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(a) How much heat is required to raise by 9.30°C the temperature of 0.9 kg of water.
(b) How much heat is required to raise by 9.30°C the temperature of 0.9 kg of iron.
(c) A 50.5 g ice cube, initially at 0°C, is dropped into a Styrofoam cup containing 360 g of water, initially at 19.2°C. What is the final temperature of the water, if no heat is transferred to the Styrofoam or the surroundings?
A copper bar 2.5 m long has a circular cross section of radius 2 cm. One end is kept at 80 oC and the other end is kept at 0 oC. what is the thermal current in the copper bar
Light of wavelength 631 passes through a diffraction grating having 485. What is the angle of the bright spot farthest from the center
A straight wire of length 3.5 m carries a current of 42 A and it is placed on a horizontal table in a horizontal uniform magnetic field. what is the magnitude of the magnetic field
find the x and y components of the shell.
A 1.5 kg object has a velocity of 5j m/s at t=0. It is accelerated at a constant rate for five seconds after which it has a velocity of (6i+12j) m/s
An object is placed 12.0 cm in front of a converging lens of focal length 5cm. A concave mirror with radius of curvature 20.00 cm is located 30.00 cm in back of the lens. (Refer to attached picture)
A jetliner can fly 5.32 hours on a full load of fuel. Without any wind it flies at the speed of 220 m/s. The plane is to make a round-trip by heading due west for a certain distance, turning around, and then heading due east for the return trip.
q1. a superconducting solenoid is to be designed to have an interior field of b 29t with a maximum current of i1000a.
q1. monochromatic light from a distant source is incident on a slit 0.750 rm mm wide. on a screen 2.00 rm m away the
An object hanging in air, as in Figure A below, caused the scale to balance at 0.420 kg. Find the apparent weight of the object when submerged in water
The G string on a violin has a fundamental frequency of 196 Hz. It is 27.0 cm long and has a mass of 0.500 g. what is the effective length of her string
A lump of putty with a mass of 0.550 kg and a speed of 0.750c collides head-on and sticks to an identical lump of putty moving with the same speed
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