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julsineya [31]
3 years ago
9

The only type of investigation that involves a control group is

Physics
2 answers:
OleMash [197]3 years ago
4 0
<span>experimental? I hope that helps :)</span>
frez [133]3 years ago
3 0
An experimental one. Hope this helped.
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How long was a 60 W light bulb turned on if it used a total of 580 J of energy?
icang [17]
Here's the tool you need.  You can't answer the question without this:

           "1 watt"
means
           "1 joule of energy, generated, used, or moved, every second".

So      60 watts  =  60 joules per second

           Total energy generated,
            used, or moved                  = (power) x (time).

                                     580 joules  =  (60 watts) x (time)

Divide each side
by  (60 watts):              Time  =  (580 joules) / (60 joules/sec) 

                                               =  (9 and 2/3)  seconds  .
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Is sunlight and beat abiotic or biotic?
n200080 [17]
The sun is abiotic-Brainly.com
8 0
3 years ago
Each tyre of a car has an area of 100 cm2 in contact with the ground. The car has a mass of 1600 kg. The weight of the car is eq
vlabodo [156]

Answer:

b is the answer

Explanation:

tq friend b is the answer

3 0
3 years ago
Read 2 more answers
Sound waves are classified as which type of wave?answer
iren [92.7K]
The answer is D. I hope this helps
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3 years ago
A car drives 23m/s east for 35 seconds. What is the displacement?
Lina20 [59]

Answer:

805m

Explanation:

Speed = displacement/time

Speed = 23m/s

Time = 35s

Displacement = speed × time

= 23 × 35

= 805m

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