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1. Determine the amount of heat required (in calories and joules) to raise 230 g of a liquid from 22°C to 28°C. The specific heat capacity for this liquid is 0.30 calories per gram per degree Celsius.
2. Determine the amount of heat that would need to be removed to freeze the liquid in the previous problem (assuming the liquid is at its freezing temperature). Determine the amount of heat that would need to be added to boil the liquid in the previous problem (assuming the liquid is at its boiling temperature).
Given: Lf = 2.9 cal/g; Lv = 13 cal/g.
What is the magnetic field at a point P midway between two wires, each carrying a current of 16 Amps in opposite directions and separated by a distance of 11.8 cm
q1. calculate relation between radiation power if sphere with temperature 1000k and diameter 100m and smother sphere
Blocks A and B are connected across a frictionless pulley by a cord of negligible weight. If block B lies on a horizontal, frictionless surface and block A hangs vertically, what can be said about the acceelration of block B?
What force must be applied to a small cylinder piston with a diameter of 0.32 m to lift a car weighing 12,000N that is supported by the piston in a large cylinder that has a diameter of 1.4m?
A small ball is attached to one end of a spring that has an unstrained length of 0.152 m. By how much would the spring stretch if it were attached to the ceiling and the ball allowed to hang straight down, motionless
An electron with speed v0 = 1.6 multiplied by 106m/s is traveling parallel to an electric field of magnitudeE = 7.7 multiplied by 103 N/C. How far will the electron travel before it stops
q. a small statue is recovered in an archaeological dig. its weight is measure to be 211.2 lb and its volume 0.176 ft3.
Compressed air is used to fire a 60 ball vertically upward from a 1.1--tall tube. The air exerts an upward force of 2.2 on the ball as long as it is in the tube. How high does the ball go above the top of the tube? Express your answer to two signific..
a carnot refrigerator is operated between two heat reservoirs at temperatures of 320 k and 265 k.if in each cycle the
A parallel-plate capacitor has a plate separation of 5.0 cm. Ifthepotential difference between the plates is 2000 V, with the top plate at the higherpotential, what is the electric field between the plates?
Supermonkey drops a banana off a 100m high tree. Two seconds later, she realizes that she wants it back. For how long was the banana falling
a a concave spherical mirror forms an inverted image 4.00 times larger than the object. assuming the distance between
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