How do I find work and time?
1 answer:
<span><span>Work from Days:<span><span><span>If A can do a piece of work in n days, then A's 1 day's work =</span></span></span></span><span /></span>
<span><span>Days from Work:<span><span>If A's 1 day's work =</span></span></span></span><span><span><span><span>,<span>then A can finish the work in n days</span></span></span></span><span>Ratio:If A is thrice as good a workman as B, then:Ratio of work done by A and B = 3 : 1.Ratio of times taken by A and B to finish a work = 1 : 3.</span></span>
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Initial velocity of the object: 5 m/s
Explanation:
The figure in the problem is missing: find it in attachment.
The graph in the figure represents the velocity of an object (v) versus the time passed (t).
Here we are asked to find the initial velocity of the object.
This means that we have to find the velocity of the object when the time is zero, so when
t = 0
By looking at the corresponding value on the y-axis (velocity), we see that when t = 0, then
v = 5 m/s
Therefore, the initial velocity of the object is 5 m/s.
Learn more about velocity:
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