Question

What can you determine about mechanical energy from this graph?​

Answer 1

Answer:

What can be determined from the graph includes;

a) The Mechanical Energy M.E. = 1.0

b) The initial K.E. =  1.0, The initial P.E. = 0

c) The period for the kinetic energy = The period for the potential energy = 0.25

d) The frequency of oscillation of the kinetic and potential energy = 4 Hz

e) The object starts with its maximum velocity

Explanation:

The equation between kinetic energy, K.E., potential energy, P.E. and total mechanical energy, M.E. is given as follows;

M.E. = K.E. + P.E. = Constant

From the graph, we  have;

a) M.E. = K.E. + P.E. = 1.0

b) At time t = 0,

The initial K.E. = M.E. = 1.0, P.E. = 0

At time t = 0.125,

P.E. = M.E. = 1.0, K.E. = 0

c) The period for the kinetic energy, K.E. = The period for the potential energy, P.E. = 0.25

d) The frequency of oscillation of K.E. and P.E. = 1/T = 1/0.25 = 4 Hz

e) The object starts in motion with maximum velocity at time t = 0.