Answer:
In a tabular column represent the following characteristics of matter-rigidity, compressibility, shape, kinetic energy and density of following substances- brick, honey, air, block of wood, water
Explanation:
Solar energy is that energy remaining from the sun that we store in solar panels. This energy is produced because of its nucleus.
Answer:
(a) (B)
Explanation:
We have given the the speed of the electron =10^6 m/sec
The time period of the electron is given by where r is the Bohr radius, which is equal to
So time period
(A) We know that current
(B) Magnetic moment is given by , where I is current and A is area
So
no it can't be u are not right
Answer: 0.5m/s²
Explanation:
Given that,
acceleration of bike (a) = ?
Mass of bike (m) = 20kg bike
(Note that the displacement of the bike is in the northerly direction)
constant unbalanced force (f) = 10 N
According to Newton's second law of motion, the acceleration of the bike will be directly proportional to force acting on it but inversely proportional to the mass of the bike.
Hence, Force α mass x acceleration
f = ma
Make a the subject formula
a = f / m
Now find the acceleration of the bike
a = 10N / 20kg
a = 0.5m/s²
Thus, the acceleration of the bike pedaled in the northerly direction is 0.5m/s²