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A small ball of mass 28 g is suspended from a string of length of 37 cm and whirled in a circle lying in a horizontal plane. If the string makes an angle of 27 degrees with the vertical, find the centripetal force experienced by the ball. The acceleration of gravity is 9.8 m/s(squared).
Answer in units of N.
X- rays are created in a standard x-ray tube by accelerating electron across a potential difference of V and having the electrons collide with a metal target to eject x-ray. when the wavelength of the x-ray is measured using Bragg diffraction from..
A 1260 kg is pulling a 335 kg trailer. Together the car and trailer have the acceleration of 2.15 m/s squared. Find out the net force on the car-trailer combination.
A 25 kg bear slides, from rest, 12 m down a lodgepole pine tree, moving with a speed of 5.6 m/s just before hitting the ground. What is the average frictional force that acts on the sliding bear
A rocket fires two engines simultaneously. One produces a thrust of 760N directly forward while the other gives a thrust of 517N at an angle 39.6 above the forward direction
Determine the induced emf in a 0.50 meter rod moving with velocity of 2 m/s perpendicular to a field of 2 x 10-4 tesla
consider light from a helium-neon laser 632.8 nanometersstriking a pinhole with a diameter of 0.175mm . at what angle
You pull downward with a force of 32 N} on a rope that passes over a disk-shaped pulley of mass 1.2 kg and radius 0.07 5m. Find the linear acceleration of the 0.61 kg mass.
a 15kg child stroller is moving towards you with a speed of 2.5m/s. how much work is required to stop the stroller
A 15.19 µF capacitor is fully charged using a battery that supplies Vemf=121.1 Volt. Find what current will be flowing through the resistor after 3.871 second
A narrow beam of light with wavelengths from 450 nm to 700 nm is incident perpendicular to one face of a 32.00, What is the angular spread of the beam after passing through the prism
Emmy is standing on a moving sidewalk traveling with an initial velocity of 2 m/s, when she experiences some acceleration over the 5-second time period shown in the right-hand graph below. On the left-hand graph, construct a plot of Emmy\'s veloci..
A particle of charge +7.7 oC and mass 3.40 x 10-8 kg is traveling perpendicular to a 1.8-T magnetic field, as the drawing shows. The speed of the particle is 43 m/s. What is the value of the angle such that the particle's subsequent path will inte..
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