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A 0.62 kg brass candlestick has an initial temperature of 98.0 degrees C. If 21,100J of heat is removed from the candlestick to lower its temperature to 6.5 degrees C, what is the specific heat compacity of brass.
Two particles with masses 2m and 5m are moving toward each other along the x axis with the same initial speeds vi. Find the final speeds of the two particles in terms of vi. particle 2m
Find out that the value of the gravitational field strength
At 34C, the resistance of a segment of gold wire is 53.6 . When the wire is placed in a liquid bath, the resistance decreases to 97.1. What is the temperature of the bath
An electric train operates on 740 V. What is its power consumption when the current flowing through the train's motor is 1,970 A
The cable on an elevator of mass m snaps, and two safety mechanisms come into play. find an expression for the speed
The Eiffel tower in Paris is made of iron. It is 300 meters tall on a cold day (T = - 5 degrees Celsius). What is its height on a hot day
A 28.0-g object moving to the right at 20.0 cm/s overtakes and collides elastically with a 7.0-g object moving in the same direction at 15.0 cm/s
A star moving away from the Earth at 0.320c emits radiation that we measure to be most intense at the wavelength 530 nm. Determine the surface temperature of this star
An object is placed in front of a diverging lens of focal length of 17.0cm, Using the thin lens equation find the distance from the lens to the object and from the lens to the image
The school bus picks up Brian in front of his house and takes him on a straight-line 3.6 km bus ride to school in the positive direction. what is his displacement on the walk home
A wheel of radius 1.6m rotates at a uniform speed. If a point on the rim of the wheel has a centripetal acceleration of 2.3m/s2 , what is the point's tangential speed
A woman at an airport is towing her 14.0-kg suitcase at constant speed by pulling on a strap at an angle, What is the magnitude of the normal force that the ground exerts on the suitcase
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