Question

please solve the problem in physics and show me the calculation in picture​

Answer 1

Answer:

ANSWER NUMBER 1 : THE BOY GOES BY BUS TO HIS SCHOOL AT THE SPEED OF 20 KILOMETRE PER HOUR AND THEN HE RETURNS ALSO WITH THE SPEED OF 30 KM PER HOURS SO IF YOU WILL ADD THE SPEECH THE ANSWER WILL BE 50 KILOMETRE PER HOUR BUT IT CANNOT BE POSSIBLE SO YOU HAVE TO SIMPLY JUST SUBTRACT 20 BY 30 AND YOU WILL GET THE ANSWER AS 10 SO FIRST YOU WAS GOING TO SCHOOL BY BUS AT THE SPEED OF 20 KM PER HOUR HE RETURNED BY 30 KM PER HOUR SPEED SO THE QUESTION IS ASKING FOR THE AVERAGE SPEED SHOW THE ANSWER WHICH CAME OF 10 KILOMETRE PER HOUR IS THE RIGHT ANSWER YOU JUST HAVE TO ADD 20 + 10 KILOMETRE PER HOUR AND THE ANSWER WILL BE AS 30 KILOMETRE PER HOUR SO, OPTIONS SHE IS THE CORRECT ANSWER.

Explanation:

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Answer 2

Answer:

the answer is 24 kilometre per hour..

Explanation:

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