A primary root grows from 5 cm 19 cm in a week calculate the relative growth rate over the period

A sphere of radius 10 cm carries a charge of 1 mu C . Calculate the electric field at a distance of 5 cm from the center of the sphere

A sphere of radius1 0 cm carries a charge of 1 mu C . Calculate the electric field at a distance of 30 cm from the center of the sphere

Answer the following questions : An object is placed in front of a convex lens of focal length 20 cm. If the object distance is changed from 60 cm to 40 cm , what can you say about the size of the image relative to that of the object?

A man of height 180 cm is moving away from a lamp post at the rate of 1.2 meters per second. If the height of the lamp post is 4.5 meters, find the rate at which the tip of the shadow is moving

A man of height 180 cm is moving away from a lamp post, at the rate of 1.2m/sec. If the height of the lamp post is 4.5 m., find the rate of which the tip of his shadow is moving.

A man of height 180 cm is moving away from a lamp post, at the rate of 1.2m/sec. If the height of the lamp post is 4.5 m., find the rates of which his shadow is lengthening