Determine on the whole magnification
A converging lens having f = 11.9 cm is situated 30.6 cm to the left of a diverging lens of f = -5.94 cm. A postage stamp is positioned 32.4 cm to the left of the converging lens. Determine the on the whole magnification.
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Calculate the molarity of a solution of nitric acid if 0.216g of barium hydroxide is needed to neutralize 20.00 ml of nitric acid?
After skidding down a snow-covered hill on the inner tube, Ashley is coasting across a level snowfield at a constant velocity of +2.5 m/s.
If this were to cause the buckling of 1 mile of straight track into the isosceles triangle (with track raised up into air at half-mile mark) then how high off ground would track be lifted at midpoint?
Calculate the volume of 1.222M sodium hydroxide needed to react with 32.5ml of 0.569M sulfurous acid? Where one mole of sulfurous acid reacts with two moles of the hydroxide ion)
Determine the numbers of moles of NaOH must be added to the buffer to increase its pH to 5.74 when a buffer composed of 0.50 mol acetic acid and 0.50 mol sodium acetate is diluted to a volume of 1.0 L. The pH of the buffer is 4.74.
A charge of 5.3 is moving to the west having a velocity of 3 m/s. It enters a uniform magnetic field of 0.3T out of the screen. Determine the direction of the force which acts on the charge once it enters the field?
Calculate the pH of the solution at the equivalence point when a 20.00-mL sample of 0.220 M triethylamine,(CH3CH2)3N is titrated with 0.544MHCl(Kb(CH3CH2)3N= 5.2 × 10-4).
The plane can fly 800 miles in same time as it takes the car to go 250 miles. If car travels 110 mph slower than the plane, determine speed of plane.
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In addition to providing mental health services/referrals for students as a school social worker, what other activities sound realistic
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