Question 1: A car travels 540 km in 7.5 hours.
a. What is its average speed?
b. How long will it take to travel 450 km at this rate?
Question 2: The speed of sound (at sea level) is 380 m/s.
a. Approximately how long does it take sound, at sea level, to travel 1 km?
b. If it takes 15 seconds for sound to travel a certain distance, what is that distance?
Question 3: Complete.
a. $560 per month = _______________$ per year
b. 5 mL per second = ______________mL per minute
c. 3.2 t per hour =_________________ t per day
d. 300 kg per minute = _____________kg per second
e. 13 m per minute = _______________m per hour
f. 72 m2 per hour = ________________m2 per minute
Question 4: A speed of 20 metres per second is how many:
a. metres per minute?
b. metres per hour?
c. kilometres per hour?
Question 5: A speed of 90 km/h is how many:
a. metres per hour?
b. metres per minute?
c. metres per second?
Question 6: Change.
a. 15 m/s to km/h
b. 126 km/h to m/s
c. 6 mL/s to L/h
Question 7:
Question 8 and 9:
Question 10: Simplify the following.