Question

a red kangaroo can hop at speeds of 65 km/hr. how much time will it take the kangaroo to hop 0.25 km at that speed?

Answer 1

To calculate the time it takes for a kangaroo to hop 0.25 km at a speed of 65 km/hr, we can use the formula: time = distance / speed. It will take the kangaroo approximately 0.23 minutes to hop 0.25 km at a speed of 65 km/hr.

Step-by-step explanation:

To calculate the time it takes for a kangaroo to hop 0.25 km at a speed of 65 km/hr, we can use the formula:

time = distance / speed

Converting the speed to meters per hour (1 km = 1000 m) and the distance to meters (1 km = 1000 m), we get:

time = 0.25 km * (1000 m/km) / (65 km/hr * (1000 m/hr))

Simplifying the units, the answer is:

time = 0.25 / 65 = 0.00385 hours

Converting hours to minutes (1 hour = 60 minutes), the time is approximately:

time = 0.00385 * 60 = 0.23 minutes

Therefore, it will take the kangaroo approximately 0.23 minutes to hop 0.25 km at a speed of 65 km/hr.

Answer 2

Time = (distance) / (speed)

Time = (0.25 km) / (65 km/hr)

Time = 0.00385 hour

(That's 13.85 seconds.)

Better way:

Distance = 0.25 km

Distance = 250 meters

Speed = (65 km/hr) x (1000 m/km) x (1 hr/3600 sec)

Speed = 18.06 m/sec

Time = (250 m) / (18.06 m/s)

Time = 13.85 seconds