alleryStart learning →How does a speed of 54 km/h compare with 15 m/s?
A15 m/s is faster
B54 km/h is faster
CCannot compare them
DThey are equal
Answer & Solution
Correct answer: D. They are equal
Dividing 54 km/h by 3.6 gives 15 m/s, so the two speeds are equal.
Keep practising Motion and time
Browse all Motion and time questions for Olympiad (Class 7), or explore more Science topics.
Related questions
A body's distance is doubled and its time is halved. By what factor does its speed change?A vehicle covers 1 km every minute. What is its speed in km/h?Why were mercury and gridiron pendulums invented in the 1700s?Why must a pendulum clock be fixed firmly to a sturdy wall?What is the SI unit of the period of a pendulum?A pendulum makes 20 oscillations in 40 s. What is its period?A pendulum takes 2 s per oscillation. How many oscillations occur in 1 minute?What replaced pendulum clocks as the world's best timekeepers?