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1. An Aluminum block weighs 12N in air and 8N in water. What is the mass of the block?
2. How much energy would it take to transform 76g of water to steam at 125C?
3. A cube of wood of density 0.78g/cm3 is 10cm on a sie. When placed in water, what height of the block will float above the surface? (water density =1.00g/cm3)
An object is located 14.0 cm in front of a convex mirror, the image being 7.50 cm behind the mirror. A second object, twice as tall asthe first one, is placed in front of the mirror, but at a different location.
The coefficient of static friction between the stone and each side of the tread channel is 0.7. While the tire surface is rotating at a maximum speed of 1 m/s, the stone flies out of the tread. The magnitude FN of the normal force that each side of t..
A ray of light is incident on a flat surface of a block of cubic zirconia that is surrounded by water. obtain the angle of reflection
Find out the moment of inertia of the wheel. Initially the wheel rotates with an angular speed , causing the block to rise with a linear speed = 0.33 .
The magnitudes of the four displacement vectors shown in the drawing are A = 20.0 m, B = 11.0 m, C = 12.0 m, and D = 21.0 m.
The triangular loop of wire in the drawing carries a current of I= 6.91 A. A uniform magnetic field is directed parallel to the side AB of the triangle and has a magnitude of 2.77 T.
You want to double the resonance angular frequency of a series R-L-C circuit by changing only the pertinent circuit elements all by the same factor
if the coefficients of static and kinetic friction between the 20kg block a and the 100kg cart b are both essentially
Proton projected toward fixed nucleous of charge +Ze with velocityv0. Initially the particles are very farapart. When proton is at a distance R from the nucleous itsvelocity is 1/2v0.
A disk of radius "r" and uniform surface charge density finalized_jax">\(\sigma\) spins with angular velocity %u03C9 about the y-axis
A moving particle encounters an external electric field that decreases its kinetic energy from 9910 eV to 6840 eV as the particle moves from position A to position B.
A car (mass 930 kg) is traveling with a speed of 48 mi/h. A bug (mass 6 mg) is traveling in the opposite direction. What speed would the bug need
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