3 years ago

0 to 50m/s in 10s. What's the acceleration?

Mathematics

1 answer:

Monica [59]3 years ago

3 0

Answer:

v = 50m/s

u = 0

a = v-u/t = 50/10= 5m/s²

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Time taken by his friend to create the app alone = 48 hours.

Step-by-step explanation:

Hours needed by Jacob to create an app = 24 hours

$\text{One hour work of Jacob = }\frac{1}{24}$

Let hours needed by his friend in creating the app alone = x hours

$\text{So, one hour work of his friend = }\frac{1}{x}$

The both can create the app in 16 hours.

$\implies \frac{1}{24}+\frac{1}{x}=\frac{1}{16}\\\\\implies\frac{1}{x}=\frac{1}{16}-\frac{1}{24}\\\\\implies\frac{1}{x}=\frac{24-16}{24\times 16}\\\\\implies \frac{1}{x}=\frac{1}{48}\\\\\bf\implies x = 48$

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