Roshan

The ratio of velocities of sound in hydrogen and oxygen at stp is???

Three cubes of volume 343 cubic cm are joined end to end.find surface area and volume of the resulting cuboid.

Steve's answer is incorrect. In the final stage, he said (24*3)^2. However, 24 is not the RADIUS of the cone's base. It is the DIAMETER. Therefore, you must halve 24. The final calculation should hence be: V = (π/3) (12*3)^2 (16*3) = 20736

1/12-0 integral from 0 to 12 for 50+14 sin(pit/12) 1/12 [50 t-14.12/pi cos pit/12] from 0 to 12 50 t28/pi =58.9

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