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Aloiza [94]
3 years ago
6

What statement describes james chadwick's discover?

Physics
1 answer:
MrRissso [65]3 years ago
5 0
James Chadwick discovered the existence of <span>neutrons >>> elementary particles devoid of any electrical charge. 
Hope this helps.</span>
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You pull a wagon with a force of 20 N. The wagon has a mass of 10 kg. What is the wagon's acceleration?
Nana76 [90]

Answer:

<h3>The answer is 2 m/s²</h3>

Explanation:

The acceleration of an object given it's mass and the force acting on it can be found by using the formula

a =  \frac{f}{m}  \\

where

f is the force

m is the mass

From the question

f = 20 N

m = 10 kg

We have

a =  \frac{20}{10}  \\

We have the final answer as

<h3>2 m/s²</h3>

Hope this helps you

5 0
3 years ago
Will mark BRAINLYEST
Zarrin [17]

Answer:

A. shin guards is that answer

6 0
3 years ago
. A horizontal steel spring has a spring constant of 40.0 N/m. What force must be applied to the spring in order to compress it
ANEK [815]

Ans    4 more to be exact

Explanation:

7 0
3 years ago
Determine the energy stored in a parallel plate capacitor that is charged to a potential difference of 150 V. The plates are 4.5
Misha Larkins [42]

Answer: E = 1.93×10^-7 J

Explanation: The formulae for getting the energy stored in a capacitor is given as

E =Cv²/2

Where E = energy stored in capacitor (joules), C = capacitance of capacitor (farad), v = applied voltage =150v.

The formulae implies that we need to get the capacitance of the capacitor (C) first before we can get the energy.

From the parameters given to us

Area of plates =A = 87.5cm² = 87.5/10000 = 0.00875m²

Distance between plates = d = 4.50mm = 4.50/1000 = 0.0045m

C = ε0A/d

Where ε0 = permittivity of free space = 8.85×10^-12 F/m

C = 8.85×10^-12 × 0.00875/ 0.0045

C = 7.743×10^-14/0.0045

C = 1.72×10^-11 F.

Recall that E = Cv²/2

E = ( 1.72×10^-11 × 150×150) /2

E = 3.87×10^-7/2

E = 1.93×10^-7 J

7 0
3 years ago
Compared to wave A, wave B has a _____. (1 point) longer wavelength and lower frequency longer wavelength and lower frequency lo
pshichka [43]

Answer:

longer wavelength and lower frequency

shorter wavelength and greater frequency

Explanation:

f = v/l

l = wavelength

v = speed of wave

f = frequency

7 0
3 years ago
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