Find Speed
D= 64 km
T= 2 hr
32 km/hr
T= 3 hr
S= 22km/hr
66 km/hr
D= 75 km
S= 50 km/hr
1.5 hr
The average speed of a ship for the first hour of a journey is 32 km/hr. It's average speed for the next two hours is 41 km/hr. Find its average speed for the whole journey
38 km/hr
D= 200 m
T= 25s
8 m/s
T= 7s
S= 5m/s
35 m
D = 39 m
S= 3 m/s
13 s
Jack runs at an average speed of 4 mph for 1 hour. He then cycles 6 miles at 12 mph. Find his average speed for the whole journey.
6.67 mph