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olga55 [171]
3 years ago
14

A ______________ is very general in nature, while a ________________ specifies what we want to study more specifically, suggesti

ng the key concepts we need to know Group of answer choices research topic; research question (hypothesis) non-systematic idea; systematic idea systematic idea; non-systematic idea research question (hypothesis); research topic
Physics
1 answer:
vova2212 [387]3 years ago
6 0

Answer:

research topic and research question (hypothesis)

Explanation:

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When frozen ice cream melts, the atoms in the ice cream move further apart. move closer together. become ions. become electrons.
DedPeter [7]
It moves further apart
5 0
3 years ago
Read 2 more answers
A 0.0663 kg ingot of metal is heated to 241◦C
Westkost [7]

Answer:280.216j/kg°C

Explanation:

Mass of metal=0.0663kg

mass of water=0.395kg

Final temperature=27.4°C

Temperature of metal=241°C

Temperature of water=25°C

specific heat capacity of water=4186j/kg°C

0.0663xax(241-27.4)=0.395x4186x(27.4-25)

0.0663xax213.6=0.395x4186x2.4

14.16168a=3968.328

a=3968.328 ➗ 14.16168

a=280.216j/kg°C

4 0
3 years ago
In a two-slit experiment, the slit separation is 3.00 × 10-5 m. The interference pattern is created on a screen that is 2.00 m a
balu736 [363]

Answer:

The value is  \lambda  = 214.3  \ nm

Explanation:

From the question we are told that

   The  slit separation is  d =  3.00 * 10^{-5} m

    The  distance of the screen is  D =   2.00\ m

    The  order of fringe is  n  =  7

    The path difference is  y =  10.0 \ cm  =  0.1 \  m

    Generally the path difference is mathematically represented as

      y =  \frac{n *  \lambda  *  D}{ d}

=>   0.1 =  \frac{7 *  \lambda  * 2.00 }{ 3.00 * 10^{-5}}

=>  \lambda  =  \frac{0.1 *3.00 * 10^{-5} }{7 * 2.00 }

=>   \lambda  =  \frac{0.1 *3.00 * 10^{-5} }{7 * 2.00 }

=>   \lambda  = 2.143 *10^{-7} \  m    

=>    \lambda  = 214.3  \ nm

6 0
3 years ago
a tennis ball is thrown straight up with an initial velocity of 22.5 m/s how much total time is the ball in the air
lutik1710 [3]

Answer:

4.6s

Explanation:

v=u+at

0=22.5+(-9.8)t

-22.5=-9.8t

t=-22.5/-9.8

t=2.295 s

The total time will double

2.295×2=4.59s

=4.6s

6 0
3 years ago
What would a series circuit be used for?
igor_vitrenko [27]

Answer:

C

Explanation:

a series circuit would be an odd choice to power a battery or light a lamp when a direct would be much more efficient, and it's not converting types of energy, so C is the best possible answer

6 0
3 years ago
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