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a) A 0.339 kilogram pendulum bob passes through the lowest part of its path at a speed of 2.70 m/s. Determine the tension in the pendulum cable at this point if the pendulum is 72.0 centimeter long?
b) When the pendulum reaches its highest point, find what angle does the cable make with the vertical?
c) Determine the tension in the pendulum cable when the pendulum reaches its highest point?
a projectile is launched from the ground with an initial speed of 30 m/s at an angle of 40 degrees with respect to the horizontal. How far down range will the rocket have traveled
A student removes a 10.50 kg stereo from a shelf that is 1.802 m high. The amplifier is lowered at a constant speed to a height of 0.75 m. What is the work done by a) person and b) gravitational force that acts on the amplifier.
Sound with a frequency 730 Hz from a distant source passes through a doorway 1.05 m wide in a sound-absorbing wall. Find the number of the diffraction minima at listening positions along a line parallel to the wall
Two equal point charges repel each other with a force of 5.25 N. If they are separated by 4.0 cm, what is the magnitude of each charge
in an x-ray tube electrons are accelerated in a uniform electric field and then strike a metal target. suppose an
A disk7.97cm in radius rotates at a constant rate of1160rev/min about its central axis. Determine the radial acceleration of a point on the rim
Two positive point charges q1 = 12C and q2 = 48C are a distance 0.25 m apart. Find all the points where the total electric field is zero
A gunner wants to fire at a target at a horizontal distance of 12500 m from his position. If his gun fires with a muzzle speed of 700 m/s and if g = 9.81 m/s^2, what is the correct elevation angle
The minute hand of the Official Quiz Clock points to the 12 and is functioning normally until the quiz begins, How much quiz time do the students lose
Old naval ships fired 15 kg cannon balls from a 210kg cannon. It was very important to stop the recoil of thecannon, What was the speed of the cannon ball if the spring compressed50 cm when the cannon was fired
Susie is out fishing on a calm, sunny day. She hooks an old tire that is resting on the lake bottom, and hauls it into her boat
A string is 50cm long. When ball is released from rest itswings along an arc. how fast is it going at lowest point on arc
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