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snow_lady [41]
3 years ago
9

Brian is riding his bike. He biked a distance of 14 miles at a rate of 14 miles per hour. Rearrange the distance formula, d = rt

, to solve for Brian's time in minutes.
Mathematics
1 answer:
Agata [3.3K]3 years ago
8 0

Answer:

60 minutes.

Step-by-step explanation:

Distance = Rate × Time

14 miles = 14mph × ?

Hence, time = 14 miles ÷ 14 mph = 1 hour

1 hour = 60 minutes.

He rode his bike for 60 minutes.

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Answer:

7.67

Step-by-step explanation:

Given the data :

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1 _____15

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3 ____ 19

4 ____ 18

5 ____ 19 ____ 17 _______ 2____4

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8 0
3 years ago
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What force would have been applied to the bus from t=16 s to t=21 s? Assume the mass of the bus was 50 kg.
Svetllana [295]

Applying Newton's Second Law, it is found that the force, in Newtons, is given by:

F = 10[v(21) - v(16)]

Newton's Second Law states that Force, in Newtons, is <u>mass times acceleration</u>, that is:

F = ma

In this problem, mass of 50 kg, thus m = 50

Acceleration is <u>change in velocity divided by change in time</u>, that is:

a = \frac{\Delta_v}{\Delta_t}

In this problem, we don't know the velocities, but know that time is from 16s to 21s, thus:

\Delta_t = 21 - 16 = 5

\Delta_v = v(21) - v(16)

Thus, the force is given by:

F = ma

F = m\frac{\Delta_v}{\Delta_t}

F = 50\frac{[v(21) - v(16)]}{5}

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A similar problem is given at brainly.com/question/18801986

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Number of friends in the group = Number of cards in the package / Number of cards each friend gets

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