Free Printable Chapter 1.3 - Practice Questions

1.

An air conditioner consumes 270 kilowatts-hours every month. The air conditioning bill is $32.40. What is the cost of electricity in cents per kilowatts-hours

a)

12\frac{cents}{kWh}

b)

$0.12\frac{cents}{kWh}$

c)

$78\frac{cents}{kW}$

2.

The acceleration due to gravity is approximately 9.81m/s² . What is acceleration due to gravity in centimeter squared ?

a)

981cm/s²

b)

0.00981cm/s²

c)

981000cm

3.

A supercomputer can do 136.8 teracalculations per second. How many calculations can it do in a microsecond.

a)

1.368 x 10⁸Calculations

b)

0.1368 calculations

c)

1.368 x 10^-8 calculations

4.

The speed of light in a vacuum is approximately 0.3Gm/s. What is its speed in meters per second (m/s)

1 Gigameter = 1 x 10⁹meter

a)

3 x 10⁸ m/s

b)

3 x 10^-8 m/s

c)

6 x 10⁹ m/s

5.

Convert 50 miles/h into m/s using these relationships

1 mile = 1609.34 meters "

1 hr = 60 minutes

1 minute = 60 seconds

a)

22.33 m/s

b)

80467 meters

c)

13411 m/s

6.

If you are converting 44 yards to meters, which of the following relationships would you use?

a)

1 yard = 3 ft

b)

1 cm = 0.39 in

c)

1 mile = 1.61 km

d)

1 m = 1.09 yards

7.

If you are converting 16 quarts to gallons , which of the following relationships would you use?

a)

1 quart = 2 pints

b)

1 gallon = 3.8 Liters

c)

1 gallon = 4 quarts

d)

1 cup = 8 fluid oz

8.

What 2 conversion factors can be formed from the following relationship (choose 2)

1 gallon = 128 oz

a)

$\frac{1\ gallon\ }{128oz}$

b)

$\frac{128oz\ }{1\ gallon}$

c)

$\frac{128\ gallon}{1\ oz}$

d)

$\frac{1\ oz}{128\ gallon}$

9.

Which of the following conversion factors are going to be used when converting from feet to meters using the relationship below.

1m = 3.281 ft

a)

$\frac{1\ m}{3.281\ ft}$

b)

$\frac{3.281\ ft}{1\ m}$

c)

$\frac{3.281m}{1\ ft}$

d)

$\frac{1ft}{3.281m}$

10.

If you are converting 200 yards to inches, which two of the following conversion factors would you use?

a)

12 inches = 1 ft

b)

1 ft = 30 cm

c)

3 ft = 1 yard

d)

5,280 ft = 1 mile

11.

950 grams = ________ lbs

1kg = 2.204lbs

1000grams = 1kg

a)

27,142.86 lbs

b)

59.38 lbs

c)

20.8 lbs

d)

2.09 Ibs

12.

Using Table 1.5 in your book, which one of these equations is dimensionally consistent with the dimensions for acceleration (Choose 3)

Note x= Length , t = time, v = velocity

a)

$v^2x$

b)

$\frac{v^2}{x}$

c)

$\frac{x}{t^2}$

d)

$\frac{v}{t}$

13.

Convert 25.0km/hr to m/sec

a)

82.8 m/s

b)

6.94 m/s

c)

63.9 m/s

d)

45.6 m/s

14.

Coach Kelly brought 32 L of water to the football game, and she divided the water equally between 8 coolers. How many milliliters will be in each cooler

a)

4000ml

b)

25000mL

c)

0.004mL

d)

32000mL

15.

A bee flew 840 cm and landed on a flower to collect some pollen. Then the bee flew another 330 cm to get back to her hive. How many meters did the bee travel?

a)

11.7 m

b)

117cm

c)

5.10cm

d)

5.10m

Chapter 1.3 - Practice Questions - Mr Ola

Total questions: 15

Worksheet time: 4hrs 45mins

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