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Consider two masses that hang from an overhead beam. The first mass of 62.9 kg is attached to the beam using an ideal rope. The second mass of 30.5 kg is attached to the first mass with an ideal rope and hangs directly under the first mass.
(a) Find the tension in the lower rope.
(b) Find the tension in the upper rope.
White light shines through a diffraction grating and onto a screen, What is the number of lines per (mm) for this grating and What is the number of lines per (cm)
if ellis is on earth, mario is on mars and monique is on the moon. they all have a mass of 50kg. they all jump off a trampoline. who will jump the highest. find what is the Tension T2 in the left.
A mass of 1.2 kg is attached to a single spring and set into oscillation. The period of the spring oscillation is measured to be 4.80 seconds. What is the phase constant for the oscillation
A sphere of radius R = 0.325 m and uniform charge density -151 nC/m3 lies at the center of a spherical, find the magnitude of the electric field at the following radial distances from the center of the charge distribution
A person walks first at a constant speed of 4.80 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 3.30 m/s. What is her average speed over the entire trip?
A distance away from a uniformly charged spherical object, the magnitude of the electric field is 575V/m and the electric potential is 3.50kV. (a) What is the distance to the center of the object? (b) What is the magnitude of the charge?
A charged particle with a charge-to-mass ratio of |q|/m = 5.7 × 108 C/kg travels on a circular path that is perpendicular to a magnetic field whose magnitude is0.71 T
The coefficients of friction for plastic on wood are μs = 0.50 and μk = 0.40. How much horizontal force would you want to apply to a 4.0-lb plastic calculator to start it moving from rest.
A concave mirror has a focal length of 20 cm. What is the position (in cm) of the resulting image
A 0.30 kg object is attached to a spring with force constant 167 N/m so that the object is allowed to move on a horizontal frictionless surface. Find the force on the object
One day when you come into physics lab you find several plastic hemispheres floating like boats in a tank of fresh water. What is the mass of the heaviest rock that, in perfectly still water, won't sink the plastic boat
A shopper in a supermarket pushes a loaded 28 kg cart with a horizontal force of 12N. How far will the cart move in 3.5s, starting from rest.
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