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zhannawk [14.2K]
3 years ago
14

1. An object travels 15 m in 3 s. What is the speed of the car?

Physics
1 answer:
weqwewe [10]3 years ago
3 0

1. Depends on how past the car is moving

2. The velocity is 5m a second heading south

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On the graph of voltage versus current, which line represents a 2.0 Ω resistor?​
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Answer:

<h2>line B</h2>

Explanation:

According to ohm's law V = IR where;

V i sthe supply voltage (in volts)

I = supply current (in amperes)

R = resistance (in ohms)

In order to calculate the line that is equal to 2ohms, we need to calculate the slope of each line using the formula.

For line B, R = ΔV/ΔI

R = V₂-V₁/I₂-I₁

R = 14.0-4.0/7.0-2.0

R = 10.0/5.0

R = 2.0ohms

Since the slope of line B is equal to 2 ohms, this shows that the line B is the one that represents the 2ohms resistor.

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