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A 180 g copper bowl contains 185 g of water, both at 20.0°C. A very hot 300 gcopper cylinder is dropped into the water, causing the water toboil, with 4.80 g being converted tosteam. The final temperature of the system is 100°C. Neglectenergy transfers with the environment.
(a) How much energy (in calories) istransferred to the water as heat?(b) How much energy (in calories) is transferred to the bowl?(c) What is the original temperature of the cylinder?
Two firecrackers explode at the same place in a laboratory and are separated by a time of 3 years as measured on the laboratory clock. What is the spatial distance between these two events in a rocket frame in which the events are separated in time..
Classically, the electron cannot pass through the barrier because E
A horizontal string of length 1.5 meters vibrates with a wave velocity of 1230 m/s at its fundamental frequency.
A 0.504 kg metal cylinder is placed inside the top of a plastic tube, the lower end of which is sealed off by an adjustable plunger, what is the initial acceleration of the metal cylinder
q1. throughout liftoff a hot air balloon accelerates upward at a rate of 2.7 ms2. the balloonist drops an object over
An 150kg man climbs up a 1m high flight of stairs, What is the increase in the gravitational potential energy of the man-earth system
The input coil of a transformer has 10 winding current to flow from 12 volt battery. how long will it take for circuit to rach its final current
An object falling under the pull of gravity experiences a frictional force of air resistance. find the terminal speed that the object reaches while falling
An airplane of wing span 40.0 m flying horizontally at a speed of 774 km/h due north in a region where the vertical component of the earth's magnetic field is 4.75 *10^-5 T. Find the emf induced across its wing
A metal rod 6.00 m long is held in a horizontal position. what is the torque exerted on the rod by the tension in the rope
At an outdoor market, a bunch of bananas attached to the bottom of a vertical spring of force constant 16.0 N/m, What is the weight of the bananas in newtons
An astronaut weighs 7*10^2 N on the surface of the earth (M earth=5.98*10^24 kg). What is her weight 7.70*10^6 m above the earth.
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