Rod a has twice the diameter of rod b, but both are made of iron and have the same initial length. both rods are now subjected to the same change in temperature (but remain solid). how would the change in the rods’ lengths compare? (a)rod a > rod b. (b)rod b > rod a. (c)rod a = rod b. (d) need to know whether the rods were cooled or heated.

Answer: it will take   4.36 seconds to reach her average velocity 10.69 miles/hour.explanation:   we have equation of motion ,where s is the displacement, a is the acceleration, u is the initial velocity and t is the time taken.average velocity = displacement/ time taken.average velocity = 10.69 miles/hr = 10.69*1.6*1000/(60*60) = 4.75 m/s4.75 = s/ts = 4. 1we also have acceleration = 2.18 m/s², initial velocity = 0 m/sso it will take   4.36 seconds to reach her average velocity 10.69 miles/hour.

Iwas going to ask that quesytion  sorry dude i dont  know : (    : /

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