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tiny-mole [99]
3 years ago
6

why is time an independent variable and position is a dependent variable in a position versus time graph

Physics
1 answer:
zhuklara [117]3 years ago
8 0
Because the position depends on the amount of time that has passed.
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How does the Doppler effect cause a siren's pitch to increase as it
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Please help me! Uniform acceleration problem sheet:
Brrunno [24]

From the calculation, the value of the acceleration is 5.8 m/s^2.

<h3>What is uniform acceleration?</h3>

The term uniform acceleration refers to a situation in which the velocity increases by equal amounts in equal time intervals.

Given the fact that the car started from rest and reached a velocity of  780.34 mph or 348.84 m/s in 1 minute of 60 seconds;

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a = v/t

a = 348.84 m/s/ 60 seconds

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7 0
2 years ago
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kirza4 [7]

Answer:ghhg

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8 0
3 years ago
in order to qualify for the finals in a racing event, a race car must achieve an average speed of 278 km/h on a track with a tot
Pachacha [2.7K]

The minimum average speed it must have in the second half of the event in order to qualify is 414.7 km/h.

<h3>What is average speed?</h3>

The average speed of an object is the ratio of total distance traveled by the object to the total time of motion of the object.

<h3>Total time taken by the car during the entire race</h3>

time = distance/average speed

time = (1.41 km) / (278 km/h)

time = 0.0051 hr

The car travels the first half of the race, d (¹/₂ x 1410 m) at 210 km/h;

d = 705 m = 0.705 km

t1 = 0.705/210

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<h3>time for the second half</h3>

t2 = 0.0051 - 0.0034 hr

t2 = 0.0017 hr

<h3>minimum average speed of the second half</h3>

v = d/t

v = 0.705 km / 0.0017 hr

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Thus, the minimum average speed it must have in the second half of the event in order to qualify is 414.7 km/h.

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6 0
1 year ago
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