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Solve the following questions:
Question I: Compute the order of magnitude of the mass of a bathtub half full of water. (Assume the tub measures 1.3 m by 0.5 m by 0.3 m.)
Question II: Compute the order of magnitude of the mass of a bathtub half full of pennies. (Assume the pennies are made entirely of copper.)
I need help to solve the above questions.
Assume that the balloon rises slowly so that the temperature inside is the same as outside. Illustrate what will happen if the balloon is made up of rigid material?
An eagle perched on a tree limb 19.5 m above the water spots a fish swimming near the surface. How long does it take for the eagle to reach the water
A rocket is fired at a speed of 82.0 m/s from ground level, at an angle of 31.0 ° above the horizontal. The rocket is fired toward an 6.95-m high wall, which is located 18.0 m away.
The current in a 44 ohm resistor is 0.10 Amp. This resistor is in series with a 28 ohm resistor, and the series combination is connected across a battery. Determine what is the battery voltage
A toy cannon uses a spring to project a 5.31-g soft rubber ball. The spring is originally compressed by 5.04 cm and has a force constant of 7.96 N/m. At what point does the ball have maximum speed
The side-view mirror of an automobile has a radius of curvature of 20cm. The mirror produces a virtual image one-third the size of the object. How far is the object from mirror.
An open flask sitting in a lab fridge looks empty, but we know that actually it is filled with a mixture of gases called air. If the flask volume is 0.00415 m3 and the air is at standard temperature and pressure, how many gas molecules does the flask..
1 although all atoms have moving electric charges not all materials are magnetic for example copper or wood are not
A diffraction grating with 396 lines/mm is illuminated with light of wavelength 343nm. What is the angular separation between the two second order bright fringes
In a certain automobile engine with an efficiency of 19.2%, combustion of gasoline in one cylinder releases 490 J of heat. Find the total mechanical power produced by all four cylinders, operating at 48 cycles/s, or 2880 rpm
Calculate the total amount of energy that flows into the space between the capacitor plates from to , by first integrating the Pointing vector over the surface that connects the edges of the two circular plates, and then integrating over time.
a closely wound solenoid of 800 turns and area of cross section 2.5 times 10-4 m2 carries a current of 3.0 a. explain
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