3. A uniform metre rule is balanced at the 50 cm mark. Weights of 1.5 N and
3.0 N are hung from the 10 cm and 40 cm marks respectively, as shown in Fig. 2.1.
10 cm
40 cm 50 cm
80 cm
1.5N
3.ON
w
Fig. 2.1
A weight Whanging from the 80 cm mark balances the system.
Calculate
(a) the moment about the 50 cm mark of the 1.5N weight,

hi there!

your question asks at which segment does freezing occur.

since we're talking about water, the freezing point of water will be 32 degrees fahrenheit or below.

hope this ! ~

a lot of it means it can be "burned" for energy and sold at one price. if it is scarce, the price will go up

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.

option number c is the right answer.