In a certain chemical,The ratio of zinc to copper is 3 to 11.A jar of the chemical contains 286 grams of copper.how many grams o
2 answers:
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Answer:
1.14 s
Step-by-step explanation:
Time,
Here, d is the distance and s is the speed/velocity
Since we're given the velocity, s as 28 ft/s and the distance between the position of the rocket and ground as 32 ft then
Therefore, it needs 1.14 seconds