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lana66690 [7]
4 years ago
9

I tried looking at formulas, if you know the formula can you list it?

Physics
2 answers:
mash [69]4 years ago
8 0

Answer:

a. -10 m/s²

b. -15000 N

Explanation:

a. First, write which variables are given:

v₀ = 20 m/s

v = 0 m/s

t = 2 s

Next, identify the variable you're looking for.

Find: a

Determine which equation uses these variables.  One trick is to find which variable isn't included in the problem, then find the equation that doesn't use that variable.  In this case, we don't need displacement Δx.  So the equation we should use is:

v = at + v₀

Plug in and solve:

(0 m/s) = a (2 s) + (20 m/s)

a = -10 m/s²

b. Force is mass times acceleration.

F = ma

F = (1500 kg) (-10 m/s²)

F = -15000 N

serg [7]4 years ago
5 0

Answer:y=mx+b

Explanation:

y=mx+b

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<h3>The answer is 2.0 g/mL</h3>

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You're driving down the highway late one night at 20 m/s when a deer steps onto the road 44 m in front of you. Your reaction tim
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14.0 m

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t = Time taken

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v = Final velocity

s = Displacement

a = Acceleration

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\text{Distance}=20\times 0.5=10\ m

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u=\frac{-10+\sqrt{10^2-4\cdot \:1\left(-880\right)}}{2\cdot \:1}, u=\frac{-10-\sqrt{10^2-4\cdot \:1\left(-880\right)}}{2\cdot \:1}\\\Rightarrow u=25.08, -35.08\ m/s

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Answer:

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In physics, acceleration can be defined as the rate of change of the velocity of an object with respect to time.

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8 0
3 years ago
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