A rectangular storage tank 4m long by 3m wide is filled with paraffin to a depth of 2m given that the density of paraffin is 80kg/m^3,caiculate
a)the volume of paraffin
b)the weight of paraffin
c)the mass of paraffin
d)the pressure at the bottom of the tank due to the paraffin
e)if the paraffin is replaced by a denser liquid like water,will be pressure change?explain answer.

  1. 👍
  2. 👎
  3. 👁
  1. (a) volume = mass/density
    (b) weight = mg
    (c) mass = volume * density
    (d) using the density of water, pressure = weight/area
    (e) from (d), more weight ==> more pressure

    1. 👍
    2. 👎
  2. ) An elephant weighs 60 kN and each of its feet has an area of 0.07 m2 in contact with the ground. What is the pressure the elephant exerts on the ground, if:

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. physics

    How fast does water flow from a hole at the bottom of a very wide, 3.7 m deep storage tank filled with water? Ignore viscosity.


    A cylindrical oil storage tank 12 feet in diameter and 17feet long is lying on its side. Suppose the tank is half full of oil weighing 85 lb per cubic foot. What's the total force on one endof the tank?

  3. Math

    A rectangular tank 40cm wide by 50 cm long by 30 cm high is filled up with water up to 2/3 of its height .water flows from a tap into the tank at a rate of 0.5 liter per minute. Find the amount of water in the tank after 30

  4. Maths

    A rectangular water tank is being filled at a constant rate of 101t/s.The base of the tank has width,w=10m and length,l=15m. If the volume of the tank is given by v=w*l*h where h represents the height of the tank,what is the rate

  1. Physics.. Force and pressure

    A tank 4m long, 3m wide and 2m is filled to the brim with paraffin. (density 800kg /m3) calculate the pressure on the base.

  2. Math

    A rectangular water tank measures 2.4m long, 2m wide and 1.5m high. The tank contained some water up to a height of 0.45m (a) calculate the amount of water, in litres, needed to fill up the tank. vol = 2.4*2* 1.5- 2.4*2*0.45 =7.2

  3. math

    A fish tank is 50 cm long, 34 cm wide and 24 cm high. It contains water to depth of 18 cm. Four identical spheres are placed in the tank and are fully submerged. The water level rises by 4.5 cm. 1.What is the volume before the

  4. physics

    A water tank is filled to a depth of 10 m and the tank is 20 m above ground. The water pressure at ground level in a hose 2 cm in diameter is closest to: A) 3.9 × 105 N/m2 B) 2.0 × 104 N/m2 C) 9.2 N/m2 D) The cross-sectional

  1. Mathematics

    A closed rectangular tank 180cm height, 300cm long and 200cm wide is made of metal sheet which cost #8.50 per square metre. Calculate the cost of metal sheet used in making the tank.

  2. math-need help

    A right rectangular tank with a 12 unit by 8 unit base is filled with water to a depth of 5 units. The water rises 1.5 units when a solid cube is completely submerged in the tank. In simplest radical form, the edge of the cube is

  3. Physics

    A rectangular storage tank 4m long by 3m wide is filled with paraffin to a depth of 2m calculate volume of paraffin mass of paraffin weight of paraffin pressure at the bottom of the tank due to the paraffin

  4. Math

    The base of a pyramid-shaped tank is a square with sides of length 12 feet, and the vertex of the pyramid is 10 feet above the base. The tank is filled to a depth of 4 feet, and water is flowing into the tank at the rate of 2

You can view more similar questions or ask a new question.