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An object is attached to the lower end of a 100-coil springthat is hanging from the ceiling. The spring stretches by 0.124 m.The spring is then cut into two identical springs of 50 coils each.As the drawing shows, each spring is attached between the ceilingand the object. By how much does each spring stretch?
on a safari you are spear fishing while wading in a river. you observe a fish gliding by you. if your line of sight to
an unpolarized light beam traveling along the x-axis is sent into a system of three polarizers. the polarization axis
Determine the enthalpy change and internal energy change of ammonia in J/mole, as it is heated from 350 K to 600 K, using the ideal gas heat capacity given by the Shomate Equation.
A light bulb at point x in the frame of reference O blinks on and off at intervals, ?t = t2 - t1. Use the expressions for the Lorentz transformations to derive the expression for the time dilation relations ?t and ?t'
Discuss the relative merits of using the Biot-Savart law and Ampere's law to calculate the magnetic field around the wire. In this case, is it necessary to include the Maxwell correction to Ampere's law?
As part of a safety investigation, two 1400 cars travelling at 18 are crashed into different barriers. Find out the average forces exerted on (a) car that hits a line of water barrels and takes 1.8 to stop, and (b) car that hits a concrete barrier an..
Near the surface of the Earth, a beanbag is thrown at an angle ? = 45? from the top of a building a height h above the ground, what was the initial speed of the beanbag
On an air track, a 400.5g glider moving to the right at 2.00m/s collides elastically with a 500.5g glider moving in the opposite direction at 3.00m/s. find the velocity of the glider after the collision
A 82 kg object moves in a horizontal straight line withan initial speed of 53 m/s. If it is stopped along that linewith a deceleration of 1.50 m/s2, What distance does it travel while decelerating
q1. if air drag is negligibly small how fast is sequoia cone moving while it reaches the ground if it dropped from the
What is the least radius of the circular path? (b) At this radius, what is the force causing the centripetal acceleration of the pilot.
q1. a pipe open at one end has a fundamental frequency of 256 hz. a second pipeidentical to first pipe is shortened by
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