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3 years ago

PLEASEEE HELPPPP

Physics

2 answers:

Evgen [1.6K]3 years ago

6 0

Answer:

The average car speed is 25.4 m/s

Explanation:

The definition of average speed is the total distance traveled between the total time

Vm = dx/dt (1)

To be able to use this equation let's calculate the total carriage distance

Xt = X1 + X2

X1 = 10 miles 1609 m / 1 miles = 16090 m

X2 = 10 miles 1609 m / 1miles = 16090 m

XT = 32180 m

Now let's calculate the total time

v = d / t

t = d / v

t1 = x1 / v1

t2 = x2 / v2

t1 = 16090/22

t1 = 731.36 s

t2 = 16090/30

t2 = 536.33 s

t all = t1 + t2

t all = 731.36 +536.33

t all = 1267.69 s

Having these values we use the initial equation

Vm = d / t

Vm = 32180 /1267.69

Vm = 25.38 m / s

The average car speed is 25.4 m/s

solniwko [45]3 years ago

5 0

Answer:

Explanation:

average speed more than 25.0m/s.

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