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Rudik [331]
3 years ago
14

1. You take a trip to Philadelphia to see a concert. Your older friend drives you there. The

Physics
1 answer:
Andrej [43]3 years ago
6 0

Answer:

37.5

Explanation:

divide

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When most chemical reactions take place, some ____ in the reactants must be broken, a process that requires energy.
BabaBlast [244]

Answer:

compound I believe number 1

6 0
3 years ago
Read 2 more answers
Two blocks of ice, one four times as heavy as the other, are at rest on a frozen lake. A person pushes each block the same dista
qaws [65]

Answer:b

Explanation:

Given

mass of heavy object is 4m

mass of lighter object is m

A person pushes each block  with same force F

According to Work Energy theorem Change in kinetic energy of object is equal to Work done by all the object

As launching velocity is same for both the object so heavier mass must possess greater kinetic energy . For same force heavier mass must be pushed 4 times farther than the light block .

\Delta (K.E.)_H=\frac{1}{2}(4m)v^2

\Delta (K.E.)_L=\frac{1}{2}(m)v^2

\Delta K.E.=F\times d

So the correct option is b

4 0
3 years ago
I'm trying to find the potential energy of a planet using formula G M(sun) x m(planet) / r. I have given G - newton's graviation
ludmilkaskok [199]

Answer:

-5.39\times10^{33} J

Explanation:

Potential energy =

-\frac{GMm}{r}\\=-\frac{6.67\times10^{-11}\times1.99\times10^{30}\times5.97\times10^{24}}{147/1\times10^{9}}\\=-5.39\times10^{33} J

7 0
2 years ago
By the 2nd century BCE the ____ democratized astrology<br> A. Greeks<br> B. Egyptians<br> C. Romans
elena-14-01-66 [18.8K]

Answer:

A

Explanation:

3 0
3 years ago
Katie traveled southwest a distance of 4000m on a bicycle in 5400s. What is her velocity?
nlexa [21]
The correct answer would be 1.35m/s sw.
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3 years ago
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