Finding out the change in momentum of the ball
A tennis ball of .060 kg, primarily moving at a speed of 12m/s is struck through a racket causing it to rebound in the opposite direction at a speed of 18m/s. Find out the change in momentum of the ball?
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Determine the distance, in nm, among the point (.5,1,.75) and the point (.25,.5,0) in a cubic crystal with a unit cell dimension of 0.150 nm.
A 65 guitar string is fixed at both ends. In the frequency range among 1.0 kHz and 2.0 kHz, the string is found to resonate just at frequencies 1.0 kHz, 1.5 kHz and 2.0 kHz. Find out the speed of the traveling waves on the string?
Calculate the percent of linear change during the sc-to-bcc transition if a certain metal undergoes a sc-to-bcc change (sc=simple cubic) upon heating to 500 degrees Celsius.
What is the concentration of the sulfuric acid solution when the 15.50 mL o f a 0.1075 M NaOH solution is needed to neutralize the15.00 mL of a sulfuric acid solution?
What volume of an organic solvent must be used to effect 90% separation in one extraction when only 2.7 g of a certain compound dissolves in the 100 mo of water? (k=15). Second, explain what percentage of the organic compound could be recovered?
The given charges are positioned within a submarine: 1.00 µC, -9.00 µC, 27.0 µC and -84.0 µC. (i) Compute the total electric flux via the hull of the submarine.
A fuel oil is burned with the air in a boiler furnace. The combustion forms 812 kW of thermal energy, of which 65% is transferred as heat to boiler tubes that pass through the furnace.
What mass of CO will be present at equilibrium if 1.50 mol of each chemical species are placed in a 3.00 L flask and allowed to achieve the equilibrium above.
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If a child's achievement is below what would be expected given their level of intellectual functioning (as derived from an IQ test such as the WISC-IV)
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