01-07-2017
Physics

contestada

A train travels 80 kilometers in 3 hours , and 84 kilometers in 2 hours .What is the average speed ?

Respuesta :

budwilkins budwilkins

01-07-2017

Average speed(v) = total distance(d) / total time(t), because d=v×t
So total d = 80 + 84km = 164km
Total t = 3 + 2hours = 5hrs
v = d / t = 164km / 5hrs = 32.8 km/hr

Answer Link

Otras preguntas

Write the answers in simplified Chinese characters

If you multiply a pair of complex conjugates, what number set will their product be a member of?

PLS HELP I BEG youuuu

Devin wants to buy some t-shirts from a store in the mall. He has $20 in his pocket and the t-shirts cost $5 each. The situation can be modeled by the function

Which is the correct use of the distributive property? 90 + 50 = 9 (10 + 5) 42 + 18 = 6 ( 7 +3 ) 77 + 66 = 11 (10 + 8)

What continent was still hunting in 3000bce

Please help me, God bless you.

In Mr. Senter's classroom, 2/3 of the students play sudoku. Of the students who play sudoku, 3/8 also play chess. If there are 24 students in his class, how

Solve for x: 3(x + 1) = −2(x − 1) + 6. 1 4 5 25

Question 10 - 10 PointsDuring a snowstorm, snow fell at a constant rate for a number of hours. Then it stopped snowing for a number of hours. Then it started up