09-12-2014
Physics

Answered

A dog runs down his driveway with an initial speed of 5 m/s for 8 s, and then uniformly increases his speed to 10 m/s in 5 s.

A) what was his acceleration during the 2nd part of the motion?
B) how long is the driveway

Answer :

anshumandas1997 anshumandas1997

10-12-2014

Acceleration is given by change in velocity divided by change in time, so his acceleration should just be (10-5)/5 which is [tex] \frac{5}{2} \frac{m}{s^{2}} [tex]

The driveway is 40 meters plus 225/4. You can do the math.

Answer Link

Other Questions

A fundraiser raised 2400 which was 35 of the goal Write and solve an equation to find the amount of the goal

Find the geometric mean of 5 amp 8 Write the exact answer do NOT round

How do the daughter cells compare to the parent cells

whats the difference between 5 and a number

A change of the DNA in an organism that results in a new trait is known as a

Thirty is 12 of what number

I need a 2 step equation that equals 15

Which sentence correctly forms the plural of the letter r A I wrote extra rs at the end of roarrr to show the sound the lion made B I wrote extra rs at the end

what is the answer to this question rounding off 487 to the nearest ten

An iron rod is Aa good conductor of heat and electricity but not magnetic B magnetic and a good conductor of heat but is an insulator of electricity C magnetic