A car is moving with an initial speed of 5 m/s. A constant braking force is applied and the car is brought to rest in a distance of 10 m. What is the average speed of the car during the deceleration process?
Consider a vector addition \(\vec{P}\)+\(\vec{Q}\)=\(\vec{R}\). If \(\vec{P}\)=|\(\vec{P}\)|\(\hat{i}\),|\(\vec{Q}\)|=10 and\(\vec{R}\)= 3 |\(\vec{P}\)|\(\hat{j}\),then |\(\vec{P}\)| is:
When a vibrating tuning fork moves towards a stationary observer with a speed of 50 m/s, the observer hears a frequency of 350 Hz. The frequency of vibration of the fork is:(Take speed of sound = 350 m/s)
A toroid with 500 turns of wire carries a current of (2\(\pi\)) Ampere. A metal ring inside the toroid provides the core and has susceptibility of 2x10-5. If the magnetization 5x10-2 A/m, then radius of the ring is:
In the magnetic meridian of a certain plane,the horizontal component of earth's magnetic field is 0.36 Gauss and the dip angle is 60°. The magnetic field of the earth at location is:
A current-carrying long solenoid is formed by winding 200 turns per cm. If the number of turns per cm is increased to 201, keeping the current constant, then the magnetic field inside the solenoid will change by:
At a certain depth "$d$" below surface of earth, value of acceleration due to gravity becomes four times that of its value at a height $3 R$ above earth surface Where $R$ is Radius of earth (Take $R =6400\, km$ ) The depth $d$ is equal to
