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3 years ago

Creating a prototype and troubleshooting are steps in the development of?

2 answers:

8 0

Your answer is a new experiment, since it's something that hasn't been tried before, or has, but resulted in with lots of errors.

Zigmanuir [339]3 years ago

7 0

Answer:

Im not the surest of what the answer is but it's not "a new expirement" for anyone thats wondering.

Explanation:

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1.A worker pulls horizontally on a crate across a rough horizontal surface, causing it to move forward with constant velocity. F

Ymorist [56]

1. Answer:

The relationship between Force A and Force B is given as:

A = B

Explanation:

To produce acceleration to a body, an unbalanced force must be applied. Meaning that a Force must be applied to the body greater than that of Force of Friction.

In our case, a Force A is exerted on the crate which is moving with a constant velocity. As there is no acceleration, the force applied must be equal to the force of Friction B.

2. Answer:

The electron's acceleration is 1.756 x 10¹⁷ ms⁻².

Explanation:

Electric field exerts a Force on the electron given as:

F = 1.6 x 10⁻¹³ N

Rest mass of electron = 9.11 x 10⁻³¹ kg

According to newton's 2nd law of motion, a net force F applied on the electron must produce an acceleration 'a' which is directly proportional to the Force and inversely proportional to the rest mass of the electron given as:

a = F/m

a = (1.6 x 10⁻¹³)/(9.11 x 10⁻³¹)

a = 1.756 x 10¹⁷ ms⁻²

4 0

3 years ago

A child sits 2 meters from the center of a merry-go-round rotating with a

Readme [11.4K]

The mass is 7.81 kilograms

6 0

3 years ago

What is not an advantage of radio telescopes over optical telescopes?

Zina [86]

The size needed for the radio telescope.

8 0

3 years ago

An attractive force of |1N| exists between two charged particles. The magnitude of both charges is the same. If the particles ar

Sever21 [200]

Answer:

A: -2.6 × 10^(-6) C and 2.6 × 10^(-6) C

Explanation:

According to coulombs law, the formula for the force between 2 charged particles is;

F = kq1•q2/r²

Where;

F is Force = |1N|

q1 and q2 are the charges of both particles

k is coulombs constant = 9 × 10^(9) N.m²/C²

r is distance between particles = 0.25

Now, the force |1N| means -1 or +1

Thus;

-1 = 9 × 10^(9) × q1•q2/(0.25)²

1 = 9 × 10^(9) × q1•q2/(0.25)²

Thus;

q1•q2 = -6.94 × 10^(-12)

Or q1•q2 = 6.94 × 10^(-12)

Now, we are told that the magnitude of both charges are the same.

Thus;

q² = 6.94 × 10^(-12)

q = √(6.94 × 10^(-12))

q = 2.6 × 10^(-6) C

Since from earlier, we saw that;

q1•q2 = -6.94 × 10^(-12)

Or q1•q2 = 6.94 × 10^(-12)

Thus means that one of the charges will be negative while the other will be positive.

Thus, the charges are;

-2.6 × 10^(-6) C and 2.6 × 10^(-6) C

6 0

3 years ago

What is the Archimedes Principle and how does it relate to the Plimsoll Line?

Citrus2011 [14]

$\huge\fbox \pink{a}ns \huge\fbox \green{w} \huge\fbox \red{e} r$

Archimedes' principle states: An object immersed in a fluid experiences a buoyant force that is equal in magnitude to the force of gravity on the displaced fluid.
The PLIMSOLL LINE marked on the body of the ship acts as a guideline to ensure that the ship is loaded within the safety limit. A ship submerge lower in fresh water as fresh water density is lesser than sea water. Ships will float higher in cold water as cold water has a relatively higher density than warm water.

6 0

3 years ago

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