6. A bus travels from Texas to Mexico in 5.2 hours with an average speed of 73 km/h, if the bus covers 390 km. How long does it take the bus to cover this distance?
Answer:
Displacement is basically how far the car has gone from the start (Mexico). So since the car travels at 74km/h and it takes 5.3h to travel the total distance.
5.2h*73km/h=379.6km
7. A football field is about 100 m long. If it takes a person 20 seconds to run its length, how fast were they running?
Answer:
S=d/t
Explanation:
By that formula
S=100/20
5m/s
8. Using the graph below to answer the questions (a to c)
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