What is 20- yards loss
1 answer:
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Answer:
Approximately .
Step-by-step explanation:
The velocity of an object is the rate at which its position changes. In other words, the velocity of an object is equal to the first derivative of its position, with respect to time.
Note that the arrow here is launched upwards. (Assume that the effect of wind on Mars is negligible.) There would be motion in the horizontal direction. The horizontal position of this arrow will stays the same. On the other hand, the vertical position of this arrow is the same as its height: .
Apply the power rule to find the first derivative of this with respect to time
.
By the power rule:
- the first derivative of
(same as
- the first derivative of
(same as
Therefore:
.
In other words, the (vertical) velocity of this arrow at time would be
meters per second.
Evaluate this expression for to find the (vertical) velocity of this arrow at that moment:
.