Not sure... need help with it
Answer:
11 because the number of protons is the atomic humber
Explanation:
Answer:
B -- Cobalt and iron
Explanation:
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Answer:
V=972π
The equation I used... V=4/3π(9)^3
Answer: 249 seconds
Explanation:
Speed of bike = 2.52 m/s
Distance = 628 m
Time taken = ? ( let the unknown value be Z)
Recall that speed is the distance covered per unit time.
Hence, speed = Distance / Time taken
Time taken = Distance / speed
Z = 628m / 2.52 m/s
Z = 249.2 seconds (Round to nearest tenth i.e 249 seconds)
Thus, it takes 249 seconds for the girl to get to her friends house