A0.100-kilogram apple falls from a height of 1.50 meters to 1.00 meter. ignoring frictional effects, the total mechanical energy of the apple at this height is

Mechanical energy = 1.47 J

Explanation:

As we know that mechanical energy is the sum of kinetic energy and gravitational potential energy.

Since the apple falls from the height of 1.50 m so here in this case its initial speed must be zero

so initial kinetic energy is given as

now its gravitational potential energy is given as

now plug in all values in it

so mechanical energy is given as

one person pulls 90n one way and the other has 100n pulling the other way.

so the net force = 90 - 100 = -10n,

or the ans can be 10n if the picture shows -90n and 100n instead.

a=d/t

a="triangle"v/t

explanation:

a = acceleration