The average speed of a horse that gallops a distance of 10 km in a time of 30 mn

Question

The average speed of a horse that gallops a distance of 10 km in a time of 30 mn is: 10 km/h 20 km/h. 30 km/h. more than 30 km/h. What is the acceleration of a car that maintains a constant velocity of 100 km/h for 10 seconds? 0 10 km/h/s. 10m/h/s. 1000 km/h/s. An object weighs 30 N on earth. A second object weighs 30 N on the moon. which has the greater mass? the one on earth. the one on the moon. they have the same mass. not enough information to say When a women stands at rest with two feet on a scale. The scale reads 500 N. When she gently lifts one foot, the scale reads: 250 N. 500 N. 1000 N. A 1000-kg car moving at 10 m/s brakes to a stop in 5 s. The average braking force is: 1000 N. 2000 N. 3000 N. 4000 N. Any quantity that is capable of producing motion is called? a mass a force angular momentum a fundamental quantity One newton is defined as the force between two 1-kilogram masses 1 meter apart.

Explanation / Answer

13) average speed = average distance travelled/total time

s = 10/30(min)

s = 10 /(1/2)hour

s = 20 km/hr

option b is correct

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