3 years ago

What do both Dr. Weishampel and Dr. Berger-Wolf use to explore interactions in ecosystems?

1 answer:

alexandr1967 [171]3 years ago

3 0

John Weishampel is a researcher and professor at the University of Central Florida. He studies how the nonliving and living parts of ecosystems interact. ... Tanya Berger-Wolf also uses data and computers to model the interactions in ecosystems. She uses both computer science and life science in her work.

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This question is divided into two parts. This is part (a) of the question. A proton accelerates from rest in a uniform electric

grin007 [14]

Answer:

The acceleration of proton is 5.56 x 10^10 m/s^2 .

Explanation:

initial velocity, u = 0

Electric field, E = 580 N/C

final speed, v = 10^6 m/s

(a) Let the acceleration is a.

According to the Newton's second law

F = m a = q E

where, q is the charge of proton and m is the mass.

$a= \frac{q E}{m}\\\\a = \frac{1.6\times10^{-19}\times 580}{1.67\times 10^{-27}}\\\\a= 5.56\times 10^{10} m/s^2$

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3 years ago

The circuit below shows a silicon based transistor incorporated with a potential decider circuit to control the transistor. Dete

Kazeer [188]

Answer:

757.14 (2.d.p.)

Explanation:

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3 years ago

Find the wavelength (in nm) of a 2.52 eV photon. a. 492.34127 nm.b. 585.88611 nm.c. 541.5754 nm.d. 418.49008 nm.

elena-14-01-66 [18.8K]

Answer:

The correct option is (a).

Explanation:

Given that,

The energy of photon, E = 2.52 eV

We need to find the wavelength of the photon in nm. The formula for the energy of a photon is given by :

$E=\dfrac{hc}{\lambda}\\\\\lambda=\dfrac{hc}{E}\\\\\lambda=\dfrac{6.63\times 10^{-34}\times 3\times 10^8}{2.52\times 1.6\times 10^{-19}}\\\\=4.93\times 10^{-7}\ m\\\\=493\ nm$