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1. A quantity of steam (800 g) at 115oC is condensed, and the resulting water is frozen into ice at 0oC. How much heat was removed? ______kcal
2. A sample of neon gas has its volume doubled and its temperature held constant. What will be the new pressure relative to the initial pressure? _____P1
3. Two 2.7 kg physical science textbooks on a bookshelf are 0.32m apart. What is the magnitude of the gravitational attraction among the books? _______N
FM radio stations use radio waves with frequencies from 88.0 to 108 MHz to broadcast their signals. Assuming that the inductance in the figure has a value of 7.50 10-7 H, determine the range of capacitance values that are needed so the antenna can..
a current of 10.7 a is applied to 1.25 l of a solution of 0.554 m hbr converting some of the h to h2 g which bubbles
A 7.00-kg crate slides 3.00 m down a ramp inclined at 55.0º below the horizontal. What is the net work done on the crate
A stone is dropped from a high building which is 3630 cm. when the stone has fallen 20m, what the magnitude of the impulse the Earth received
What is the Reynolds number for the fastest falling ball in the experiment. Use the same data as in problem 1, glycerin density of 1.30 g/cm^3
Calculate the maximum torque that can be applied to the pedals of a bicycle by a rider with a body mass of 74.0 kg, if the pedalarm is 20.0 cm long.
A 55.0 kg ice skater is moving at 4.00 m/s when she grabs theloose end on a rope, the opposite end of which is tied to a pole. Determine the force exerted by the horizontal rope on her arms
The Pfund series results from emission/absorption of photons due to transitions of electrons in a hydrogen to/from the n = 5 energy level from/to higher energy levels
How fast would it be moving after it had fallen a distance of 0.010-m? (Assume that the gravitational force is constant over the distance of the fall, and that the star is not rotating.)
the boom of a fire truck raises a fireman and his equipment - total weight 280 lbf 60 ft into the air to fight a
A neutron collides elastically with a helium nucleus (at rest initially) whose mass is four times that of the neutron. What is the speed of the neutron after the collision
two equal resistances are connected in the gaps of a meter bridge. if the resistance in the left gap is increased by 10
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