Answer: D
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X: positive
Y: negative
Explanation:
It's either A or D and I chose A and got it wrong.
Y - yo = Vo*t - g * (t^2) / 2
Vo = - 9.0 m/s
t = 0.50 s
=> y - yo = -9.0 m/s * 0.5 s - 9.8 m/s^2 * (0.5s)^2 / 2 = - 4.5m - 1.225m = - 5.725 m.
Answer: option c) - 5.7
C explanation: There are many examples of fossils found on separate continents and nowhere else, suggesting the continents were once joined. If Continental Drift had not occurred, the alternative explanations would be: They swam to the other continent/s in breeding pairs to establish a second population. ...
A conservative force is a force that when work is done against this force the work done does not depend on the path taken only the initial and final position.
The two types of motion exerted in bicycle are:
1. rotary motion
2. linear motion