What is the mass of helium in the balloon
A spherical balloon containing helium gas has a radius of 12.0 cm. If the balloon is at atmospheric pressure and room temperature, what is the mass of helium in the balloon? (Let the temperature be 299 K.)
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Water at a pressure of 3.4 atm at street level flows into an office building at a speed of 0.5 m/s through a pipe 7 cm in diameter. The pipes taper down to 2.6 cm in diameter by the top floor, 28 m above. Calculate the water pressure in such a pip
A child holds a candy bar 26.0 cm in front of a convex mirror and notices that the image is only one half the size of the candy bar. What is the radius of curvature of the mirror?
Do you believe that your values make a difference in today's system of justice? Provide examples and explain your answer. Explain how Aristotle and Plato associated status with justice. Has it changed today?
While a man is riding the bicycle, the temperature of the tire increases to 45°C. Assuming the volume of the tire does not change, what is the gauge pressure in the tire at the higher temperature?
A gymnast of mass 59.0 hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and assume that the rope does not stretch. Use the value for the acceleration of gravity.
What happens physiologically when one becomes dehydrated?Why are we so concerned with replacing electrolytes? Please answer in 80 words or less.
According to the text, communication controls motivate, provide release, and facilitate decision-making. What happens in an organization when communication is limited?
The rocket moves for 3.00 s along its initial line of motion with an acceleration of 29.0 m/s2. At this time, its engines fail and the rocket proceeds to move as a projectile. Find the maximum altitude reached by the rocket.
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