A person travels distance pieR along the circumference of a circle of radius R.Displacement of the person is ...1.R 2.2R 3.2pie R 4.ZERO? GIVE REASON WHY
Two resistance each of resistance 3 ohm are connected in parallel . The equivalent resistance of the combination is a) 3ohm b)6 ohm c) 3/2 ohm d) 2/3 ohm....GIVE REASON
AFridiiiKhaaannn
Asked:
December 2022
If the power of a convex lens is 4 dioptere, its focal length is a)0.25cm b)0.25m c)25cm d)25m .Give reason why you chosen the answer of particular unit i.e. cm or m ?
AFridiiiKhaaannn
Asked:
December 2022
How can you say that weight of 500gm pumpkin is 4.9N instead of 50N?
AFridiiiKhaaannn
Asked:
December 2022
How much power is neccessary to raise a drum of mass 150kg through a height of 20m in one minute?
AFridiiiKhaaannn
Asked:
December 2022
How much power is neccessary to lift a body of mass 150kg through a height of 20m in 1 min?
AFridiiiKhaaannn
Asked:
December 2022
A boy of mass 50kg can climb a staircase of 24 steps in 3.5 sec .If each step is 20cm high.Calculate the power of the boy.
AFridiiiKhaaannn
Asked:
December 2022
what is the amount of work neccessary to raise an apple of mass 100gm from the floor to a table 1m high?
AFridiiiKhaaannn
Asked:
December 2022
An electrical bulb of power 60watt is used for 6 hours a day for 30 days.How much electrical energy will be used ?
AFridiiiKhaaannn
Asked:
December 2022
A body is allowed to fall from a height of 20m from the ground ,How much time will it take to reach the ground?