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Alenkinab [10]
3 years ago
9

Which statement describes a switch in an electrical circuit?

Physics
2 answers:
elena55 [62]3 years ago
6 0

Answer:

It I’d B

Explanation:

Ape.x

Misha Larkins [42]3 years ago
4 0

Answer:

B. The magnet has magnetized the right side of the block.

Explanation:

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A skier stands at the top of a 50 meter slope. He then skis down the slope. What is his approximate speed at the bottom of the s
dedylja [7]

Answer:

31 m/s

Explanation:

7 0
2 years ago
Toy car in a science experiment covers 1.6 meters in half a second. If a the car travels at a steady speed, how far will it go i
Tanzania [10]
The answer is D. 32 m.

The simple equation that connects speed (v), time (t), and distance (d) can be expressed as:
v= \frac{d}{t}         ⇒ d=v*t

It is given:
v =  \frac{1.6m}{0.5s} = \frac{1.6m*2}{0.5s*2}= \frac{3.2m}{1s}  = 3.2 m/s
t = 10 s
d = ?

So:
d= v*t=3.2m/s*10s = 32m
3 0
3 years ago
Why do atoms do group 1 element lose electrons to form cations
Mrac [35]

Answer:

when a element of 1 group take part in reaction, its atom looses outer electron and form positively charged ions called Cation.

Explanation:

8 0
3 years ago
Why do we use atomic models?
vlabodo [156]
Models help us to understand systems and their properties
3 0
2 years ago
How long does it take light to travel 850 km in a vacuum? Answer in ms.(Express your answer to two significant figures.)
poizon [28]

Answer:

0.002833 sec

Explanation:

Speed of light in vacuum is 3\times 10^{8}m/sec

Given distance = 850 km = 850×1000=850000 m

We have to calculate the time that light take to travel the distance 850 km

Time T=\frac{distance }{speed}=\frac{850000}{3\times 10^8}=2.833\times 10^{-3}sec

So the time taken by light to travel 850 km is 0.002833 sec

5 0
3 years ago
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