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Ilia_Sergeevich [38]
2 years ago
14

What are the control variables in your investigation ?

Physics
2 answers:
adoni [48]2 years ago
8 0
It is type car and same person
Ivan2 years ago
3 0

Answer:

Height of the ramp, Distance Car traveled and type of toy car.

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What includes a distance and a direction? A. Displacement B. Velocity C. Speed D. Acceleration
iren [92.7K]

hi <3

the correct option would be A. displacement. displacement is distance in a direction

hope this helps :)

7 0
3 years ago
Read 2 more answers
When a light bulb is connected to a 4.5 V battery, a current of 0.16 A passes through the bulb filament. What is the resistance
larisa [96]

Answer:

R = 28.125 ohms

Explanation:

Given that,

The voltage of a bulb, V = 4.5 V

Current, I = 0.16 A

We need to find the resistance of the filament. Using Ohm's law,

V = IR

Where

R is the resistance of the filament

So,

R=\dfrac{V}{I}\\\\R=\dfrac{4.5}{0.16}\\\\R=28.125\ \Omega

So, the resistance of the filament is equal to 28.125 ohms.

5 0
2 years ago
What is the mass of an object that has an acceleration of 2.63 m/s^2 when an unbalanced force of 112 N is applied to it?
shusha [124]
112/2.63= 42.586
42.586 is your answer I need 20 characters
6 0
3 years ago
In a grassland ecosystem, praying mantises catch and eat grasshoppers. However, there has been a significant decrease in the pra
Alekssandra [29.7K]

Answer:

The population will increase because grasshoppers are the prey.

Explanation:

If there has been a significant decrease in the praying mantis population in recent years. This most likely affect the grasshopper population over time by the population will increase because grasshoppers are the prey. If there is less praying mantis then grasshoppers won't be eaten as much so the population of the grasshoppers will thrive

7 0
3 years ago
Read 2 more answers
A body with mass 4 kg moves with a velocity of 108km/h <br> Calculate it kinetic<br> energy
Fed [463]

Explanation:

The answer is in the pic above

4 0
3 years ago
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