Measurement and Average speeds?

Question

6. 2003 Audi A4 Avant 3.0 Quattro can travel the 1/4 mile in 15.9 seconds. What is the average speed in MPH of this car after the 15.9 seconds?

a 50 mph

b 57 mph

c 75 mph

d 102 mph

7. The 2002 Lamborghini Murcielago can travel the 1/4 mile in 12 seconds. What is the average speed in MPH of this car after the 12 seconds?

a 50mph

b 57 mph

c 75 mph

d 102 mph

8. The 1975 Lincoln Town Car Coupe can travel the 1/4 mile in 17.9 seconds. What is the average speed in MPH of this car after the 17.9 seconds?

a 40mph

b 50 mph

c 65 mph

d 72 mph

9. The measurment of 55 mph North, is a measurement of:

a speed

b acceleration

c distance

d velocity

10. The measurement of 10 meters per second is a measure of:

a speed

b acceleration

c distance

d velocit

Answer 1

6) b

7) c

8) b

9) d

10) a

Answer 2

6. 2003 Audi A4 Avant 3.0 Quattro can travel the 1/4 mile in 15.9 seconds. What is the average speed in MPH of this car after the 15.9 seconds?

15.9 sec x 1 hr/3600 sec = 0.0044167 hr

so average speed is 1/4 mi / 0.0044167 hr = 56.6 mph

7. The 2002 Lamborghini Murcielago can travel the 1/4 mile in 12 seconds. What is the average speed in MPH of this car after the 12 seconds?

same as above, just repeat the calculations.

8. The 1975 Lincoln Town Car Coupe can travel the 1/4 mile in 17.9 seconds. What is the average speed in MPH of this car after the 17.9 seconds?

ditto

9. The measurment of 55 mph North, is a measurement of:

d velocity

10. The measurement of 10 meters per second is a measure of:

speed or velocity

.