If positive work is being done to an object...
1 answer:
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Answer:30.50 m
Explanation:
Given
coefficient of friction between railroad and crates
Train initial velocity (u)
To get the shortest distance brakes applied should be order of friction force between crates and railroad floor
using
where v=final velocity
u=initial velocity
a=acceleration or deceleration
s=distance
here v=0 , u=16.94 m/s
s=30.502 m
Answer:
Directly proportional
Explanation:
Ohm's law states that the electric current is directly proportional to the voltage between two points. Its mathematical form is given by :
R is resistance
In a circuit, voltage and current are directly proportional to each other. So, the correct option is (a) "directly proportional".