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Two objects with masses of 2.50 kg and 5.90 kg are connected by a light string that passes over a frictionless pulley, as in the figure below.
(a) Determine the tension in the string. (Enter the magnitude only.)
(b) Determine the acceleration of each object. (Enter the magnitude only.)
(c) Determine the distance each object will move in the first second of motion if both objects start from rest.
Ilustrate what is the magnitude of the torque about his shoulder if he holds his arm in each of the following ways? Straight out to his side, parallel to the floor.
Find the minimum diameter of an l = 16.3 m long steel wire that will stretch no more than 7.39 mm when a mass of 343 kg is hung on the lower end
In one minute of rotation, through how various revolutions did fan turn?
A person carries a long pole of mass 20 kg and length 3.4 m at the angle of 60 degrees. Find the magnitude of the torque on the pole due to gravity.
If n=10, what is the largest value of the angular momentum l in this shell, How many electrons can be placed in this shell
The spheres are brought into contact and then separated to a distance of 2.40 cm. Determine the magnitude of the force that each sphere now experiences, and state whether the force is attractive or repulsive.
The temperature of 2.00 moles of argon gas is lowered from 2.80 102 K to 1.90 102 K. Find the change in the average kinetic energy per atom
6.00 mole of nitrogen (N2) gas and 6.00 mole of argon (Ar) gas are in separate, equal-sized, insulated containers at the same temperature. What is the change in entropy of the environment
One of your friends pulls on a rope with 3 units of force and other pulls on a second rope with 5 units of force, How hard and what direction must you pull
Your car's fan belt turns a pulley at 3.15rev/s . When you step on the gas for 1.55s , find Through what angle did the pulley turn while accelerating
The brakes are applied to a car traveling on a dry, level highway. A typical value for the magnitude of the car's acceleration is 5.45 m/s2. If the car's initial speed is 33 m/s, how long does it takes to stop and how far does it travel, starting ..
a 200 ohms resistor and a .4 H inductor are connected in series with a voltage source having amplitude of 30 v, what is the current amplitude
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