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Gennadij [26K]
3 years ago
14

List 3 examples in which friction helps us or makes things easier in our daily life. Explain the effect of friction for each.

Physics
2 answers:
Kisachek [45]3 years ago
8 0

<span>Friction can help us play tennis, knock down bowling pins, and cook dinner.</span>

Free_Kalibri [48]3 years ago
5 0

The three examples in which friction helps us or makes things easier in our daily life are :

(a) Friction helps us to walk. if there were no friction, we wouldn't be able to push earth backwards by our feet . Thus we will not get the reaction force from earth which is necessary for walking.

(b) Conveyor belts will not work if there is no friction. Friction provides a grip for the conveyor belts to transfer motion from one part of a machine to another.

(c) Cars, buses and all locomotives will not be able to stop once they are set in motion if the friction was absent. friction provides a braking forces for these vehicles to stop.

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Explanation: also rutherfords was just a hypothesis while Bhor took the time to make his an experiment

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A compound is discovered and its molecular weight is determined to be 526g/mol. however, one of the elements has not yet been id
AfilCa [17]

Sulphur

The missing element is sulphur

Here the compound is composed of  element X and chlorine.

it is given,

XCl (6) ----> 6Cl

mass = 13.1%

it is X and Cl = 100%-13.10%

                     = 86.90%

chlorine = 86.90            

X = 13.10

We assume 100g of sample

so according to the above solved data, in 100g of sample we have 86.90 g of chlorine.

now we split that chlorine into two moles of chlorine.

  • Every mole of sale has 35.45 grams of sales. 2.451 moles of seal are mine after that.
  • We are aware that cl is six times more than X. To find the moles of X, I must divide this number by six.
  • we discover that we have  0.4086 moles of X when we divide this by six.
  • We obtain those moles of X from 13.10 g of X.  
  • Given that Mueller masses grams per mole, I can compute the molar mass.
  • 13.10 grams of X are contained in 0.4086 moles of X.
  • Or, to put it another way, each remote has a molar mass of 32–06 grams.
  • The element with this molar mass is sulfur, as I can see from the periodic table.
  • Okay, so the element we're looking for in this situation is sulfur.

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It's either B or D, I'm not positive which it is

Explanation:

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2 years ago
12
tensa zangetsu [6.8K]

Answer:

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Explanation:

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