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Jlenok [28]
3 years ago
6

Help please! Will give brainliest to first correct answer!

Physics
1 answer:
Olegator [25]3 years ago
8 0

Answer:

1) Addition of a catalyst

2) To change the reaction rate of slope B to look like slope A, simply add a catalyst to speed up the rate of reaction, giving you a higher amount of products in a shorter amount of time (line A)

Explanation:

1 and 2)Two things can alter the rate of a reaction, either the addition of a catylist which will not alter the composition of the products or reactants, but will accelerate the reaction time, or an increase in temperature will also increase the rate at which a reaction will occur.

You could choose temperature also and have the same result, it's your choice both are correct, but catalyst is the easiest.

   

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The bullet starts at rest in the gun. An 8.6 g bullet leaves the muzzle of a rifle with a speed of 430.1 m/s. What constant forc
xenn [34]

Answer:

The constant force exerted on the bullet is 1590.87 N.

Explanation:

It is given that,

Mass of the bullet, m = 8.6 g

Initial speed of the bullet, u = 0          

Final speed of the bullet, v = 430.1 m/s

We need to find the force exerted on the bullet while it is traveling down the 0.5 m length of the barrel of the rifle. Let a is the acceleration of the bullet. So,

v^2-u^2=2ad

v^2=2ad

a=\dfrac{v^2}{2d}

a=\dfrac{(430.1)^2}{2\times 0.5}

a=184986.01\ m/s^2

Let F is the force exerted. It is given by :

F=ma

F=8.6\times 10^{-3}\times 184986.01

F = 1590.87 N

So, the constant force exerted on the bullet is 1590.87 N. Hence, this is the required solution.                                                  

3 0
3 years ago
A 60 kg skateboarder accelerates themselves at 1.5m/s2. How much force was required to do this?
velikii [3]

Answer:

90 N

Explanation:

m = 60 kg

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Period of a 60Hz circuit
4vir4ik [10]
Period is T=1/f
T=1/60 = 16.67 milliseconds
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Angelina_Jolie [31]

Answer:

Plastic heats up faster :)

Explanation:

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PLEASE HELP!!! GIVING BRAINLIEST!! ill also answer questions that you have posted if you answer these correctly!!!! (40pts)
Sunny_sXe [5.5K]

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  • true

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