This is because of continuous usage, the wire loses its elasticity and dose not regain it original dimension
The Super Bowl, because everyone gathers to watch a big game of football
Air molecules are pushed together in a compression and air molecules are spread out in rarefraction.
The strength of magnetic field is one of two ways that the intensity of a magnetic field can be expressed, Technically, a distinction is made between magnetic field strength H, measured in amperes per meter (A/M) and magnetic flux density, B measured in Newton Meters per ampere (Nm/A)
Answer:
Explanation:
Given
mass of each car
acceleration of train
Force required to pull this system
For first car
for second car
this form a pattern of the form
for (a)30 th and 31 st car tension
For 49 th and 50 th car