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A pot containing 1.07 liter of water, initially at 23°C, is placed on a 1071 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 water away?
(c) What is the minimum time required to boil all the water away?
Two simple pendulums have length of 81-cm and 64-cm they are released from the same angular position at the same instant. After how much time would they both arrive at their initial position simultaneously.
If an astronaut dropped a small rock near the surface of Neptune, how far (in m) would the rock fall in 1.5 s
q. a woman walks 252. m in the direction 65.0deg east of north then 212. m directly east.a find the final displacement
What is the magnitude of the torque exerted by the entire flagpole at the point of contact with the building.
Two identical +9.5uC point charges are initially 3.5cm from each other. If they are released at the same instant from rest, hoe fast will each be moving when they are very far away from each other? suppose they have identical masse of 1mg.
A body travels a distance of 3km towards east and 4 km towards north and finally 9 km towards east. what is the total distance travelled and displacement of body.
An amusement ride consists of a car moving in a vertical circle on the end of a rigid boom. The radius of the circle is 32 meters. What is the force of the boom on the car
A diffraction grating has 1380 lines/mm. You desire to detect two sodium lines at 589.0 nm and 589.6 nm with a detector. how far away should the dectector be placed from the grating
A velodrome track is banked so that a bicycle traveling at 78.2 km/h will have no tendency to slip to either side when traveling on the path that has a radius of curvature of 76.0 m
You and a friend have been given the task of designing a display for the Physics building that will demonstrate the strength of the electric force, calculate the necessary amount of charge on the marble for a reasonable ramp angle of 15 degrees
The intensity of sunlight hitting the Earth is about 1300 W/m^2. How much pressure (per square meter) does it exert
At T = 0ºC and p = 1000mb, 1g of dry air receives during an isochoric process anamount of heat, what is the amount of heat absorbed
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