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Steam enters a turbine operaing at steady state at 700oF and 450 psi, and leaves as a saturated vapor at 1.2 psi. The turbine develops 12,000 hp, and heat transfer from the turbine to the surrounding occurs at a rate of 2x106 Btu/h.
Determine the volumetric flow rate of the steam at the inlet, in ft3/s.
A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.06 nm. What is the final state of the hydrogen atom
q1. the pulley system is used to lift a 52 kg crate. note that one chain connects the upper pulley to the ceiling and a
A parallel-plate capacitor stores a charge Q = 4.00 nC when connected to a battery of voltage V = 10.0 V. What is the surface area of the plates
A2.85-kg bucket is attached to a disk-shaped pulley of radius 0.121m and mass 0.742 kg. If the bucket is allowed to fall, (a) what is its linear acceleration? (b) What is the angular acceleration of the pulley? (c) How far does the bucket drop in 1.5..
An oversized yo-yo is made from two identical solid disks each of mass M = 2.00 kg and radius R = 10.0 cm. what torque does gravity exert on the system with respect to the given axis
A 60 kg crate is lowered using arope over a fixed support. The rope exerts a constant upward forceof 500 N.? How fast is the crate traveling when it hits the floor
q1. a rock is throwing from a tall building. the rock reaches its maximum height above the top of the building 1.77 s
What is magnitude of the linear acceleration of the hoop . Elucidate using Newton's Second Law of Motion, why you can throw a golf ball further than a bowling ball, still though you throw both at the similar angle and with the same amount of force.
A wheel rotates with a constant angular acceleration of 4.35 rad/s2. Suppose that the initial angular speed of the wheel is 2.99 rad/s. Elucidate through what angle does the wheel rotate after 2.88 s?
In a Young's double-slit experiment with electromagnetic radiation that is not necessarily visible, What kind of radiation is being used
A runner accelerates to a velocity of 4.15 m/s due west in 1.50s. His average acceleration is 0.640 m/s^2, also directed due west. What was his velocity when he began accelerating.
The wings of some beetles have closely spaced parallel lines of melanin, causing the wing to act as a reflection grating. what is the first-order diffraction angle for green light
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