QUESTIONS AND ANSWERS

Question The amplitude of SHM y=2(sin5πt+√2cosπt) is Answer The final answer to the amplitude of SHM is 2√3 Explanation From the equation of simple harmonic… Read More »The amplitude of SHM y=2(sin5πt+√2cosπt) is

Question An object of mass 4 kg goes round a circle of radius 0.5 m in 3.142 s. What is the force towards the center?… Read More »An object of mass 4 kg goes round a circle of radius 0.5 m

Question An object of mass 4 kg moves round a circle of radius 6m with a constant speed of 12 meters per second. Calculate the… Read More »An object of mass 4 kg moves round a circle of radius 6m

Question An object of weight 150 N moves with a speed of 4.5 m/s in a circular path of radius 3 m. Calculate the centripetal… Read More »An object of weight 150 N moves with a speed of 4.5 m/s

Question A car starts from rest and accelerates uniformly for 10 sec to a velocity of 8 m/s. It then runs at a constant velocity… Read More »A car starts from rest and accelerates uniformly for 10 sec to a velocity of 8 m/s. It then

Questions A boy is standing on an elevator which is traveling downward with a constant velocity of 30 meters per second. The boy throws a… Read More »A boy is standing on an elevator which is traveling

A cheetah is crouched 20m to the east of an observer’s vehicle. At time t = 0 the cheetah charges an antelope and begins to… Read More »A Cheetah is Crouched 20m to the East of an observer’s vehicle. At time t = 0 the cheetah

Question After an airplane takes off, it travels 10.4 km west, 8.7 km north, and 2.1 km up. How far is it from the take-off… Read More »after an airplane takes off it travels 10.4 km west

Question When two progressive waves y1=4 sin(2x–6t) and y2 = 3sin(2x−6t−(π/2)) are superimposed, the amplitude of the resultant wave is Answer The final answer to the above question is… Read More »when two progressive waves y1=4 sin(2x-6t)

Question From the diagram above, a weight W = 60N is suspended horizontally by a string attached to a wall. Find the tension T on… Read More »From the diagram above, a weight W = 60N is suspended

Question What is the resultant force when two forces 10n and 20n are inclined at angle 60 to each other? Answer: Final outcome: The final… Read More »What is the resultant force when two forces 10n and 20n are inclined at angle 60 to each other?

Question A body moving at 20 m/s decelerates uniformly at 5m/s2 till its speed becomes 10 m/s. The distance covered within this period is Answer… Read More »A body moving at 20 m/s decelerates uniformly at 5m/s2

Question Calculate the number of moles of an ideal gas of volume 12.0 meter cube at a pressure of 6 x 103 Nm-2 and 27… Read More »Calculate the number of moles of an ideal gas of volume 12.0 m^3

Question What does vo mean in physics? Answer The symbol vo is correctly written as V0 or v0. We write the zero sign as a… Read More »what does vo mean in physics?

Question A projectile is launched at an angle of 30 degrees with a horizontal and a speed of 30 m/s. How much time does it… Read More »A projectile is launched at an angle of 30 degrees with a horizontal and a speed of 30 m/s. How much time does it spend in the air?