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Consider the momentum of a small ball during the projectile motion. Assume that there is no air friction. Is the momentum of the ball conserved? Is any component of the momentum conserved? Please explain.
A 10cm*10cm*10cm block of steel (ρ steel =7900kg/m^3) is suspended from a spring scale. The scale is in nektons. What is the scale reading if the block is in air?
Running on a treadmill is slightly easier than running outside because there is no drag force to work against. What is this force as a fraction of the runner's weight
A basketball player makes a jump shot. The 0.700-kg ball isreleased at a height of 1.80 m above the floor with a speed of 7.00m/s. What is the work done on the ball by air resistance
Two objects are separated by a distance of 7 cm. Each is charged with the same magnitude (absolute value) of charge. What is the magnitude of the charge of each of the objects
A child is playing by jumping on a bathroom scale. The mass of the child is 31 kg and when he stands on a bathroom scale, the spring inside the scale compresses 0.46 mm. what is the maximum height the child can jump on the scale
a cylindrical steel pressure vessel with volume 1.32m3 is to be tested. the vessel is entirely filled with water then a
Light from a lamp, which emits light at several discrete different wavelengths, illuminates an 800 line/mm diffraction grating. Find the wavelength of the bright fringe that is 34.20 centimeter from the central maximum
The isotope 210Po eventually decays after two transitions to stable 206Pb. Polonium was the isotope that was used to kill the former Russian KGB agent Alexander Litvinenko in November of 2006.
Consider the circuit of given Figure.- Use MATLAB to find all of the voltages and currents in the circuit and find the power provided by the source.
Obtain grand mean and unadjusted means for the ANCOVA model where covariate, "xc", Treatment, "a", response, "y" are considered and calculate adjusted means given the estimates
If the grating is illuminated with white light, how many maxima of the complete visible spectrum would be produced
Yellow light travels 0.680 times as fast in a certain type of plastic than in a vacuum. What is the index of refraction for yellow light in the plastic
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