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Vera_Pavlovna [14]
3 years ago
11

Which environmental changes occur faster?

Physics
2 answers:
irga5000 [103]3 years ago
6 0
The answer is B. Oil Spill
enot [183]3 years ago
4 0

He/She is right!

Yes. I just did the test the answer is

B). Oil Spill

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KonstantinChe [14]

Answer:

Reflective clothing. So vehicles can see them and stuff.

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2 years ago
Suppose a wheel with a tire mounted on it is rotating at the constant rate of 2.59 times a second. A tack is stuck in the tire a
Vesna [10]

Answer:

Tangential speed=5.4 m/s

Radial acceleration=88.6m/s^2

Explanation:

We are given that

Angular speed=2.59 rev/s

We know that

1 revolution=2\pi rad

2.59 rev=2\pi\times 2.59=5.18\pi=5.18\times 3.14=16.27 rad/s

By using \pi=3.14

Angular velocity=\omega=16.27rad/s

Distance from axis=r=0.329 m

Tangential speed=r\omega=16.27\times 0.329=5.4m/s

Radial acceleration=\frac{v^2}{r}

Radial acceleration=\frac{(5.4)^2}{0.329}=88.6m/s^2

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3 years ago
A train travels 100 km east and then 75 km west. What is the magnitude of<br> its displacement?
tamaranim1 [39]

Answer:

displacement = 100 - 75 = 25 km east

6 0
3 years ago
How are the direction of the net force on an object and the direction of the object’s acceleration related?
Oksanka [162]

They're the same direction.

8 0
3 years ago
A container contains 200g of water at initial temperature of 30°C. An iron nail of mass 200g at temperature of 50°C is immersed
d1i1m1o1n [39]

Answer:

Assuming there is no heat loss to the surrounding.

Heat lost by iron equals heat gained by water.

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x=31.94 °C

Explanation:

4 0
3 years ago
Read 2 more answers
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