Answer:
a body which was thrown in space ,moves under the influence of gravity only is defined as projectile.
They send out waves differently and cannot be heard easily
Answer: The acceleration of the object is 0.67m/s^2 west.
Explanation: Here we are given the initial velocity and final velocity as well as the time taken. Acceleration is the change in velocity per unit time, thus the equation becomes.
a=dv/t
a=vf-vi/t
a=-2.1-4.7/3.9
a= 0.66m/s^2 west
Answer:
It should be fibre optic cable , buried underground
True. No matter can be created nor destroyed in pretty much every aspect of life, especially chemical reactions.
