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A pot containing1.00 liter of water, initially at 20.08C, is placed on a 1000 W electric heating element.
(a) How much heat must be supplied to the water to bring it to a boil?
(b) How much heat is necessary to boil all the wateraway? What is the minimum time required to boil all the water away?
Consider a sunspot with measured field strength 1000 Gauss. Assume the ratio of the total brightness of the gas at the center of the sunspot, Determine the temperature of the gas inside and outside the sunspot
Jaime has a 4-kilogram mass on a 3 meter string, and he is swinging it around in a circle. How much force is Jaime using to pull the mass toward himself
Find out the angle between the filter's polarizing axis and the direction of polarization of light necessary to increase the ratio of the clouds' intensity to that of blue sky so that it is three times the normal value.
A parallel-plate capacitor has 3.95 cm2 plates that are separated by 4.29 mm with air between them. how much energy does it store
In an attempt to reduce the extraordinarily long travel times for voyaging to distant stars, some people have suggested traveling at close to the speed of light. How fast must the rocket travel relative to earth
A rock of mass 34 kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 248 N. Elucidate what is the magnitude of the acceleration of the rock?
A stone is thrown vertically upward with a speed of 16.0 m/s. How fast is it moving when it reaches a height of 12 m? How long is required to reach this height?
The mean (average) of their squares
A 1.00 kg soccer ball is kicked down field at 5 m/s by a Bob on Team A. Tom, a member of Team B, runs up and kicks the ball so that it is traveling at 15 m/s, what is the impulse acting on the ball
A projectile is shot with initial velocity 20.0 m/s at launch angle ? = 60.0? up from horizontal. How far from the gun does the other fragment land
A 2.30×103 ? resistor and a capacitor are connected in series and then a 12.00 V potential difference is suddenly applied across them. Calculate the time constant of the circuit
You walk for 6.44 km with at a constant velocity of 2.60 m/s due west, turn around, and then walk with an average velocity of 0.405 m/s due east, During the trip, how far east did you walk
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