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A Joule cycle consists of two adiabats and two isobars: 1--> 2 and 3 ---> 4 are adiabatic compression and expansion respectively; 2 ---> 3 and 4 --->1
Now two forces are applied to the cart with two different spring scales as shown below. The spring scale Fa still reads 10.5 N.
A 50 kg crate slides down a 6 m ramp inclined at an angle of 35 degrees to the horizontal. A worker pushes on the create parallel to the ramp
A particle carrying charge qA = -8 × 10^-4 C is placed at point A and a particle carrying charge qB = -2 × 10^-4 C is placed at point B.
The surfaces and the pulley are frictionless. If F = 31.9 N, what is the magnitude of the tension in the connecting cord?
Light of 520 nm wavelength is used in a double-slit (Young's) experiment (slit separation 0.45 m). Adjacent dark fringes separated by 2.10 mm are observed
Determine the friction force acting on the block shown when the angle is 30 degrees and P=200N.
A person stands on a bathroom scale in a motionless elevator. When the elevator begins to move, the scale briefly reads only 0.790 of the person's.
A van accelerates down a hill going from rest to 32.8 m/s in 5.49 s. During the acceleration, a toy (m=0.115 kg) hangs by a string from the van's ceiling.
A supply of geothermal hot water is to be used as the energy source in an ideal Rankine cycle, with R-134a as the cycle working fluid. (See the diagrams below)
A slender rod of mass Mr has a disk of mass Mo fastened to it at its end. It is pinned at 0 - a "frictionless" pin.
The coefficient of kinetic friction between m1 and the ramp is .33. The coefficient of kinetic friction between m2 and the ramp is .18.
The speed of a 4Kg object is given by v=(2t)m/s,where t is in seconds. At what rate is the resultant force on this object doing work at t=1 second?
Assuming that the Moon's orbital motion is a uniform circular motion, what is the Moon acceleration as it "falls" toward the earth?
A pendulum of length 2 meters is taken to the moon. if this pendulum makes 10 oscillations in 32.0 seconds, what is the value of gravitational acceleration.
What minimum wave amplitude will make the ant become momentarily weightless?
A peg on a turntable moves with a constant linear speed of 0.67 m/s in a circle of radius 0.45 m.
If the amplitude of motion is 3.5 cm, and the engine runs at 1700 rev/min, find (a) the maximum acceleration of the pistons and(b) their maximum speed.
Two blocks are connected over a massless pulley. The mass of block A is 10.0 kg and the coefficient of kinetic friciton is 0.20.
Use the method of superposition to determine the current i1 in the above circuit.
Luigi launches a stone vertically upward from the top of a cliff. The height of the stone above the base of the cliff is appoximated by the model.
A ball thrown horizontally from a point 24m above ground strikes the ground after traveling horizontally a distance of 18 m. with what speed was it thrown?
Find the mass and the radii of the planets Mercury, Neptune and Pluto, masses in kilograms and radii in meters.
Only two forces act on an object (mass = 4.00 kg), as in the drawing. Find the magnitude and direction (relative to the x axis) of the acceleration.
At serve a tennis player aims to hit the ball horizontally. What minimum speed is required for the ball to clear the 0.89 m high net about L=14.8 m.