That tells you that one of two things has happened:
Either
-- the source began emitting sounds with lower frequency
or
-- the source began moving away from you, and the
apparent change is due to the Doppler effect.
Answer:
that's true current is discoverd originally by benjimin franklin Followed by tesla and Edison.
Explanation:
Answer:
the answer is D
Explanation:
Since the velocity of the object is the derivative of the position graph, the area under the line in the velocity vs. time graph is the displacement of the object.
Answer:
During the fall in September, the Sun passes from northern hemisphere towards equator. ... On this day, Sunlight directly falls on the equator i.e. the sun crosses celestial equator. Day time is equal to night time in the two hemispheres
Explanation:
make me brainiest if it helps you
Answer:
14.8 kg
Explanation:
We are given that
We have to find the mass of the pulley.
According to question
Moment of inertia of pulley=
Where 
Hence, the mass of the pulley=14.8 kg
