A rocket is fired upward from the earth surface such that it creates an acceleration
A rocket is fired upward from the earth surface such that it creates an acceleration of 19.6 m/s².If after 5s,…
8 years ago
Questions
A boat taken 2h to travel 8km and back in still water.If the velocity of water 4 km/h
A boat taken 2h to travel 8km and back in still water. If the velocity of water 4 km/h,the time…
8 years ago
A projectile is thrown in the upward direction making an angle of 60°with the horizontal
A projectile is thrown in the upward direction making an angle of 60°with the horizontal direction with a velocity of…
8 years ago
The horizontal range and maximum height attained by a projectile are R and H,respectively
The horizontal range and maximum height attained by a projectile are R and H,respectively.If a constant horizontal acceleration a=g/4 is…
8 years ago
If two vectors are equal in magnitude and their resultant is also equal in magnitude
If two vectors are equal in magnitude and their resultant is also equal in magnitude to one of them, then…
8 years ago
A rod of weight W is supported by two parallel knife edge A and B
A rod of weight W is supported by two parallel knife edge A and B and is in equilibrium, in…
8 years ago
A particle performing uniform circular motion has angular momentum
A particle performing uniform circular motion has angular momentum L.If its angular frequency is doubled and its kinetic energy halved,…
8 years ago
The drive shaft of an automobile rotates at 3600 rpm and transmits 80 HP
The drive shaft of an automobile rotates at 3600 rpm and transmits 80 HP up from the engine to the…
8 years ago
When a ceiling fan is switched on, it makes 10 revolutions in the first 3s
When a ceiling fan is switched on, it makes 10 revolutions in the first 3s.Assuming a uniform angular acceleration,how many…
8 years ago
An inclined plane makes an angle of 30° with the horizontal.A solid sphere
An inclined plane makes an angle of 30° with the horizontal.A solid sphere rolling down this inclined plane from rest…
8 years ago