Answer:
The height of the liquid column doesn't affect the pressure on top pressure ina liquid is affected by the weight of the above it
Electrical energy and light energy are useful to us in variety of ways from the machines used to make the food you eat to the energy to purify the water you drink. The clothes you wear are even dyed different colors from the light energy.
Answer:
vf=at+v0. vf=0
-v0=at
t=-v0/a=(-27m/s)/(-8m/s^2)=3.4s
F = applied force on the wheelbarrow in forward direction = 600 N
f = frictional force pushing in backward direction of wheelbarrow = ?
m = mass of the wheelbarrow = 28 kg
Since wheelbarrow moves forward at a constant velocity
a = acceleration of the wheelbarrow in forward direction = 0 m/s²
force equation for the motion of wheelbarrow in forward direction is given as
F - f = ma
inserting the above values in the formula
600 - f = (28) (0)
600 - f = 0
f = 600 N
hence the frictional force comes out to be 600 N
