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3 years ago

11

Which pair correctly identifies the strongest and weakest fundamental forces,

1 answer:

Kay [80]3 years ago

7 0

Answer: Option B.

Strong nuclear force Gravity.

Explanation:

Nuclear force is the strongest force while Gravity is the weakest force. Strong nuclear force is the strongest force because it's act and hold atoms of matter together. It also binds neutrons and protons together to form atomic nuclei and it's has strength of 1.

Gravity is considered the weak force out of the four fundamental forces because it has a very small strength of 10^40 than electromagnetic force.

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This table shows the speed of four race horse traveling on a race track in miles per hour which list is in order from the horse

Ivan

Answer:

A) Miss Sally, Blaze, Lightning, Cinnamon

Explanation:

See photo attached

7 0

3 years ago

David is driving a steady 26.0 m/s when he passes tina, who is sitting in her car at rest. tina begins to accelerate at a steady

nata0808 [166]

Relative speed of Tina with respect to David is given by

$v_r = v_t - v_d$

$v_r = 0 - 26$

$v_r = - 26 m/s$

now the acceleration of Tina with respect to David

$a_r = a_t - a_d$

$a_r = 2.80 - 0$

$a_r = 2.80 m/s^2$

now the relative displacement would be zero when Tina cross David

so now we have

$\deta x = 0 = v_r * t + \frac{1}{2} a_r t^2$

$0 = -26 * t + \frac{1}{2}*2.8*t^2$

$t = 18.6 s$

now the speed of Tina at this moment is given as

$v_f = v_i + a * t$

$v_f = 0 + 2.8 * 18.6$

$v_f = 52 m/s$

<em>so the speed will be 52 m/s</em>

5 0

3 years ago

If the 140 g ball is moving horizontally at 25 m/s , and the catch is made when the ballplayer is at the highest point of his le

sweet [91]

(.140*25)+(75*0)= 3.5

3.5 = (.140 + 75)v

(3.5)/(.140 + 75) = v = .04657

which rounds up to .05 m/s

7 0

4 years ago

Describe where each subatomic particle is found in an atom.

Anestetic [448]

Answer:

In the nucleus

Explanation:

You find it in the nucleus. This is where protons and neutrons are. Don't forget the quarks as well ;)

3 0

3 years ago

Read 2 more answers

Two oppositely charged but otherwise identical conducting plates of area 2.50 square centimeters are separated by a dielectric 1

algol13

Answer: 38.2 μC

Explanation: In order to solve this problem we have to use the relationship for a two plate capacitor with a dielectric so:

C= Q/V= we also know that for two paralel plates C=εo*k*A/d and V=E/d

where k is the dielectric constant, A plate area, V is potential difference; E electric field and d the separation between the plates.

reorganizing we have:

Q/A=σ= E*k/εo= 1.2 * 10^6*3.6/8.85 * 10^-12=38.2μC

7 0

4 years ago