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Two wires support a massive beam of length L=16 m as shown in the figure above. A box hangs from a wire which is connected a distance of 12 m from the left edge of the beam. The tension in the left support wire is 500 N and the tension in the right support wire is 600 N. What is the mass of the box?
A heavy piece of hanging sculpture is suspended by a 146.0 cm long, 8.03 gm wire. When the wind blows hard, wire hums at its fundamental frequency of 113.0 Hz. What is the mass of the sculpture (in kg) assume that the local acceleration due to gravit..
An 85 kg linebacker is running at 8 m/s directly toward the sideline of a football field. Determine their common speed and direction immediately after they collide
What angular acceleration is necessary to increase the angular speed of a fan blade from 8.9 rad/s to 15.7 rad/s in 5.4seconds? answer in units of rad/s2
The second person, on the opposite side of the lock, pulls at an angle of 45o. Illustrate with what force should the second person pull so that the net force on the raft is in the forward direction?
suppose you wish to make a solenoid whose self-inductance is 1.0 mh. the inductor is to have a cross-sectional area of
while driving behind a car traveling at 3.55 ms you notice that one of the cars tires has a small hemispherical bump on
What is the distance delta y between the two points that you observe? suppose that the plates have length d , and use e and m for the charge and the mass of the electrons, respectively.
In creating his definition of horsepower, James Watt, the inventor of the steam engine, calculated the power output of a horse operating a mill to grind grain or cut wood.
a 0.150 kg particle moves along an x axis according to xt -13.00 2.00t 4.50t2 - 3.50t3 with x in meters and t in
A meter rule is balanced at the 70 cm mark by placing a 200-g mass at the 80 cm mark. At what point will the ruler balance if the 200-g mass is moved to the 90 cm mark?
catapult fires an 800-kg rock with an initial velocity of 100 msat a 40deg angle from ground. what is the magnitude of
Your friend is catching a falling basketball after it has passed through the basket. Her hands move straight down while catching the ball. Determine the average force that her hands exert on the ball while catching it
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