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NARA [144]
2 years ago
9

IM BEGGING ILL GIVE BRAINLEST PLEASEEEEEEE HELP ME Distance and amount of charge are factors that determine which of the

Physics
1 answer:
zzz [600]2 years ago
8 0

Explanation:

Distance and amount of charge are factors that determine which of the

following quantities?

D. All of the above

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Q 36 - URGENT HELP PLS<br> WILL BE MARKED AS BRAINLIEST.
Sliva [168]
The answer is B.

This is because you add up all of the times (1.44s+1.70s+1.58s+1.76s) and you get 6.48 then you divide 6.48 by 4 to get the average of the times. Now you get the distance (200m) and because speed=distance/time you divide 200m/1.62s to get 123m/s. I hope this made sense :)
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HELP NOW PLEASE ANSWER THE QUESTION THE PICTURE IS ATTACHED BELOW
bagirrra123 [75]

Answer:

C

Explanation:

6 0
2 years ago
A box of mass 12 kg is at rest on a flat floor. The coefficient of static friction between the box and floor is 0.42. What is th
vladimir2022 [97]

As we know that friction force on box is given by

F_s = \mu_s N

here we know that

N = mg

here we have

m = 12 kg

\mu_s = 0.42

so now we have

N = 12(9.8) = 117.6 N

now we will have

F_s = 0.42(12)(9.8)

F_s = 49.4 N

so it required minimum 49 N(approx) force to move the block

5 0
3 years ago
Read 2 more answers
How do birds manage to fly without flapping their wings?
nignag [31]
It's called gliding.
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How do we manage to stand without constantly walking? It's the same exact thing. 
3 0
3 years ago
A 1.0-m-diameter vat of liquid is 2.0 m deep. The pressure at the bottom of the vat is 1.3 atm. What is the mass of the liquid i
gladu [14]

Answer:

The mass of the liquid = 10538 kg

Explanation:

The pressure in a liquid is

P = ρgh ......................... Equation 1

ρ = P/gh ...................... Equation 2

Where P = pressure, ρ = density, g = acceleration due to gravity, h = height.

Given: p = 1.3 atm, h = 2.0 m, g = 9.81 m/s²

If,  1 atm = 1.013×10⁵ N/m²

Then, P = 1.3×1.013×10⁵ N/m² = 1.3169×10⁵ N/m²

Substituting in equation 2,

ρ  =  1.3169×10⁵/(9.81×2)

ρ =   1.3169×10⁵/19.62

 ρ = 6712.03 kg/m³.

But Density,

ρ  = m/v  

m =  ρ × v........................ Equation 3

Where m = mass of the liquid, v = volume of the liquid in the vat

v = πd²h/4, where d = diameter = 1.0 m, h = 2.0 m.

v = 3.14(1)²×2/4

v = 1.57 m³ also,  ρ =  6712.03 kg/m³.

Substituting into equation 3

m = 1.57×6712.03

m = 10537.887 kg

m ≈ 10538 kg.

Thus the mass of the liquid = 10538 kg

3 0
3 years ago
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