Question

A metal ring of certain mass is heated from 25°C to 100°C. What changes do
you observe in its (i) volume, (ii) mass, (iii) density and (iv) diameter?
class​

Answer 1

Explanation:

Determine the value of k for which the following pair of linear 2 equations represents a pair of coincident lines on the graph : 3x+4y= k +1;6x+8 y =10 please select my answer brainlist

Answer 2

Answer:

1. Volume expansion is defined as the increase in the volume of the solid on heating. With a change in temperature ∆t the change in volume of a solid is given by ∆v=Vy∆t where the coefficient of volume expansion is y.
3. the inner radius decreases and outer radius increases.

Explanation: