Answer:
Part a)
Part b)
Since the radius is decreasing so induced current will increase the flux through the coil
So it would be clockwise in direction
Explanation:
As we know that magnetic flux linked with the coil is given as
now the rate of change in flux is given as
now we know that circumference is decreasing at rate of 15 cm/s
so here we know the length of circumference as
So rate of change in circumference is
final length of circumference at t = 8 s
Part a)
Now the induced EMF is given as
Part b)
Since the radius is decreasing so induced current will increase the flux through the coil
So it would be clockwise in direction
Answer:
v = 10 m/s
Explanation:
given,
Mass of large fish, M = 5 Kg
speed of swimming, v' = 2 m/s
mass of small fish, m = 1 kg
speed of the fish = v
using conservation of momentum
m v + M v' = M u' + m u
final speed of both the speed is zero.
- 1 x v + 5 x 2 = 0
negative sign is used because small fish is moving in opposite direction.
now,
v = 10 m/s
hence, the speed of the small fish is equal to 10 m/s.
Answer:
The wavelength of the interfering waves is 3.14 meters.
Explanation:
Given that,
The equation of standing wave that is formed by interfering two harmonic waves (travelling opposite direction) is given by :
........(1)
The general equation of standing wave is given by :
..............(2)
On comparing equation (1) and (2), we get :
k = 2
We know that,
So, the wavelength of the interfering wave is 3.14 meters. Hence, this is the required solution.
C. the rate at which work is done. hope i helped!
Answer:
r = -11.6 cm
Explanation:
As we know that the position of center of mass is given as
now we know that three masses are on the left while two are on the right
position of left most mass with respect to the center of the rod is given as
Now we will have
