D) waves are used to transmit the rail signal though the air. these waves are encoded at different frequencies for different stations
Answer:
A. the pressure decrease
Explanation:
pressure decreases when the surface area over which a force is applied increases. pressure increases when the surface area over which force is applied decreases.
Answer:
Explanation:
the light ray leaving a medium in contrast to the entering or incident ray.
Answer:
because he give heat and energy
The object will come to a halt.
Resultant force at start:17-10=7 to the left
When additional force is added to the right,it balances the forces acting in the object.
7N to the right and 7N to the left suggests that the object will come to a halt as it is in equilibrium.
