A heat transfer of 9.0×10^5 J is required to convert a block of ice at -10 ∘C to water at 14 ∘C. What was the mass of the block of ice (in kg)?

Most short-period comets do not have randomly oriented orbits because

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Aball thrown by ginger is moving upward through the air. diagram a shows a box with a downward arrow. diagram b shows a box with an upward arrow. diagram c shows a box with a downward and upward arrow equal in size. diagram d shows a box with a downward and upward arrow with the downward arrow larger in size. which force diagram represents the forces on the ball? you may neglect the effects of air resistance.