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A uniform rod of mass 4.2 kg and a length of 1.0 m is hinged to a wall at the left end and held in a horizontal position by a taut string. Then, the string is released. If the hinge is rusty and exerts a frictional torque of 5.0 Nm, then find:
a) the resulting angular acceleration of the rod?
b) the tangential acceleration of a point along the rod 0.85 m away from the hinge?
c) the tangential acceleration of a point along the rod 0.25 m away from the hinge?
Suppose that an Egyptian farmer claims to have discovered a linen burial cloth used during Egypt's Middle Kingdom some 4000 years ago, How old is the cloth
A wheel has a radius of 0.5 m. If the wheel rotates on its axis through an angel of 46 degrees, what distance does a point on the rim of the wheel move
The coefficient of kinetic friction between a 20 Kg box and the floor is 0.40. How much work does a pulling force do on the box in pulling it 8.0 m at the constant speed? The pulling force is directed 390 above the horizontal.
Let be the magnitude of the kinetic energy of puck A at the instant it reaches the finish line. Likewise, is the magnitude of the kinetic energy of puck B at the (possibly different) instant it reaches the finish line.
Two speakers, 6.00 m apart, are driven by the same audio oscillator so that each one produces a sound consisting of two distinct frequencies, 1000 Hz and 1360 Hz. The speed of sound in the room is 350 m/s.
Consider a Hydrogen atom with the electron in the n = 8 shell. What is the energy of this system, How many electrons would fit in this main shell
Illustrate what is the time it takes for the bullet to hit the ground, how far down range does the bullet travel, and what is the resultant velocity (in m/s) and final angle?
At what speed (m/s) would a 1140-kg car have the same momentum as a 12,600-kg truck traveling at17.8km/hr,What is the car's change in momentum
What is a unique characteristic of water between 0 and 4 degrees celcius - Need a question pertaining to heat and temperature dealing of course in physics.
A rod of length L carries a uniform linear charge density of 5 nC/m. find the electric field due to this rod at a distance of 20cm
what is the acceleration of the wallet. If the contact between ball and ground lasted 1.6ms, what average force was exerted on ball.
A positron (q = +e) moves at 3.2 multiply.gif 107 m/s in a magnetic field of magnitude 0.46 T. What is the angle between the velocity and the field
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