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Ilia_Sergeevich [38]
4 years ago
5

Which statement best describes how scientists and engineers work together in the research and development cycle? A. Scientists t

est designs made by engineers and then use the results to improve the designs. B. Scientists develop a new technology, and then engineers test it by doing experiments. C. Engineers come up with scientific questions when they are developing their design, and scientists do research to answer them. O D. Engineers make a scientific discovery, and then scientists perform research to verify it. please help asap if you can​
Physics
2 answers:
Pavlova-9 [17]4 years ago
7 0

Answer:

c

Explanation:

kiruha [24]4 years ago
5 0

C. Engineers come up  with  scientific questions when they are developing their design, and scientists do research to answer them

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An electric motor is traversed by 3.10²º electrons in 6 seconds. Determine the intensity of the current passing through the moto
Effectus [21]

Current is the amount of charged passed divided by elapsed time.

I = Q/Δt

I = current, Q = charge, Δt = elapsed time

We also know an electron has a charge of 1.6×10⁻¹⁹C, so let us find the total charge by multiplying this unit of charge by the total number of electrons:

Q = 1.6×10⁻¹⁹(3×10²⁰) = 48C

We also have Δt = 6s, so let's plug these values in to solve for I:

I = 48/6

I = 8A

4 0
3 years ago
____________occurs when an object travels in a curved path.
labwork [276]

Answer:

Acceleration

Explanation:

can you mark me  brainlies

So, if an object travels in a curved path, it changes velocity, and, thus, accelerates. This acceleration must be tied to a force. ... Therefore, whenever an object travels in a curved path, there must be an unbalanced force acting upon it. It is important to understand that all this may occur without a change in speed.t

4 0
3 years ago
What is the difference between static frication and kinetic friction​
svet-max [94.6K]

static friction is acting on stationery object (rest) but kinetic friction acting on a moving body.

The other one is static friction oppose the object to start a motion so it force is great than kinetic friction

7 0
3 years ago
An aircraft flies at sea level at a speed of 220 m/s. What is the highest pressure that can be acting on the surface of the airc
goldenfox [79]

Answer:

An aircraft flying at sea level with a speed of 220 m/s, has a highest pressure of 29136.8 N/m²

Explanation:

Applying Bernoulli's equation, we determine the highest pressure on the aircraft.

P = \frac{1}{2} \rho V^2

where;

P is the highest pressure on the aircraft

\rho is the density of air = 1.204 kg/m³ at sea level temperature.

V is the velocity of the aircraft = 220 m/s

P = 0.5*1.204*(220)² = 29136.8 N/m²

Therefore, an aircraft flying at sea level with a speed of 220 m/s, has a highest pressure of 29136.8 N/m²

6 0
3 years ago
Read 2 more answers
A beam of light has a wavelength of 4.5 × 10^−7
Afina-wow [57]

<span>Wavelength formula is C=λf or λ=C/f or f = C/λ,</span><span> </span><span>so Frequency = Velocity divided by wavelength, where </span><span>C is the velocity, which is the speed of light:</span><span> </span><span>3.00×108</span><span> </span><span>m/sec</span>

λ is the wavelength in meters
f is the frequency in Hertz (cycles per second)
<span>f=3.00×<span>108</span><span>msec</span>/4.5x<span>10<span>−7</span></span>m=6.7x<span>1014</span>H<span>z</span></span>

3 0
3 years ago
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