Imagine you have 1 kg each of iron, glass, and water, and all three samples are at 10°C. Rank the samples from least to greatest amount of energy transferred by heat if each sample increases in temperature by 20°C. rank from 1 the least and 3 the greatest please

(From the least to the greatest) Glass < Iron < Water

Explanation:

The greater the specific heat of the material, the greater the amount of heat needed to increase temperature. Specific heats of each material are presented below:

Iron (Rank 2)

Glass (Rank 1)

Water (Rank 3)

c)as speed changes, wavelength and frequency change.

everything changes!

weight of the box is given as

here this is placed on the inclined of angle 42 degree

now this weight will have two components one is along the incline other is perpendicular to it

so here we need to apply a force parallel to incline opposite to its component of weight

so here the component of weight is given as

here we have

so it requires 75 n force to move it upwards