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When a 290 g piece of iron at 178°C is placed in a 100 g aluminum calorimeter cup containing 250 g of glycerin at 8°C, the final temperature is observed to be 36°C. What is the specific heat of glycerin?
To test the working of a refrigerator you put a container having two liters of water (=2kg) at 50C in its freezer. How much heat has the refrigerator extracted from the water
A glass lens has a convex surface with radius 25.0 cm and a concave surface with a radius of 50.0 cm. Calculate the focal length of this lens
An electron is moving at a speed of 1.1 multiplied by 104 m/s in a circular pathof radius of 2.1 cm inside a solenoid.The magnetic field of the solenoid is perpendicular to the plane ofthe electron's path. The solenoid has 25 turns per centimeter.
A 10.0kg block of ice is sliding due east at 8.00 m/s when it collides elastically with a 6.00kkg block of ice, Determine the velocities of the blocks of ice
a force of 25 N at an angle of 37 degrees with thehorizontal pulls a 10 kg crate along a horizontal surfce ofdistance of 15m. How much work is done by this force
A cosmic-ray proton in interstellar space has an energy of 17.0 MeV and executes a circular orbit having a radius equal to that of Earth's orbit around the Sun, What is the magnetic field in that region of space
The magnet rotates at angular frequency w. Write an expression for the flux through a single loop as a function of time in terms of magnet area, coil area, and field strength. (It should include a sine function.)
Two conductors are joined by a long copper wire. Thus A) each conductor must be at the same potential. B) no free charge can be present on either conductor. C) each conductor carries the same free charge.
a Dog Sit 1.5m from the center of a merry go round. The Merry Go Round is Set in Motion,The Dog tangential speed is 1.5m/s. What is The Dog's Centripetal acceleration
when a mass of 180g is attached to a vertical to a vertical spring and lowered to its equilibrium position, it is found that the spring extends 12cm. what is the period of the resulting oscillations
An electric dipole includes a charge of 4 ?C and a second charge. What is the total charge of the dipole?
A simple pendulum is made of a small blob of mass m = 7.000 kg attached to the end of an inextensible wire. The angular amplitude of oscillation is ?0 = 7.162°. What is the magnitude of the tension in the wire when the blob is directly below its poin..
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