Answer:
50.4÷1.18= 42.7m/s as speed is equal to the distance over the time taken
Answer:
option A is correct
Explanation:
acceleration the time rate of change of velocity or speed so
a=Δv/t
Δv=vf-vi
Δv= final speed-initial speed
now a=final speed-initial speed/time
Answer:1.89 m
Explanation:
Given
Block travels in first second
It is released from rest i.e. initial speed is zero (u=0)
using
where a=acceleration
here acceleration is the component of gravity on incline plane (say )
so
So distance traveled in
So distance traveled in is
Answer:
Part a)
Part b)
Explanation:
Magnetic field due to outer solenoid inside it is given as
Now similarly we have
magnetic field due to inner solenoid on it axis is given as
Part a)
Now if a proton is revolving around the common axis of two solenoids
then we will have
Part b)
Now proton is revolving in the field of outer cylinder only
so again we have