An object travels 10 km at a speed of 100 m/sec and another 10 km at 50 m/sec. The average speed over the whole distance is

Question

An object travels 10 km at a speed of 100 m/sec and another 10 km at 50 m/sec. The average speed over the whole distance is (A)  75 m/sec (B)  55 m/sec (C)  66.7 m/sec (D)  33.3 m/sec

Tardigrade Admin · Accepted Answer

Correct answer is (c) 66.7 m/sec

Q. An object travels $10$ km at a speed of $100$ m/sec and another $10$ km at $50$ m/sec. The average speed over the whole distance is

$75 m / sec$

$55 m / sec$

$66.7 m / sec$

$33.3 m / sec$

Correct answer is (c) $66.7 m / sec$

Q. An object travels 10 km at a speed of 100 m/sec and another 10 km at 50 m/sec. The average speed over the whole distance is

75m/sec

55m/sec

66.7m/sec

33.3m/sec