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What forms can energy take? How are they related to the laws of thermodynamics? What is free energy, exergonic and endergonic reactions and how are all of these related to stability, potential, and equilibrium? How do cells use ATP to couple exergonic and endergonic reactions?
A solenoid of cross sectional area 1.4 m2 and 2.0 m long carries a current of 4.0 A. It stores an energy of 3.4 J. How many turns per unit length are in this solenoid
Two parallel slits are illuminated with light composed of two wavelengths, one of which is 645 nm. On a viewing screen, the light whose wavelength is recognized produces its third dark fringe at the same place where the light whose wavelength is unk..
A thin cylindrical shell and a solid cylinder have the same mass and radius. The two are released side by side and roll down, without slipping, from the top of an inclined plane that is 4.9 m above the ground. The acceleration of gravity is 9.8 m/..
A 3.00-kg block starts from rest at the top of a 35.0° incline and slides 2.00 m down the incline in 1.50 s. Find the acceleration of the block. Find the coefficient of kinetic friction between the block and the incline.
A hardworking ant must supply 0.00805 N to pull a small piece of fruit at constant velocity over a distance of 9.60 cm up a small hill to the entrance of the colony. calculate the work done by the ant by pulling the piece of fruit up the hill
a solenoid is made of 283 turns of wire wrapped around a hollow cylinder of radius 1.30 cm and length 6.78 cm. what is
A hand-pumped water gun is held level at a height of 0.82 m above the ground and fired. Find the gauge pressure of the water gun's reservoir at the instant when the gun is fired
A jogger accelerates from rest to 3.49 m/s in 2.40 s. A car accelerates from 21.0 to 31.8 m/s also in 2.40 s, Find the magnitude of the acceleration of the jogger
A meterstick is at rest in an inertial frame S2. If S2 moves with a speed of 0.7c with respect to a rest frame S1, find the length of the meterstick as measured in frame S1 according to classical physics. Reply in units of m.
q1. two trains each having a speed of 28 kmh are headed at each other on the similar straight track. a bird that can
(a) What is the Jeans mass for each of the two clouds? (b) What is the minimum radius each cloud must have to collapse? (c) What is the timescale for the gravitational collapse of each cloud?
A 75 g Frisbee is thrown from a point 1.2 m above the ground with a speed of 14 m/s. find the reduction in Emec of the Frisbee-Earth system
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