Question
What is the atomic mass of
carbon?Solution
On the periodic table the mass of carbon is reported as 12.01 amu. This is the average atomic mass of carbon.
At a point 20 metres away from the base of a 20√3, metres high house, the angle of elevation of the top isÂ
From the top of an upright pole 30√3 feet high, the angle of elevation to the top of an upright tower was 60°. If the foot of the pole was 55 feet aw...
A boat is being rowed away from a cliff 183 m high. From the top of the cliff, the angle of depression of the boat changes from 60° to 45° in 3 minute...
The distance between two parallel poles is 65√3 m. The angle of depression of the top of the second pole when seen from the top of first pole is 3...
The angle of elevation of the top of a building from a point on the ground is 30° and moving 40 meters towards the building it becomes 60°. The height...
A pole 9√3 m high casts a shadow 27 m long on the ground. Find the angle of elevation
Raju is positioned 30 meters away from the base of a tower. From his standing point, the angle of elevation to the top of the tower is 45°. Determine t...
A boat is being rowed away from a cliff 270 m high. From the top of the cliff, the angle of depression of the boat changes from 60° to 45° in 2 minute...
Find the angle of elevation of a 125 √ 3m tower's top from a point 125 m away from its base.
A man 2 m tall is 25 m away from a tower 27 m high. Determine the angle of elevation of the top of the tower from the eye of the observer.
