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An object is attached to the lower end of a 100-coil spring that is hanging from the ceiling. The spring stretches by 0.210 m. The spring is then cut into two identical springs of 50 coils each. As the drawing shows, each spring is attached between the ceiling and the object. By how much does each spring stretch?
Vector A has a magnitude of 10m and makes an angle of 78o with the positive x axis. Vector B also has a magnitude of 13m and is directed along the negative x axis. Enter your answers in distance then angle (in degrees).
Find the speed of a satellite moving around the earth in a circular orbit that has a radius equal to three times the earth's radius of 6.38 106 m
A rod is initially at a uniform temperature of 0 o C throughout. One end is kept at 0oC , and the other is brought into contact with a steam bath at 100 o C.
Two force vectors point in opposite directions and have the same magnitude. If their magnitudes are 36.5 Newton’s, then what is the magnitude of their sum?
A spring is compressed by 0.0612 m and is used to launch an object horizontally with a speed of 1.64 m/s.at what angular frequency (in rad/s) would it oscillate
An Argon ion laser has a gain bandwidth of 2 GHz. Find the number of standing wave cavity modes within the gain bandwidth of the argon ion laser
A race car starting from rest accelerates at a constant rate of 6.50 m/s2. What is the velocity of the car
A rock is thrown downward into a well that is 8.90 deep. If the splash is heard 1.20 seconds later, what was the initial speed of the rock? Take the speed of sound in the air to be 343 m/s.
Where can a third charge be placed. To what common temperature must the two pieces be heated in order that the cylinder just fit over the piston.
A thin metallic spherical shell of radius 41.6 cm has a total charge of 8.05 ?C uniformly distributed on it. At the center of the shell is placed a point charge of 2.83 C. What is the electric field at a distance of 23.9 cm from the center of the ..
A long, straight wire carries a current I1 = 3.5 A and is a distance h =15 cm from a rectangular current loop that carries a current I2 = 1.5 A. What is the force exerted by the current loop on the wire
In a Carnot cycle the area for each transformation corresponds to the following work: (a) isothermal expansion: 31,165 J, (b) adiabatic expansion: 21,517 J, (c) isothermal compression: 24,282 J, (d) adiabatic compression: 21,517 J. Calculate (1) the ..
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