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umka2103 [35]
3 years ago
12

Which of the following is equal to distance divided by time?

Physics
2 answers:
givi [52]3 years ago
4 0

To find <em>Speed </em>you divide distance by time.

Reasoning:

Displacement is the change in an object's position from the origin.

To find Acceleration you use the equation a=v^2/r

To find Velocity you divide the distance by the time it takes to travel that distance, then you add your direction to it.

<em>To find speed you use distance is over time</em>


topjm [15]3 years ago
3 0

The answer is D. Speed. The equation for speed is distance/time. For example, If I were to travel 60 miles in two hours, to find the average speed, you would divide 60 by 2, to get 30 miles/hour.

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aleksandrvk [35]

Answer:

\theta = 49.56 degree

Explanation:

Relative horizontal velocity of plane with respect to the car is given as

v_r = v_p - v_c

so we have

v_p = 215 km/h

v_c = 155 km/h

now we have

v_r = 215 - 155

v_r = 60 km/h

v_r = 16.67 m/s

Now time taken by the object to drop the vertical height is given as

y = \frac{1}{2}gt^2

78 = \frac{1}{2}(9.81)t^2

t = 3.98 s

so the distance of the car must be

d = v_r\times t

d = 16.67 \times 3.98

d = 66.47 m

Angle of the car with horizontal is given as

tan\theta = \frac{y}{x}

tan\theta = \frac{78}{66.47}

\theta = tan^{-1}(1.17)

\theta = 49.56 degree

5 0
3 years ago
Please help on this one? PLEASE.
Fantom [35]

Answer: The answer is D

Explanation:

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Suppose that at room temperature, a certain aluminum bar is 1.0000 m long. The bar gets longer when its temperature is raised. T
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Answer:

0.00034 m

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