What is the acceleration of a vehicle that goes from 70 m/s to a stop in 35 s?

Answers

Answer 1
Answer: u=70 , v= 0, t=35, a=?
v=u+at
0=70+a(35)
-70=35a
a=-2m/s^2
Decelerate 2ms^-2 or acceleration is -2ms^-2

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Electrical outlets in a house maintain a steady voltage, even when the amount of resistance on them changes. How is this possible?

Answers

The situation presented above is possible because the outlets could be operating in a parallel circuit. Electrical outlets in a house maintain a steady voltage, even when the amount of resistance on them changes because it operates with a parallel circuit wherein voltage is constant even if resistance changes.

What causes the difference between quiet and explosive eruptions?Explain.

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Well it depends on how much silica is in the magma ?

What is information that is encoded as a string of 1s and 0s?

Answers

Answer: a digital signal

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The tropics are generally warm year round because they are near the ___________, which faces the sun more directly all year.

Answers

They are near the equator.
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Which statement best describes beaches?A.) Beaches are always changing due to factors such as waves adding and eroding sand.

B.) Beaches change little over time as waves follow the same patterns year after year.

C.) Beaches change little over time as wind patterns stay the same.

D.) Beaches change little over time as waves move further up the shore.

Answers

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A book sits at the top of a bookshelf is this question kinetic or potential energy

Answers

The answer is potential energy. Kinetic energy is created by motion.
It would be potential energy because kinetic is when it is in motion