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Two blocks connected by a cord passing over a small, frictionless pulley rest on frictionless planes. (m1 = 101 kg, and m2 = 45 kg. Assume positive accelerations to be up and to the right for the left hand block, down and to the right for the right hand block.)
What is the magnitude of the accelerartion of the blocks?
What is the tension in the cord?
The technique known as potassium-argon dating is used to date old lava flows. The potassium isotope 40K has a 1.28 billion year half-life, What is the age of the rock
Two tiny conducting spheres are identical and carry charges of -16.6C and +56.3C, Determine the magnitude of the force that each sphere now experiences
How long does it take for amplitude to drop to half its initial value . How long does it take for mechanical energy to drop to half its initial value.
A storage tank 27 m high is filled with pure water, Calculate the magnitude of the net force that acts on a square access hatch at the bottom of the tank that measures 0.6 m by 0.6 m
How many electrons are there in a tablespoon. Find the tension in each cable. right cable and left cable.
a series RLC circuit contains a resistor of 20 ohms, a capacitor of 0.75 mF and an inductor of 120mH, what is the rms current operating at its resonance freq.
An observer moving at a speed of 0.860 c relative to a rod (Fig. P26.14) measures its length to be 2.00 m, What is the orientation angle in a reference frame moving with the rod
On a summer day, the air conditioning breaks down and the air in your classroom becomes very warm and muggy with a vapour pressure of 20 hPa and a temperature of 25o C.
A piece of copper wire joins a piece of aluminum wire whose diameter is twice that of the copper. The same current flows in both wires, Compare the drift speeds in each
Suppose that a disk rotates through five revolutions in 4 seconds. What is the angular rotational velocity
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 chair of weight 130 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 43.00 N directed at the angle of 35.0 degrees below the horizontal and the chair slides along the floor. Using Newton's law..
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