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The deepest point in the ocean is 11 km below sea level, deeper than Mt. Everest is tall.
What is the pressure in atmospheres at this depth?
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
A 78 kg refrigerator has rubber feet. The coefficient of staticfriction between a floor and the feet has is 1.1, while itscoefficient of kinetic friction is .9. Whats the force needed tobegin moving the refrigerator across the floor and the minim..
The flywheel of a steam engine runs with a constantangular speed of 156 rev/min. What is the constant angular acceleration of the wheel, inrev/min2
a potential difference of 90 mv exists between the inner and outer surfaces of a cell membrane. the inner surface is
two charges attract each other with a force of 2.5 n. what will be the force if the distance between them is reduced to
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
A fire engine moving to the right at 40 m/s sound its horn (frequency = 500 Hz) at the two vehicles shown in the figure. The car is moving to the right at 30 m/s, while the van is at rest. (a) What frequency is heard by the passenger in the car?
A sledge loaded with bricks has a total mass of 17.2 kg and is pulled at constant speed by a rope inclined at 20.3° above the horizontal. What is the mechanical energy lost due to friction
The radius of the Sun is 6.95 × 108 m. It radiates heat at the rate of 5.42 × 1026 W. Assuming that it is a perfect emitter, what is the temperature of the surface of the Sun
A solenoid has a cross-sectional area of 2.20 10-4 m2, consists of 200 turns per meter, and carries a current of 0.56 A. Find the average current induced in the coil
what would be the appearance of the velocity-time curve if the falling body were so light that the effect of air
Assume that you have two objects, one with a mass of 5 kg and the other with a mass of 17 kg, each with a charge of ?0.011 C and separated by a distance of 8 m. What is the electric force that these objects exert on one another? Answer in units of..
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