Physics, asked by renthleidawnga1, 5 hours ago

a car travels at a speed of 40km/h,then at 55 km/hr for 20 minutes and finally at 20km/h for 20 minutes. What is the aversge speed of the car

Answers

Answered by HAWKEYE04

0

Answer:

47.5 km/hr

Explanation:

v av= (v1/t1 + v2/t2)/t1+t2

= (v1/t + v2/t)/t+t

= (v1 +v2)/2

= 95/2 = 47.5 km/h

Previous Question

Next Question

Similar questions

Biology, 3 hours ago

what is cluster nursing activities?

Math, 3 hours ago

plot at least six points in a graph sheet each having the sum of its coordinates equal to 6 hint (-3,8) (2,5)...

English, 3 hours ago

Jayne purchase LG Washing Machine from FK store, Zion street,Aizawl.He used it for only a week and then he noticed that his machine was not functioning properly like it should be. She would a letter of complain to the manager of FK store.

Hindi, 5 hours ago

मैंने उससे ऋण लेकर वापस कर दिया। convert into sanyukt vakya...

English, 5 hours ago

do you think Shankar or p had written the word tell on the black boards?give a reason for your answer.

Math, 8 months ago

simplify the following numerical expressions 3 _(5_6÷3) ...

Science, 8 months ago

Which among the following diseases spread by house fly? Chicken Pox, Diarrhea, Night blindness, Dengue...

English, 8 months ago

Who is the longest man in the world?