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A cube of ice is taken from the freezer at -5.7%u2218Cand placed in a 95g aluminum calorimeter filled with 305g of water at room temperature of 20.0 %u2218C. The final situation is observed to be all water at 15.0%u2218C. What was the mass of the ice cube?
An antifreeze solution is made by mixing ethylene glycol (?= 1116 kg/m3) with water. determine the volume percentage of ethylene glycol in the solution
A farsighted man uses eyeglasses with a refractive power of 2.10 diopters. Wearing the glasses 0.03 m from his eyes, What is the correct contact lens prescription
A technician wraps wire around a tube of length 39 cm having a diameter of 7.8 cm. what is the self-induced emf in the solenoid
The fundamental frequency of a closed organ pipe is 264.9 Hz. What is the length of the open pipe
If the coefficient of kinetic friction between tires and dry pavement is 0.82, what is the shortest distance in which you can stop an automobile by locking the brakes when traveling at 26.6 m/s
A plate of glass with parallel faces having a refractive index of 1.57 is resting on the surface of water in tank. A ray of light coming from above in air makes an angle of incidence 34.5 degrees with normal to the top surface of the glass.
What is the maximum height, y2, if the object is thrown with a speed of v2 = 1.99v1 from the surface of Jupiter's moon Io? The acceleration due to gravity on Io is g2 = 1.79 m/s2. Give the reply as a multiple of y1.
A 30 g ball of clay is thrown horizontally at 20 m/s toward a 1.7 kg block sitting at rest on a frictionless hi surface. The clayts and sticks to the block. What is the speed of the block and clay right after the collision?
A person who weighs 672 N is riding a 100-N mountain bike, what is the area of contact between each tire and the ground
A pot containing 1.03 liters of water, initially at 19*C, How much heat must be supplied to bring it to a boil
The bullet remains in the block, and after the impact the block lands d = 1.5 m from the bottom of the table. Evaluate the initial speed of the bullet.
A pair of slits, separated by 0.170 mm, is illuminated by light having a wavelength of ? = 569 nm. What is the path difference for the two slits at the location y
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