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Worksheets7 grade
Total questions: 10
Worksheet time: 15mins
A body moves from a point A to a point B with a velocity of 6 m/s and returns to point A with a speed of 8 m/s.What is the average speed?
5 m/s
6,8 m/s
8,9 m/s
7 m/s
A car travels a distance with a speed of 10 m/s in 2 min.Then another car covers same distance with a speed of 2 m/s.What will the time taken by the second car be in minutes.
7,3 m/s
5 m/s
10 m/s
10 m/min
An airplane flown at a speed of 500 km/h in 6 h.What is the distance flown by the plane in kilometres.
3 x 103
30
3500
83,3
Which graph below represents uniform motion?
The graph shows the change in velocity of a body with time.What is the distance covered by the body in 4s?
8 m
20 m
0,2 m
80 m
A car moves along the path given in the figure from point A to point B in 5 s. What is its average speed in metres per second,m/s?
5
8
10
6
A regular container of base area 120 cm2 and height 3 cm is half-filled with water.What is the volume of the water?
360 ml
180 ml
100 ml
40 ml
A golden-colored cube is handed to you. The person wants you to buy it for $100, saying that is a gold nugget. You pull out your old geology text and look up gold in the mineral table, and read that its density is 19.3 g/cm3. You measure the cube and find that it is 2 cm on each side, and weighs 40 g. What is its density? Is it gold? Should you buy it?
4 g/cm3
7,8 g/cm3
5 g/cm3
2 g/cm3
You have a different rock with a volume of 30 cm3 and a mass of 60g. What is its density?
4 g/cm3
3 g/cm3
2 g/cm3
0,5 g/cm3
185 g copper and 103 g lead are combined to make an alloy. Calculate the density of this mixture.
(dcopper = 8.9 g / cm3 ; dlead = 11.3 g / cm3)
9,6 g/cm3
5 g/cm3
20,2 g/cm3
2,34 g/cm3
