Recent questions without an upvoted answer

0 votes

1 answer

State the property of light associated with formation of shadows.

asked Jul 29, 2021 in Physics Form 1 by anonymous

0 votes

1 answer

A man standing 400 away from a wall bangs two pieces of wood together and hears an echo 2.5 seconds later. Determine the speed of sound in air at that place.

asked Jul 29, 2021 in Physics Form 1 by anonymous

0 votes

1 answer

The internal resistance of the cell in the figure below is 0.5 Ω.

asked Jul 29, 2021 in Physics Form 2 by anonymous

0 votes

2 answers

A current of 0.5A flows in a circuit. Determine the quantity of charge that crosses a point in 4 minutes through the circuit.

asked Jul 29, 2021 in Physics Form 1 by anonymous

0 votes

1 answer

State the reasons why a convex mirror is preferred over a plane mirror for use as a driving mirror.

asked Jul 29, 2021 in Physics Form 2 by anonymous

0 votes

1 answer

Figure1 below shows two mirrors M1 and M2 are inclined at right angles to each other.

asked Jul 29, 2021 in Physics Form 1 by anonymous

0 votes

1 answer

A hydraulic jack has a piston (large piston) diameter of 0.32m while its plunger (small piston)has a diameter of 0.052m. A force of 500N is exerted on the plunger. Determine the upward force in the large piston.

asked Jul 29, 2021 in Physics Form 1 by anonymous

0 votes

1 answer

Why would the hydraulic brake system not function properly if air leaked into the cylinder?

asked Jul 29, 2021 in Physics Form 1 by anonymous

0 votes

1 answer

Explain how the system works, starting from when the driver presses the foot pedal.

asked Jul 29, 2021 in Physics Form 1 by anonymous

0 votes

1 answer

The following diagram shows a simplified hydraulic breaking system of a car.

asked Jul 29, 2021 in Physics Form 1 by anonymous

0 votes

1 answer

Explain how a person is able to draw milk from a glass using a straw.

asked Jul 29, 2021 in Physics Form 1 by anonymous

0 votes

1 answer

The speed of a train, hauled by a locomotive varies as shown below as it travels between two stations along a straight horizontal track.

asked Jul 29, 2021 in Physics Form 3 by anonymous

0 votes

1 answer

In an experiment to estimate the diameter of an oil molecule, an oil drop of diameter 0.05cm spread over a circular patch whose diameter is 20cm.

asked Jul 29, 2021 in Physics Form 1 by anonymous

0 votes

1 answer

Sketch a vernier callipers scale reading 3.89cm.

asked Jul 29, 2021 in Physics Form 1 by anonymous

0 votes

1 answer

Light helical spring obeying Hooke’s Law was attached to a fixed support. When a 5N load was hung on it, the length of the spring was 160mm. when a 10N load was hung on it the length became 200mm. determine

asked Jul 29, 2021 in Physics Form 1 by anonymous

0 votes

1 answer

The figure below shows a pulley system.

asked Jul 29, 2021 in Physics Form 1 by anonymous

0 votes

1 answer

A circuit consists of a battery, a metal wire, an ammeter and a switch connected in series. The switch is closed and the ammeter reading noted. The metal wire is now heated.

asked Jul 29, 2021 in Chemistry Form 2 by anonymous

0 votes

1 answer

A hole is made at the middle of a tall jar container and water is poured into it to the level shown. See figure below.

asked Jul 29, 2021 in Physics Form 1 by anonymous

0 votes

1 answer

State the reason why the speed of water at a wider section of a river is lower than at a narrower section.

asked Jul 29, 2021 in Physics Form 1 by anonymous

0 votes

1 answer

A heavy log lying on the ground requires more energy to start moving than the same log which is already in motion. Explain why.

asked Jul 29, 2021 in Physics Form 1 by anonymous

Page:

« prev
1
...
220
221
222
223
224
225
226
...
319
next »

...