C. Forces are always in pairs
Answer:
f=ma......10N=0.2a....=50m/s
Answer:
B = 0.157 T
Explanation:
Given that,
Length of the solenoid, l = 8 cm = 0.08 m
Number of turns in the wire, N = 2000
Current, I = 5 A
We need to find the strength of the magnetic field at the center of the solenoid. It is given by the formula as follows :
, N is number of turns per unit length of solenoid.
So,

So, the magnetic field at the center of the solenoid is 0.157 T.
Answer:
Newton's Universal Law of Gravitation: 'a simple equation, but devastatingly effective'. ... The equation says that the force (F) between two objects is proportional to the product of their masses (m1 and m2), divided by the square of the distance between them.
Explanation:
Answer:
Momentum of mass
is 83·7 kg m/s towards north
Momentum of mass
is 38·72 kg m/s towards east
Explanation:
Given
Mass of
= 6·2 kg
Mass of
= 4·4 kg
Velocity of mass
=
= 13·5 m/s
Velocity of mass
=
= 8·8 m/s
Momentum of mass
=
×
= 6·2 × 13·5 = 83·7 kg m/s
Momentum of mass
=
×
= 4·4 × 8·8 = 38·72 kg m/s
As mass
is moving North, the direction of momentum will also be in that direction because the direction of momentum will be in the direction of velocity
As mass
is moving East, the direction of momentum will also be in that direction because the direction of momentum will be in the direction of velocity
∴ Momentum of mass
is 83·7 kg m/s towards north
∴ Momentum of mass
is 38·72 kg m/s towards east