How many of each kind of boat should be rented
A person wants to rent 12 boats that can carry 220 passengers all together. Three kinds of boats are available, and they respectively carry 10, 15, or 20 passengers. How many of each kind of boat should be rented?
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An initially neutral conductor contains a hollow cavity in which there is a + 100 nC point charge. A charged rod transfer -50 nC to the conductor. Afterward, what is the charge (a) on the inner wall of the cavity wall; (b) on the external surface
A 2.0µF capacitor and a 4.0µF capacitor are connected in series across 1000 V. The charged capacitors are then disconnected from the source and connected to each other with terminals of like sign together. Find the charge on each capac
The molar mass of caffeine is 194.19 g. Is the molecular formula of caffeine C4H5N2O orC8H10N4O2?3.- HOw many grams of sulfur (S) are needed to react completely with 246 g of mercury (Hg) to form HgS?
An electron moving parallel to the x axis has an initial speed of 3.70 x 106 m/s at the origin. Its speed is reduced to 1.40 x 105 m/s at the point x = 2.00cm, a) calculate the electric potential different between the origin and that point b) which
Three kinds of boats are available, and they respectively carry 10, 15, or 20 passengers. How many of each kind of boat should be rented?
An electric toy locomotive of mass 475.0 g, moving along the tracks at 0.50 m/s, bumps into a still flat car of mass 175.0 g and latches on to it. What is the speed of the engine and the car after they connect? (Assume that no powere is applied to
Cinnamicalcohol is used mainly in perfumery. Particularly in soapsand cosmetics. Its molecular formula isC9H10O Calculate the % composition by mass of C, H and O incinnamic alcohol.
Find the exact value of the expression whenever is it defined sin [arcsin (-3/10)] and cos (arccos 1/4).
Calculate the quantities in milliliters of 4-nitrobennzaldehyde and 3-pentanone that will need to be combinedin order to prepare 10g of the solid product
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