3 years ago

Could someone please help me out???

Chemistry

1 answer:

alexandr1967 [171]3 years ago

4 0

Answer:

Time is 2.2 seconds. 

Explanation:

Time:

${ \boxed{ \bf{time = \frac{distance}{speed} }}}$

Substitute into the formula:

speed = 715 km/h = 198.61 m/s

${ \tt{time = \frac{435}{198.61} }} \\ { \tt{time = 2.2 \: seconds}}$

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