Answer:
t=67.7s
Explanation:
From this question we know that:
Vo = 6m/s
a = 1.8 m/s2
D = 1500m
And we also know that:
Replacing the known values:
Solving for t we get 2 possible answers:
t1 = -44.3s and t2 = 67.7s Since negative time represents an instant before the beginning of the movement, t1 is discarded. So, the final answer is:
t = 67.7s
D. It can be seen by the eye. I took this test. Hope this helped!
Answer:
The strength of the field
Explanation:
The density of field lines of a field (e.g. gravitational field, or electric field) indicates the strength or magnitude of the field itself. In particular:
- The regions in which the field lines are closer to each other (more dense) are the regions where the field is stronger
- The regions where the field lines are more spread apart (less dense) are the regions where the field is weaker
For example, if we consider the electric field generated by a positive point charge, the electric field is radial (outwards from the charge) and the spacing between the lines increases as we move away from the charge: this means that the strength of the field increases as we move away from the charge.
Answer:
Explanation:
The potential energy associated with a body (m) located at a given height (h) above a reference point is defined as:
At the reference point the potential energy is zero. In this case the body is below the reference point (the ceiling), therefore, the value of h is negative:
