What is the energy of a 4 kg apple that is sitting on a 2 m high tree branch?

The correct answer to the question is: 78.4 J

EXPLANATION:

As per the question, the mass of the apple is given as m = 4Kg.

The apple is present at a height of 2 m from the ground.

Hence, height of the apple h = 2 m.

We are asked to calculate the energy possessed by the apple.

The energy of the apple is nothing else than the gravitational potential energy of the apple.

The gravitational potential energy of a body at a height h is calculated as -  

Gravitational potential energy P.E = mgh

Here, m is the mass of the body.

         g is known as acceleration due to gravity and it's value is g =  9.8 m/c2

The potential energy of the apple is calculated as-

                                   P.E = m × g× h

                                         = 4 × 9.8 × 2 Joule

                                         = 78.4 J       ( Ans )

Hence, the energy of apple is 78.4 J.

1= 26.17

2= 1.17

3=30.86

4=5.86

just took the assigment on edge

we have been given a quadratic function and we need to restrict the domain such that it becomes a one to one function.

we know that vertex of this quadratic function occurs at (5,2).

further, we know that range of this function is .

if we restrict the domain of this function to either or , it will become one to one function.

let us know find its inverse.

upon interchanging x and y, we get:

let us now solve this function for y.

hence, the inverse function would be if we restrict the domain of original function to and the inverse function would be if we restrict the domain to .