The second one is correct not sure about the first one sorry
It's dependent on the mass. You can fimd the force needed using the formula F = ma. Where F is force, m is mass of the cart and a is the acceleration (0.9m/s^2). The heavier it is the more force you are going to need. Remember unit of force is N
Well I have 2 examples.
AM/FM radio is a perfect type of technology.
A smart phone is also a great presentation of technology.
Because those layers have been in existence longer than the layer on top of it.
Answer:
D. (static equilibrium)
Explanation:
I just took the test and made a 100 with that answer.