Pressure - Page 2
Questions
- Why can camels walk on top of sand but humans can not?
- Whose principle states that the pressure exerted by a moving stream of fluid is less than the pressure of the surrounding fluid?
- How is pressure related to kinetic energy?
- What is the difference between density and relative density?
- At what depth below the surface of oil, relative density 0.8, will the oil produce a pressure of 120 kN/m2? What depth of water is this equivalent to?
- The water pressure at the bottom of the Marianas Trench is approximately #1,100# #kPa#. With how much force would the water pressure at the bottom of the Marianas Trench push on a fish with a surface area of #.50# #m^2#?
- What is the difference between #"density"# and #"relative density"#?
- How to calculate water pressure?
- A statue stands on a square base at the side of a garden pond. Both the base and statue are made of granite. How can the volume of the base be calculated without moving the statue?
- The bulk modulus of lead is #4.6# GPa. By what fraction will the density of a piece of lead increase if it is lowered to the bottom of the Pacific Ocean where the pressure is #40# MPa?
- Rain is falling at the rate of 5.0 cm/h and accumulates in a pan. If the raindrops hit at 8.0 m/s, what is the force on the bottom of a #1.0 m^2# pan due to the impacting rain which does not rebound? Water has a mass of #1.00 X 10^3# kg per #m^3#?
- The bottom of a container has an area of #25# #cm^2# If #6.5# newtons of water are poured into the container, what is the pressure exerted on the bottom?
- What is the Rover's landing speed? (Picture)
- What causes a flight to fly in air?
- A closed beaker of circular cross section radius 4 cm is filled with Hg up to height 10 cm. Find the force exerted by the mercury on the bottom of the beaker?
- A force of 400 N creates a pressure on a surface of 2000 Pa. What is the surface area?
- How 101325 N/m2 or Pascal is derived? Please explain simply.
- What is the absolute pressure at a point on a submarine, at a depth of 30 m below the surface of the sea, when the atmospheric pressure is 101 k Pa ? Take the density of sea water as 1030 kg m^-3 and the gravitational acceleration as 9.8 ms^-2
- A circular piston exerts a pressure of 80 k Pa on a fluid, when the force applied to the piston is 0.2kN. What is the diameter of the piston ?
- What is the force exerted by the atmosphere on a pool of water that is 30 m long and 10 m wide, the the atmospheric pressure is 100 K Pa ?