Who exerts more pressure?
a. A girl of 50 kg wearing heels with an area of cross section `1cm(2)`
b. An elephant of 4000 kg with foot ara of each `250cm^(2)`.

A girl of mass 50 kg is wearing high heel sandals . The heels have a cross section of 1"cm"^(2) . Also consider an elephant of mass 4000 kg with foot area of each foot 250 "cm"^(2) . By how much is the pressure exerted by girl is more than that of elephant ?

For a toroid N = 500, radius = 40 cm, and area of cross section =10cm^(2) . Find inductance

What is the magnetization of a bar magnet having length 6 cm and area of cross section 5 cm^(2) ? (M = 1 Am^(2) )

A boy weighing 60 kg f is wearing shoes with heel area of cross-section 20cm^2 while a girl weighing 45kg f is wearing shoes with heel of area of cross-section 1.5 cm^2 . Compare the pressures exerted on the ground by their heels when they stands on the heel of one foot.

Find the pressure exerted by a girl weighing 500 N standing on one stiletto heel of area 1 cm^(2) .

What is the pressure exerted by a woman weighing 500 N standing on one heel of area of 1cm^2 ?

Mass = 10kg hanging, area of cross section 100 cm^2 , length 20cm, y = 2 x 10^11 . Find total elongation.

A area of cross section of a large tank is 0.5m^2 . It has an opening near the bottom having area of cross section 1cm^2 . A load of 20 kg is applied on the water at the top. Find the velocity of the water coming out of the opening at the time when the height of water level is 50 cm above the bottom. Take g=10ms^-2