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dsp73
3 years ago
8

A cat jumps 1 m forward and then crawls 0.2 m backward. What is the displacement of the cat? 1.2 m forward 0.8 m 0.8 m forward 1

.2 m
Chemistry
1 answer:
weqwewe [10]3 years ago
6 0
.8 meters foward is the answer
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1 How many moles of solute are in:
Sonbull [250]

Moles of solute for both a and b are the same = 1 mol

<h3>Further explanation</h3>

Given

a 500 cm³ of solution, of concentration 2 mol/dm³

b 2 litres of solution, of concentration 0.5 mol/dm³

Required

moles of solute

Solution

Molarity shows the number of moles of solute in every 1 liter of solution or mmol in each ml of solution

Can be formulated :

\large \boxed {\bold {M ~ = ~ \dfrac {n} {V}}}

a.

V = 500 cm³ = 0.5 L

M = 2 mol/L

n=moles = M x V

n = 2 mol/L x 0.5 L

n = 1 mol

b.  

V = 2 L

M = 0.5 mol/L

n=moles = M x V

n = 0.5 mol/L x 2 L

n = 1 mol

5 0
3 years ago
What is <br>the answer <br>please tell me ​
kupik [55]

Answer:

A HBr

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5 0
3 years ago
A frisbee is moving at 11 m/s and has 3.6j of energy. how much does it weigh?
Ber [7]

Answer:

0.06 kg

Explanation:

Given data:

Mass of frisbee = ?

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Energy of frisbee = 3.6 j

Solution:

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Now we will put  the values in this formula.

3.6 J = 1/2 m(11m/s)²

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3.6 j = 60.5 m²/s² × m

m = 3.6 j/60.5 m²/s²

m= 0.06 j.m⁻².s²

j = Kg.m².s⁻²

m= 0.06 Kg.m².s⁻² .m⁻².s²

m = 0.06 kg

7 0
3 years ago
Cu(OH)₂ +H₃PO₄ = Cu₃(PO₄)₂+H₂O<br><br> how do i balance this equation
swat32

balanced equation =

3Cu(OH)2 + 2H3PO4 → Cu3(PO4)2 + 6H2O

3 0
2 years ago
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