Physics, 06.08.2019 04:30 Alohanikolas
One way to keep the contents of a garage from becoming too cold on a night when a severe subfreezing temperature is forecast is to put a tub of water in the garage. if the mass of the water is 122 kg and its initial temperature is 22.7°c, how much energy must the water transfer to its surroundings in order to freeze completely? the specific heat of water is 4186 j/kg·k, and the latent heat of fusion is 333 kj/kg.
Answers: 1
Physics, 21.06.2019 18:50
How does the image distance (di) of a convex lens compare with the image distance of a concave lens? a. the image distance of the convex lens is positive, and that of the concave lens is negative. b. both are negative for a virtual image. c. both are positive for a virtual image d. the image distance of the convex lens is negative, and that of the concave lens is positive.
Answers: 1
Physics, 22.06.2019 10:10
Aclarinetist, setting out for a performance, grabs his 3.350 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 24.65 n. find the case's vertical acceleration. indicate an upward acceleration as positive and a downward one as negative.
Answers: 1
One way to keep the contents of a garage from becoming too cold on a night when a severe subfreezing...
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