aquatae aquatae

23-09-2018
Mathematics

contestada

A car travelling at 90km/h is 500m behind another car travelling at 70km/h in the same direction. How long will it take the first car to catch the second?

Respuesta :

SlipSour95 SlipSour95

23-09-2018

Relative speed: 90 - 70 = 20 km/h

s = d ÷ t

t = d ÷ s

t = 500 m ÷ 20 km/h x 1000 m/h x 1 ÷ 60 hr/mins

t = 1.5 minutes.

Answer Link

Otras preguntas

when did Madagascar break away from the south america african part of Gondwanaland

3. What is the least common multiple that Valerie can use to add three fractions with denominators of 6, 8, and 9?

solve for x: 3x-5=2 A. no solution B. 7/3 C. -1 D. 3

what is 7.86 x 10 to the negative 2nd power kL in dL?

What is the component of 3i^ + 4j^ along i^+j^

what is the answer to this? 6[5•(41-36)-8+14)]

line J passes through points (-6,1) and (-3,6) . Line m is parallel to line j and passes through point (15,-1).what is the equation of line m ?

what competitions will occur after the Olympic games end?

There is a positive association between number of drowning and ice cream sales, this association is likely

Anybody know the answer??