Question

When a mass of mass m is slid into a mass of unknown quantity, it is observed that 25% of the energy is transmitted. What is one possible value of the unknown mass in terms of m?

a) 7.41m
b) 4m
c) 3.5m
d) 0.25m

Answer 1

The unknown mass in terms of m is 0.25m when 25% of the energy is transmitted.

Step-by-step explanation:

In order for 25% of the energy to be transmitted when a mass of mass m is slid into a mass of unknown quantity, we can use the equation for energy transmitted:

Etransmitted = η * Einitial

where Etransmitted is the transmitted energy, Einitial is the initial energy, and η is the coefficient of energy transmission. Since we are given that 25% of the energy is transmitted, the coefficient of energy transmission η = 0.25.

Plugging in these values and solving for the unknown mass:

η * Einitial = 0.25 * Einitial = Etransmitted

Therefore, the unknown mass in terms of m is 0.25m.