The added weight of the sand puts more downward pressure on the wheels contacting the rails, which would cause the trains speed to decrease.
Hey there!
So we know that m*v=P.
And in this question m=30
v=5 m/s
P = 30*5 Kgm/s
P = 150 Kgm/s
So, your final answer is 150 Kg.m/s
Hope this helps! :)
Answer:
4.54
Explanation:
X+10X=50
11X=50
X=4.54#
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The answer is 2Hz
Using the formula f= 1/T we can plug in .5 for T and solve for frequency.
