3 years ago

Which is a correct definition of a transition in writing?

Physics

1 answer:

Elenna [48]3 years ago

7 0

They're words or phrases that help convey the thought of one sentence or paragraph to another

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The distance between two cities is 144km,it takes me 3hours to travel between these cities.What speed did I travel at?

Alex787 [66]

Answer: 48 km/hr

Explanation:

speed= distance/time

144/3

=48 km/hr

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3 years ago

What type of reaction in the diagram?

IRISSAK [1]

Answer:

b, i think

Explanation:

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3 years ago

For each pair of terms below, write a sentence that summarizes how they are different.

Maksim231197 [3]

Answer:

Thermal expansion ,thermal contraction

Explanation:

They are different because it has different cause and chemical reactions

thermal contraction is a chemical reaction

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2 years ago

What do odometer and speedometer read ?

maksim [4K]

Odometer: tells you the distance traveled by vehicle since it was new (or when last reset)

Speedometer: tells you the velocity of the vehicle at that moment.

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3 years ago

A 40.0 kg wagon is towed up a hill inclined at 18.5 degrees with respect to the horizontal. The tow rope is parallel to the incl

sp2606 [1]

Answer:

7.9m/s

Explanation:

We are given that

Mass of wagon=40 kg

$\theta=18.5^{\circ}$

Tension= $140 N$

Initial velocity of wagon= $u=0$

Displacement=s=80 m

Net force applied on wagon= $F=T-mgsin\theta=140-40(9.8)sin18.5=15.7 N$

By using $g=9.8m/s^2$

$a=\frac{F}{a}=\frac{15.7}{40}=0.39m/s^2$

We know that

$v^2-u^2=2as$

Using the formula

$v^2=2\times 0.39\times 80$

$v=\sqrt{2\times 0.39\times 80}=7.9m/s$

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3 years ago