Answer:
Explanation:
I=Q2- Q1
And I = F. (t2-t1)
t = 0,32s
v = 8,5 m/s
Q = m.v
Q=66,5.8,5 = 565,25 kg.m/s
F. (t2-t1) = 565,25
F.0,32 = 565,25
F = 1766,4 N
Answer:
A
Explanation:
the string would be dangling backwards because you are moving forward it would be putting backward force on the string
Answer: A. It follows one prescribed sequence of steps.
Explanation:
A scientific method can be define as the procedure which is required to be followed so as to prove the cause of a scientific phenomena. The scientific method usually consist of steps of experimentation procedures which are performed under controlled conditions so as to avoid any error in the observation as well as in the results. The scientific method is necessary to relate the experimental conditions with the nature.
Answer:
1 second
Explanation:
Impluse is the product of force and time. Specifically the force over a time interval is know as impulse. From the second law of motion we get impulse being equal to the change in momentum.
u = Initial velocity = 2 m/s
v = Final velocity = 0
t = Time taken
F = Force applied = 4 N
Time the force has to be applied is 1 second.
Answer:
<em><u>1- The graph provides a comparison of the different marketing strategies</u></em>
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<em><u>2- The graph helps in selecting the best marketing strategy to improve sales</u></em>
Explanation:
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