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4 years ago

Who was the first president of kenya

Physics

2 answers:

Damm [24]4 years ago

7 0

Answer: Jomo Kenyatta

Explanation: Jomo Kenyatta was an anti-colonial activist and politician and was the first Prime Minister of Kenya. He then served as president of the country from 1964 to his death in 1978

tresset_1 [31]4 years ago

6 0

Jomo Kenyatta ( c. 1897 – 22 August 1978) was a Kenyan anti-colonial activist and politician who governed Kenya as its Prime Minister from 1963 to 1964 and then as its first President from 1964 to his death in 1978.

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The cheetah is considered the fastest running animal in the world. Cheetahs can accelerate to a speed of 21.7 m/s in 2.50 s and

viktelen [127]

Answer:

1) 64.2 mi/h

2) 3.31 seconds

3) 47.5 m

4) 5.26 seconds

Explanation:

t = Time taken = 2.5 s

u = Initial velocity = 0 m/s

v = Final velocity = 21.7 m/s

s = Displacement

a = Acceleration

1) Top speed = 28.7 m/s

1 mile = 1609.344 m

$1\ m=\frac{1}{1609.344}\ miles$

1 hour = 60×60 seconds

$1\ s=\frac{1}{3600}\ hours$

$28.7\ m/s=\frac{\frac{28.7}{1609.344}}{\frac{1}{3600}}=64.2\ mi/h$

Top speed of the cheetah is 64.2 mi/h

Equation of motion

$v=u+at\\\Rightarrow a=\frac{v-u}{t}\\\Rightarrow t=\frac{21.7-0}{2.5}\\\Rightarrow a=8.68\ m/s^2$

Acceleration of the cheetah is 8.68 m/s²

$v=u+at\\\Rightarrow t=\frac{v-u}{a}\\\Rightarrow t=\frac{28.7-0}{8.68}\\\Rightarrow t=3.31\ s$

It takes a cheetah 3.31 seconds to reach its top speed.

$v^2-u^2=2as\\\Rightarrow s=\frac{v^2-u^2}{2a}\\\Rightarrow s=\frac{28.7^2-0^2}{2\times 8.68}\\\Rightarrow s=47.5\ m$

It travels 47.5 m in that time

4) When s = 120 m

$s=ut+\frac{1}{2}at^2\\\Rightarrow 120=0\times t+\frac{1}{2}\times 8.68\times t^2\\\Rightarrow t=\sqrt{\frac{120\times 2}{8.68}}\\\Rightarrow t=5.26\ s$

The time it takes the cheetah to reach a rabbit is 120 m is 5.26 seconds

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3 years ago

PLS HELP

Ahat [919]

"This was the idea that non-living objects can give rise to living organisms."

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3 years ago

What is non uniform velocity

saul85 [17]

Answer:

"Non-uniform velocity" occurs when an object changes its velocity upon motion. This happens when the object either accelerates or decelerates (negative acceleration) in its speed or changes its direction.

Explanation:

"Velocity" refers to speed with a specific direction.

If the velocity is uniform, there's no change in speed and direction. However, if changes occur on either the speed, direction or both, then the velocity becomes variable or non-uniform.

For example, when it comes to a moving car, it is said to be in non-uniform velocity if the distances covered is unequal in relation to the equal intervals of time.

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3 years ago

why do signs at petrol stations warn people not to use cell phones while filling the petrol in their cars?

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Cell phones may be radioactive.Maybe this is the reason???.

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3 years ago

Find the volume of a rectangular prism that is 8m long, 4m wide, and 300cm high

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