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Required value = 15 3 + 14 3 – 18 3
= 3375 + 2744 – 5832 = 287
A projectile is fired at an angle θ and reaches maximum height
H and range R. The angle between velocity and acceleration at the highest poin...
A body moves with uniform acceleration and covers 80 m in 4 s and 160 m in next 4 s. Find initial velocity.
Why does a large fire in the open appear to be fanned by strong winds?
A uranium nucleus undergoes fission and releases 200 MeV per event. If 1 gram undergoes complete fission, the energy released in kWh is:
The stress–strain graph for two wires A and B is shown. Wire A has a steeper linear region than B. This indicates that:
What type of lens is used to correct myopia (shortsightedness)?
The unit 'Weber' is associated with which of the following?
Which of the following statement is correct?
I. Friction is caused by the irregularities on the two surfaces in contact
II. Friction is a necessary evil
A body of mass 2 kg is moving with velocity 3 m/s. What is its kinetic energy?
Which of the following is the principle behind the working of a hydraulic press?
