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Figure 1 = a pulley on top of triangle...one block to left of the pulley is2kg .... triangle = 30 degree angle....second block = m
A) Assume that all surfaces in the figure are frictionless. What value should have so the masses won't accelerate? Express your answer to two significant figures and include the appropriate units.
B) Now take mk=0.10 on all surfaces andm=0.50kg. What will be the acceleration of both masses? Express your answer to two significant figures and include the appropriate units.
The threshold of dark-adapted (scotopic) vision is 8.0 ? 10-11 W/m2 at a central wavelength of 450 nm. how many photons per second enter the eye
A 5.81 10-5 H solenoid is constructed by wrapping 70 turns of wire around a cylinder with a cross-sectional area of 8.10 10-4 m2, Determine the change in the length of the solenoid
The temperature of 2.00 moles of argon gas is lowered from 2.80 x 10^2 K to 1.90 x 10^2 K. Find the change in the average kinetic energy per atom.
A 41.4-cm diameter disk rotates with a constant angular acceleration of 2.30 rad/s2. Find the angular speed of the wheel
The primary coil of a transformer has 3,802 loops. The secondary coil has 602,030 loops. The primary coil has a 97 A current and 2 V. ) Determine the power of the primary coil......W. Assuming no losses, determine the power of the secondary coil......
A particle starts at rest at point p and moves to point q with uniform acceleration, Find the distance between p and q. Also find the acceleration of the particle
A spring with spring constant k is initially compressed a distance x from its equilibrium length. After returning to its equilibrium, the spring is then stretched a distance x from that position. What is the ratio of the work that needs to be done on..
question1in a ldquorotor-riderdquo at a carnival people rotate in a vertical cylindrically wallednbspldquoroom.rdquo if
The light shining on a diffraction grating has a wavelength of 457 nm (in vacuum). How many lines per centimeter does the grating have
A blood transfusion is being set up in an emergency room for an accident victim. What is the distance h above the victim's arm where the level of the blood in the transfusion bottle should be located
In a test run,a certain car accelerates uniformly from zero to 20.2m/s in 2.95s. How long does it take the car to change its speed from 10.01m/s to 20.02m/s
A copper block is removed from a 300° C oven and dropped into 1.00 liter of water at 20° C. The water quickly reaches 25.5° C and stays at that temperature. What is the mass of the copper block?
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