Given : Distance from A to B, B to C and C to D are equal. If the distances from A to B, B to C and C to D are equal and it takes 3 hours to travel from A to B, find the average speed from A to D. So, the average speed for the whole journey is about 44.44 miles/hour.
So, the formula to find average distance isĪverage speed = (2 ⋅ 40 ⋅ 50) / (40 + 50) Speed ( from B to A ) = 50 miles/hour (25% increased) Find the average speed for the whole journey. He comes back from place B to place A with 25% increased speed. So, the speed from place A to B is 60 miles per hour.Ī person takes 5 hours to travel from place A to place B at the rate of 40 miles per hour. The distance traveled in both the ways (A to B and B to A) is same. If the constant-speed for the whole journey is 80 miles per hour, find his speed when he travels from the place A to B. When he comes back from place B to place A, he increases his speed 2 times. So, the speed from place A to B is 90 miles per hour.ĭavid travels from the place A to place B at a certain speed. Here, both the ways, he covers the same distance. When he comes back from place B to place A, his speed is 60 miles per hour.If the average speed for the whole journey is 72 miles per hour, find his speed when he travels from the place A to B. Jose travels from the place A to place B at a certain speed. Instantaneous speed, the speed of an object. So, the average speed for the whole journey is 62 miles per hour. We dont know anything about any of those details when we calculate average speed, just the total time and distance. What was his average speed for the whole journey ? David drove for 3 hours at a rate of 50 miles per hour, for 2 hours at 60 miles per hour and for 5 hours at a rate of 70 miles per hour.
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