A block is placed on a wet slippery floor.the mass of block is 15 kg.when it is pulled through a string and spring balance it shows force equal to 3N.find the coefficient of friction (Fs=u mg)

Answer:

to keep warm from weather conditions

Explanation:

to keep warm, protection from animals etc

Explanation:

hunter gatherers choose to live in case and drops because at that time they did not have shelter for them

they were afraid of natural calamities

they were afraid of the fire and also Fred of the animals which rome around there in the earth

huntercalius also had a reason to live in case and rock because they were very strong enough to wear and natural calamity and hunter gatheres also wanted to hide from the animal so that they can get a chance to kill the animals and get a food for them

Answer:

The number of protons that a chemical element has in its centre (nucleus)

Answer:

the protons in an atom is called as atomic number

Explanation:

CUTICULAR TRANSPIRATION : DIRECTLY FROM THE SURFACE OF THE LEAVES AND STEMS...

Answer:

Definition of cuticular transpiration

: the transpiration of gases or vapor directly through the external membranes.

Answer:

-1/5

Step-by-step explanation:

[tex] \frac{7}{2} \times \frac{ - 2}{35} = \frac{ - 1}{5} [/tex]

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Answer: -1/5

Step-by-step explanation,

Given,

The improper fraction :

7/2 and -2/35

To Find,

  3 1/2 × (-2/35)

solution,  

we can simply solve this mathematical problem by using the following the mathematical process.

The method of conversion of an improper fraction into a mixed fraction into a mixed fraction, is as follows-

let,

An improper fraction:

x a/b

( x > a, and x = quotient, a= remainder, b=divisor.)

we have to multiply the quotient with the divisor and add to the remainder.

In this case we will get an improper fraction as:-

bx+a/b

similarly,

In the given case, by solving the mixed fraction, we get-

7/2

and multiplying it by the given improper fraction i.e. -2/35, we get-

-1/5

Hence the answer will be -1/5