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FinnZ [79.3K]
2 years ago
14

A race car goes from a complete stop at the start line to 150 miles per hour in 5 seconds. What is its acceleration? Show your w

ork.
Physics
1 answer:
qwelly [4]2 years ago
3 0

Answer:

Explanation:

150/5  = 30

30mph per 1 second

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How much time does it take the cheetah to travel 500 meters, if its average speed is 70 meters per second?
Anettt [7]

l=500m

speed=70m/s

t=?

t=500/70=7.14s

7 0
3 years ago
g n diffraction, the formula for minima is given by a times s i n (theta )equals m lambda, where a is the width of the slit, the
ki77a [65]

Answer:

θ = 22.2

Explanation:

This is a diffraction exercise

        a sin θ = m λ

The extension of the third zero is requested (m = 3)

They indicate the wavelength  λ = 630 nm = 630 10⁻⁹ m and the width of the slit  a = 5 10⁻⁶ m

         sin  θ = m λ / a

         sin  θ = 3 630 10⁻⁹ / 5 10⁻⁶

         sin  θ = 3.78 10⁻¹ = 0.378

          θ = sin⁻¹  0.378

         

to better see the result let's find the angle in radians

          θ = 0.3876 rad

let's reduce to degrees

         θ = 0.3876 rad (180º /π rad)

         θ = 22.2º

4 0
3 years ago
What is the relationship between dominant and recessive genes
Triss [41]
Dominant genes and recessive genes are both given to a parents offspring. However, not both can be expressed causing the difference of dominant and recessive. Dominant genes are more likely to be expressed and recessive genes are more likely to be repressed.
7 0
3 years ago
Which situation is a result of human activities?
ch4aika [34]
B acid rain in an area kills fish in a lake
7 0
2 years ago
If a man travels from 0m to 5m then back to -3m, all in four seconds, what is the mans displacement?
yawa3891 [41]

Answer:

-3 m

Explanation:

Displacement is the final position minus the initial position.

Δx = x − x₀

Δx = -3 m − 0 m

Δx = -3 m

7 0
3 years ago
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