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Mariana [72]
3 years ago
10

Who is the president of Africa

Physics
2 answers:
defon3 years ago
8 0
Currently, the president of Africa is Jacob Gedleyihlekisa Zuma.
djverab [1.8K]3 years ago
8 0
Jacob Gedleyihlekisa Zuma is the president of South Africa. He was elected in 2009, and reelected in 2014.
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What technique is used by scientists to determine which of several explanations is the best explanation
jok3333 [9.3K]

Answer:

When conducting research, scientists use the scientific method to collect measurable, empirical evidence in an experiment related to a hypothesis (often in the form of an if/then statement), the results aiming to support or contradict a theory.

I HOPE ITS RIGHT

4 0
3 years ago
What do all waves, including sound and light, have in common​
Schach [20]

Answer:

They all have frequency, wavelength, amplitude, speed and also all transfer energy.

6 0
3 years ago
How long must a current of 100mA flow so as to transfer a charge of 80 C? ​
defon

Answer:

800s

Explanation:

Q=It

where,

Q=80c

I =100MA=0.1A

t=?

Q=It

800=0.1×t

t=80×0.1

t=800s

6 0
3 years ago
Read 2 more answers
A triangular plate with a non-uniform areal density has a mass M=0.500 kg. It is suspended by a pivot at P and can oscillate as
malfutka [58]

The period of the oscillations.T = 1.2042s

Opposition is the process of any quantity or measure fluctuating repeatedly about its equilibrium value throughout time. This process is referred to as oscillation. Oscillation, a periodic fluctuation of a substance, can also be described as alternating between two values or rotating around a central value.

Typically, the mathematical formula for the moment of inertia is

T = 2 π √(I / mgd)

Therefore, a moment of inertia

I = 9.00×10-3 + md^2 ;

I=9.00*10^{-3}+ 0.5 * 0.3^2

I=0.054

T=2\pi \sqrt{0.5*9.8*0.3}

T=1.2042s

The period of the oscillations.T = 1.2042s

Read more about the period of the oscillations. brainly.com/question/14394641

#SPJ1

6 0
1 year ago
Look at the diagram below. What is the size of the overall force on the boat?
inysia [295]
Can i get a picture pls
6 0
2 years ago
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