cube at its melting point to cool coffee. By how various degrees has your coffee cooled one time the ice has melted and equilibrium is reached? Treat the coffee as tho..
One long wire lies along an x axis and carries a current of 43 A in the positive x direction. What is the magnitude of the resulting magnetic field at the point (0, 0.90 m, 0)
Two particles are at the same point at the same time, moving in the same direction. Par-ticle A has an initial velocity of 7.7 m/sandnan acceleration of 2.5 m/s2. Particle B has an initial velocityof 3.4 m/s and an acceleration of 5 m/s2.
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