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It takes only 9.12N of force to hold up a 1KG metal crown in water.
Compute the specific gravity of this metal, and guess what element it might be using a density table.
How do I use this information to compute specific gravity? Once I find the specific gravity of this metal, then how do I determine its density? Is SG the same as its density?
What must the charge (sign and magnitude) of a 1.43 g particle be for it to remain stationary when placed in a downward-directed electric field of magnitude 630.
In 2.0 minutes, a ski lift raises six skiers at constant speed to a height of 175 m. The average mass of each skier is 65 kg. Illustrate what is the average power provided by the tension in the cable pulling the lift?
LASIK eye surgery uses pulses of laser light to shave off tissue from the cornea, reshaping it, During the very brief time of the pulse, what is the intensity of the light wave
The path of an electron, travelling at 3.7 × 104 meters/second, is making the right angle to a magnetic field. A single electron experiences a force of 2.2 × 10-15 Newton's while in the field. What is strength of the magnetic field .
When its 75kW engine is generating full power, a small single engine airplane with a mass of 700 kg gains altitude at a rate of 2.5 m/s. what fraction of the engine power is being used to make the air plane climb.
What is the temperature of the outside air. What are the components of the displacement vector from camp to summit? What is its magnitude? select the x axis east, y axis north, and z axis up.
A uniform disk of mass 7.00m and radius 7.00r can rotate freely about its fixed center like a merry-go-round, What is the ratio K/K0 of the new kinetic energy of the two-disk system to the system's initial kinetic energy
What is a vertical velocity of the ball
What is the flux of Zn moving down the rod? Write down all your assumptions (hint: you will need to look up the density of copper. You do not need to account for the variation in density with alloy composition). Clarify what the boundary conditions w..
Presume that you loft the ball with the initial speed of v = 17.6m/s, at an angle of θ = 50.7° above the horizontal. At this instant your opponent is d = 11.19m away from the ball. He begins moving away from you 0.35s later, hoping to reach the ba..
he plane is traveling horizontally at 150.0 m/s at a height of 70.0 m above the ground. Illustrate what horizontal distance does the package travel before striking the ground?
If friction and air resistance can be neglected, determine her speed vB when she reaches the horizontal end of the ramp at B.
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