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irina [24]
3 years ago
10

A runner starts from rest, runs for 30

Physics
1 answer:
aleksklad [387]3 years ago
6 0

Answer:

u=0

t=30s

a=2m/s²

v=?

v= u+at

= 0+(30)(2)

= 60m/s

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#1

Jill and Scott both moves for 30 minutes

now if Jill cover 5 km distance and Scott cover 10 km distance

now we know that the formula of speed is given as

speed = \frac{distance}{time}

now we will have

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v = \frac{5}{0.5} = 10 km/h

speed of Scott

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<em>#2</em>

distance travelled by each car is given as

d = 400 miles

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t_2 = 8 hours

now we can find the speed of two cars

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<em>The yellow car was faster.  Yellow traveled at a speed of 50 mph while green was traveling at an average of 40 mph.</em>

6 0
3 years ago
Read 2 more answers
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Explanation:

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3 years ago
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