The speed limit on some interstate highways is roughly 80 km/h. What is this in meters per second? How many miles per hour is th
is?
1 answer:
Answer:
1) Speed in m/s equals 22.22 m/s.
2) Speed in miles per hour equals 49.712 mph.
Explanation:
Since we know that in 1 kilometer there are 1000 meters and in 1 hour there are 3600 seconds hence we can write

Now we know that 1 mile equals 1.609 kilometer hence we conclude that 1 kilometer equals
mile
Hence

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Answer:

Explanation:
We could use conversation of energy. Total distance the stone will cover will be

the Final velocity will be

Answer:
10N
Explanation:
Equation: ΣF = ma
Fapp = ma
Fapp = (2kg)(5m/s^2) (im guessing you mean 5.00 m/s^2 not m/s)
Fapp = 10*kg*m/s^2
Fapp = 10N
The answer for this question, If I am correct, should be answer "D".
Answer:
Energy. They need energy.
Explanation: