The S.I unit of measuring weight is Newton and not Kilogram
johnmulu answered the question on February 6, 2017 at 06:29
-
A stopwatch started 0.50s after the start button was pressed. The time recorded using the stopwatch for a ball bearing falling through a liquid was 2.53s.
(Solved)
A stopwatch started 0.50s after the start button was pressed. The time recorded using the stopwatch for a ball bearing falling through a liquid was 2.53s. Determine the time of fall.
Date posted:
February 6, 2017
.
Answers (1)
-
A drug manufacturer gives the mass of the active ingredient in a tablet as 5 mg. Express this quantity in kilogramme and in standard form
(Solved)
A drug manufacturer gives the mass of the active ingredient in a tablet as 5 mg. Express this quantity in kilogramme and in standard form.
Date posted:
February 6, 2017
.
Answers (1)
-
Why should a safety belt used in a vehicle have a wide surface area and be slightly extensible?
(Solved)
Give reasons why a safety seat belt used in a vehicle;should have a wide surface area and should be slightly extensible.
Date posted:
January 16, 2017
.
Answers (1)
-
A girl throws tennis ball vertically upwards from a truck moving at a constant velocity
(Solved)
A girl throws tennis ball vertically upwards from a truck moving at a constant velocity. Give the reason why the ball lands back exactly the same point where it was projected.
Date posted:
January 16, 2017
.
Answers (1)
-
When a steel ball bearing is dropped into a tall jar full of glycerine, it falls to reach a point when it attains a steady velocity
(Solved)
When a steel ball bearing is dropped into a tall jar full of glycerine, it falls to reach a point when it attains a steady velocity. State the force that varies to make this possible.
Date posted:
January 16, 2017
.
Answers (1)
-
Explain why milk in a bottle cools faster when the bottle is wrapped with wet towel
(Solved)
Milk in a bottle cools faster when the bottle is wrapped with a wet towel than when it is immersed in a bucket of cold water. Explain
Date posted:
January 16, 2017
.
Answers (1)
-
State samples of bromine vapour are allowed to diffuse separately under different conditions
(Solved)
State samples of bromine vapour are allowed to diffuse separately under different conditions; one in vacuum and the other in air. State and explain the observation made.
Date posted:
January 16, 2017
.
Answers (1)
-
Why is it easier to stop a saloon car than a bus moving at the same velocity?
(Solved)
It is easier to stop a saloon car than a bus moving at the same velocity. What is the reason?
Date posted:
January 14, 2017
.
Answers (1)