An acorn fall from a tree compare its Kinetic energy to its potential energy gpe as it fall

a) ke increase and gpe decrease

b) both increases

c) both decrease

d) ke decrease gpe increase

A man pushes a block up an incline at a constant speed, as the block moves up the incline,

a) Its kinetic and potential energy both increases.

b)Its kinetic energy increases and its potential energy remains the same.

c)Its potential energy increases and its kinetic energy remains the same.

d)Its potential energy increases and its Kinetic energy decreases by the same amount.

For a proton moving in the direction of an electric field

A. its potential energy increases and its electric potential decreases.

B. its potential energy decreases and its electric potential increases.

C. its potential energy increases and its electric potential increases.

D. its potential energy decreases and its electric potential decreases.

E. both its potential energy and it electric potential remain constant.

For an electron moving in a direction opposite to the electric field
A) its potential energy increases and it's electric potential increases.
B) its potential energy increases and its electric potential decreases.
C) its potential energy decreases and its electric potential decreases.
D) both its potential energy and its electric potential remain constant.
E) its potential energy decreases and its electric potential increases.