was decided to have an Art Festival involving different activities on the National Museum Day by museum authorities. In Hall-4 of the museum they arranged Paintings of that city artists. In Hall-3 of the museum they arranged stone and wooden sculptures of different city artists. In Hall-2 of the museum they arranged metal carvings of national artists. In Hall-1 of the museum they arranged jewellery Exhibition of international artists. The dots in the table denote cylindrical pillars. The pillars of height 3.5 metre and diameter30 cm. The outer pillars of the halls are decorated with gold colour at the rate of Rs.20 /m2while inner pillars of the hall are decorated with the silver colour at the rate of Rs.15 /m2. a) What is the cost of painting in gold colour in the hall where city artists held their painting works? b) What is the total number of pillars in the museum?
Answers
Answer:
Projectile motion is the motion of an object thrown (projected) into the air. After the initial force that launches the object, it only experiences the force of gravity. The object is called a projectile, and its path is called its trajectory.
The cost of painting a pillar by golden colour is Rs. 21/-
Given,
In Hall-4 of the museum they arranged Paintings of that city artists.
In Hall-3 of the museum they arranged stone and wooden sculptures of different city artists.
In Hall-2 of the museum they arranged metal carvings of national artists.
In Hall-1 of the museum they arranged jewelry Exhibition of international artists.
The dots in the table denote cylindrical pillars.
The pillars of height = 3.5 m
And, diameter = 30 cm.
= 0.3 m
The outer pillars of the halls are decorated with gold colour
The rate is = Rs. 20 /m²
The inner pillars of the hall are decorated with the silver colour
The rate is = Rs.15 /m²
∴ The cost for golden colour will be = (20 × 3.5 × 0.3)
= Rs. 21/-