Question 1

What is the formula to find the density of an object?

Accepted Answer

ext{Density} = \frac{	ext{Mass}}{	ext{Volume}}

Answer

ext{Density} = \frac{	ext{Mass}}{	ext{Volume}}

Answer

ext{Density} = \frac{	ext{Mass}}{	ext{Volume}}

Answer

ext{Density} = \frac{	ext{Mass}}{	ext{Volume}}

Question 2

If an object has a mass of 300 grams and a volume of 150 cubic centimeters, what is its density?

Accepted Answer

2 grams per cubic centimeter

Answer

0.5 grams per cubic centimeter

Answer

1 gram per cubic centimeter

Answer

3 grams per cubic centimeter

Question 3

A block of wood has a density of 0.6 grams per cubic centimeter. If its volume is 50 cubic centimeters, what is its mass?

Accepted Answer

30 grams

Answer

80 grams

Answer

60 grams

Answer

0.06 grams

Question 4

Which of the following will increase the density of a substance?

Accepted Answer

Decreasing its volume while keeping the mass constant

Answer

Decreasing both its mass and volume equally

Answer

Increasing its volume while keeping the mass constant

Answer

Increasing both its mass and volume equally

Question 5

A metal cube has sides of 4 cm each and a mass of 256 grams. What is its density?

Accepted Answer

4 grams per cubic centimeter

Answer

40 grams per cubic centimeter

Answer

64 grams per cubic centimeter

Answer

16 grams per cubic centimeter

Question 6

A liquid has a volume of 200 milliliters and a mass of 160 grams. What is its density?

Accepted Answer

0.8 grams per milliliter

Answer

0.5 grams per milliliter

Answer

0.4 grams per milliliter

Answer

1.25 grams per milliliter

Question 7

A sealed container with a volume of 500 cubic centimeters contains a gas with a mass of 1 gram. What is the density of the gas in the container?

Accepted Answer

0.002 grams per cubic centimeter

Answer

5 grams per cubic centimeter

Answer

0.2 grams per cubic centimeter

Answer

0.005 grams per cubic centimeter

Question 8

An object has a density of 3 grams per cubic centimeter and a mass of 24 grams. What is the object's volume?

Accepted Answer

8 cubic centimeters

Answer

12 cubic centimeters

Answer

72 cubic centimeters

Answer

6 cubic centimeters

Question 9

If you have 500 milliliters of water, how many liters do you have?

Accepted Answer

0.5 liters

Answer

0.05 liters

Answer

5 liters

Answer

50 liters

Question 10

Which of the following units is used to measure liquid volume?

Accepted Answer

Liters

Answer

Grams

Answer

Meters

Answer

Newtons

Question 11

If a container has a volume of 2 cubic meters, how many liters does it contain?

Accepted Answer

2000 liters

Answer

20 liters

Answer

5000 liters

Answer

200 liters

Question 12

What is the volume of a cube with a side length of 3 cm?

Accepted Answer

ext{Density} = \frac{	ext{Mass}}{	ext{Volume}}

Answer

ext{Density} = \frac{	ext{Mass}}{	ext{Volume}}

Answer

ext{Density} = \frac{	ext{Mass}}{	ext{Volume}}

Answer

ext{Density} = \frac{	ext{Mass}}{	ext{Volume}}

Question 13

How many milliliters are there in 3.5 liters of juice?

Accepted Answer

3500 milliliters

Answer

35 milliliters

Answer

35000 milliliters

Answer

350 milliliters

Question 14

A graduated cylinder contains 250 milliliters of water. If you add 750 milliliters more, what will be the total volume in liters?

Accepted Answer

1 liter

Answer

0.5 liters

Answer

2 liters

Answer

1.5 liters

Question 15

Which tool would you use to measure the volume of a liquid most accurately?

Accepted Answer

Graduated cylinder

Answer

Ruler

Answer

Thermometer

Answer

Scale

Question 16

If a rectangular tank has dimensions of 2 meters in length, 1 meter in width, and 0.5 meters in height, what is the volume in cubic meters?

Accepted Answer

ext{Density} = \frac{	ext{Mass}}{	ext{Volume}}

Answer

ext{Density} = \frac{	ext{Mass}}{	ext{Volume}}

Answer

ext{Density} = \frac{	ext{Mass}}{	ext{Volume}}

Answer

ext{Density} = \frac{	ext{Mass}}{	ext{Volume}}

Question 17

How many cubic centimeters are there in 5 liters of water?

Accepted Answer

5000 cubic centimeters

Answer

50 cubic centimeters

Answer

50000 cubic centimeters

Answer

500 cubic centimeters

Question 18

A bottle holds 1.5 liters of soda. How many milliliters is this?

Accepted Answer

1500 milliliters

Answer

0.15 milliliters

Answer

15000 milliliters

Answer

150 milliliters

Question 19

If a student does 50 Joules of work in 10 seconds, what is the power output in Watts?

Accepted Answer

5 Watts

Answer

60 Watts

Answer

500 Watts

Answer

0.2 Watts

Question 20

A person lifts a box weighing 10 Newtons to a height of 2 meters. How much work is done?

Accepted Answer

20 Joules

Answer

5 Joules

Answer

10 Joules

Answer

15 Joules

Question 21

A motor does 1500 Joules of work in 30 seconds. What is the power output in Watts?

Accepted Answer

50 Watts

Answer

500 Watts

Answer

45 Watts

Answer

0.02 Watts

Question 22

What is the work done in lifting a 15 kg object to a height of 2 meters? (Use

g = 9.8 	ext{ m/s}^2

for gravity)

Accepted Answer

294 Joules

Answer

150 Joules

Answer

120 Joules

Answer

30 Joules

Question 23

How much power is needed to do 200 Joules of work in 4 seconds?

Accepted Answer

50 Watts

Answer

100 Watts

Answer

25 Watts

Answer

80 Watts

Question 24

If a car engine generates 3000 Joules of energy in 60 seconds, what is its power output in Watts?

Accepted Answer

50 Watts

Answer

500 Watts

Answer

30 Watts

Answer

20 Watts

Question 25

A cyclist exerts a force of 100 Newtons to pedal a distance of 50 meters. How much work is done?

Accepted Answer

5000 Joules

Answer

1000 Joules

Answer

500 Joules

Answer

2000 Joules

Question 26

If a machine uses 2400 Joules of energy in 2 minutes, what is its power output in Watts?

Accepted Answer

20 Watts

Answer

40 Watts

Answer

120 Watts

Answer

12 Watts

Question 27

A person applies a force of 25 Newtons to push a cart for 8 meters. How much work is done on the cart?

Accepted Answer

200 Joules

Answer

300 Joules

Answer

100 Joules

Answer

50 Joules

Question 28

If a weightlifter lifts a 150 kg barbell to a height of 1.5 meters, how much work is done? (Use

g = 9.8 	ext{ m/s}^2

for gravity)

Accepted Answer

2205 Joules

Answer

1470 Joules

Answer

2350 Joules

Answer

1500 Joules

Question 29

If the temperature is 68°F, what is it in Celsius?

Accepted Answer

20°C

Answer

24°C

Answer

18°C

Answer

22°C

Question 30

If the temperature is 25°C, what is it in Fahrenheit?

Accepted Answer

77°F

Answer

80°F

Answer

70°F

Answer

68°F

Question 31

What is the Fahrenheit equivalent of 0°C?

Accepted Answer

32°F

Answer

20°F

Answer

50°F

Answer

0°F

Question 32

If the temperature is 104°F, what is it in Celsius?

Accepted Answer

40°C

Answer

38°C

Answer

42°C

Answer

44°C

Question 33

A temperature of 50°C is equivalent to how many degrees Fahrenheit?

Accepted Answer

122°F

Answer

140°F

Answer

100°F

Answer

130°F

Question 34

What is the Celsius equivalent of 95°F?

Accepted Answer

35°C

Answer

37°C

Answer

30°C

Answer

40°C

Question 35

What is the Fahrenheit equivalent of 15°C?

Accepted Answer

59°F

Answer

55°F

Answer

65°F

Answer

50°F

Question 36

If the temperature is 212°F, what is it in Celsius?

Accepted Answer

100°C

Answer

120°C

Answer

110°C

Answer

90°C

Question 37

What is the Celsius temperature for 32°F?

Accepted Answer

0°C

Answer

10°C

Answer

5°C

Answer

-10°C

Question 38

Convert 37°C to Fahrenheit.

Accepted Answer

98.6°F

Answer

100°F

Answer

99°F

Answer

96°F

Question 39

If the temperature is 68 degrees Fahrenheit, what is the equivalent in Celsius?

Accepted Answer

20 degrees Celsius

Answer

30 degrees Celsius

Answer

40 degrees Celsius

Answer

10 degrees Celsius

Question 40

If a temperature is 25 degrees Celsius, what is it in Fahrenheit?

Accepted Answer

77 degrees Fahrenheit

Answer

95 degrees Fahrenheit

Answer

32 degrees Fahrenheit

Answer

68 degrees Fahrenheit

Question 41

A car accelerates from rest to a speed of 20 m/s in 5 seconds. What is the acceleration of the car?

Accepted Answer

4 m/s²

Answer

2 m/s²

Answer

3 m/s²

Answer

5 m/s²

Question 42

A cyclist is traveling with a constant velocity of 10 m/s. How long will it take for the cyclist to travel a distance of 50 meters?

Accepted Answer

5 seconds

Answer

10 seconds

Answer

6 seconds

Answer

8 seconds

Question 43

A ball is thrown upwards with an initial speed of 15 m/s. What will be the ball's velocity after 2 seconds, assuming acceleration due to gravity is $

g = 9.8 	ext{ m/s}^2

$?

Accepted Answer

-4.6 m/s

Answer

-29.6 m/s

Answer

19.6 m/s

Answer

10.4 m/s

Question 44

A train moves from 0 to 30 m/s in 10 seconds. What is the train's acceleration?

Accepted Answer

3 m/s²

Answer

30 m/s²

Answer

10 m/s²

Answer

0.3 m/s²

Question 45

A runner increases his speed from 5 m/s to 15 m/s in 4 seconds. What is the runner's acceleration?

Accepted Answer

2.5 m/s²

Answer

4 m/s²

Answer

5 m/s²

Answer

3 m/s²

Question 46

A vehicle is moving with a velocity of 25 m/s and comes to a stop in 5 seconds. What is the deceleration of the vehicle?

Accepted Answer

-5 m/s²

Answer

5 m/s²

Answer

-25 m/s²

Answer

25 m/s²

Question 47

A car travels 150 meters in 15 seconds with constant speed. What is the car's average velocity?

Accepted Answer

10 m/s

Answer

15 m/s

Answer

20 m/s

Answer

5 m/s

Question 48

An athlete starts from rest and reaches a speed of 12 m/s in 6 seconds. What is the athlete’s acceleration?

Accepted Answer

2 m/s²

Answer

4 m/s²

Answer

3 m/s²

Answer

1 m/s²

Question 49

A bird flies a distance of 60 meters in 12 seconds. What is the average speed of the bird?

Accepted Answer

5 m/s

Answer

6 m/s

Answer

10 m/s

Answer

4 m/s

Question 50

A skateboarder increases her speed from 4 m/s to 16 m/s in 6 seconds. What is her acceleration?

Accepted Answer

2 m/s²

Answer

8 m/s²

Answer

4 m/s²

Answer

1 m/s²

Question 51

A cyclist travels at a speed of 15 km/h. How much time will he take to cover a distance of 45 km?

Accepted Answer

3 hours

Answer

2.5 hours

Answer

4 hours

Answer

5 hours

Question 52

A train travels 120 km in 2 hours. What is the average speed of the train?

Accepted Answer

60 km/h

Answer

70 km/h

Answer

50 km/h

Answer

80 km/h

Question 53

If a car travels at an average speed of 80 km/h for 3 hours, what is the total distance covered?

Accepted Answer

240 km

Answer

260 km

Answer

300 km

Answer

200 km

Question 54

A runner completes a 10 km race in 50 minutes. What was the average speed in km/h?

Accepted Answer

12 km/h

Answer

15 km/h

Answer

20 km/h

Answer

10 km/h

Question 55

If a car covers a distance of 150 km in 2.5 hours, what was its speed in km/h?

Accepted Answer

60 km/h

Answer

70 km/h

Answer

65 km/h

Answer

55 km/h

Question 56

A hiker walks for 4 hours at a speed of 5 km/h. How far does the hiker travel?

Accepted Answer

20 km

Answer

25 km

Answer

30 km

Answer

15 km

Question 57

A plane flies at a speed of 500 km/h and takes 3 hours to reach its destination. What is the total distance covered by the plane?

Accepted Answer

1500 km

Answer

1200 km

Answer

1800 km

Answer

1000 km

Question 58

A swimmer takes 1.5 hours to swim across a lake at a speed of 4 km/h. How wide is the lake?

Accepted Answer

6 km

Answer

7 km

Answer

5 km

Answer

8 km

Question 59

A car travels for 3 hours at a constant speed and covers 210 km. What is the car's speed in km/h?

Accepted Answer

70 km/h

Answer

80 km/h

Answer

60 km/h

Answer

75 km/h

Question 60

A motorbike covers a distance of 240 km in 4 hours. What is its average speed?

Accepted Answer

60 km/h

Answer

50 km/h

Answer

55 km/h

Answer

65 km/h

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