We have that the speed of a body covering a distance of 320 km in 4h is mathematically given as
V=22.22m/s is
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From the question we are told
calculate the speed of a body covering a distance of 320 km in 4h
Generally the equation for the Speed is mathematically given as

V=22.22m/s
Hence
The speed of a body covering a distance of 320 km in 4h is
V=22.22m/s
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Given:
F = 39 N, the force applied
t = 2 s, the time interval in which the force is applied.
By definition, the impulse is

Answer: 78 N-s
Answer:
1, 2 and 3
Explanation:
The most dense substance will settle at the bottom of the cup
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