Physics, asked by aksingh080705, 6 hours ago

A truck covers 4 covers 4 equal parts of its journey with speeds 10 km/h 20 km/h 30kmill, 40 km/h. Find average speed.

Answers

Answered by n5435703

1

Explanation:

20 km/hr

Averagespeed=

totaltime

totaldistance

and time=

speed

distance

total distance = 4×3=12

total time =

10

3

+

20

3

+

30

3

+

60

3

=

60

36

hr

speed =

36

12

×60=20 kmph

Previous Question

Next Question

Similar questions

Math, 3 hours ago

find 8 3/8 of 3/7 pls answer briefly...

Math, 3 hours ago

hello everyone pls answer this question correctly pls take a paper and draw a Venn digram with the correct answer and pls send me...

Biology, 3 hours ago

which band of muscle polarize the light? A. a band. B. i band...

Geography, 6 hours ago

How do forests play an important role in protecting the environment.

English, 6 hours ago

Who is David Williams ? if possible attach his picture also...

Biology, 7 months ago

Explain darwin theory of natural selection shortly...

Chemistry, 7 months ago

Conductivity of 0.01 M KCl solution is 0.00082 S cm-7. What happens to this conductivity if extra 1000 mL of water is added to the above solution? Increases Decreases Remains constant First increases and then decreases...

Math, 7 months ago

1. Show that x = 1, y = 3 satisfy the linear equation 3x – 4y + 9 = 0. 2. Look at the following graphical representation of an equation. Which of the points (0, 0) (0, 4) or (– 1, 4) is a solution of the equation? 3. Look at the following graphical representation of an equation. Which of the following is not its solution? (a) (6, 0) (b) (4, 0) (c) (2, 3) 4. Is (3, 2) a solution of x + y = 6?