2 years ago

MDEG

Mathematics

1 answer:

Margaret [11]2 years ago

5 0

The answer would be 84

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The height H metres of a ball projected upwards t seconds after being projected is given by H=64t - 16t². Find it's initial velo

nordsb [41]

Answer:

initial velocity = 64 m/s

Step-by-step explanation:

Differentiate H = 64t - 16t² to find an equation for velocity:

Velocity = $\frac{dH}{dt}$ = 64 - 32t

Initial velocity (u) is when t = 0:

u = 64 - 32(0)

⇒ u = 64 - 0

⇒ u = 64 m/s

4 0

2 years ago

What is the sum of the first 4 terms of a geometric sequence that has a first term of 2 and a ratio (multiplier) of 8?

taurus [48]

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