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Murrr4er [49]
3 years ago
5

20 m/s can be an answer for velocity true or false

Physics
1 answer:
Colt1911 [192]3 years ago
3 0

20 m/s is only a speed. We don't know velocity until we know what direction it's going in. So the statement is False.

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[1 mark]
Sidana [21]

Answer:

D. 24.0m

Explanation:

formula

S=d/t

s=speed

d=distance

t=time

s=3.0m/s

d=x

t=8.0s

s=d/t

d=s*t

d=3.0*8.0

d=24.0m

8 0
3 years ago
Read 2 more answers
At a certain point in space there is a potential of 400 v. what is the potential energy of a 2-μc charge at that point in space?
attashe74 [19]

The potential energy of a 2-μc charge at that point in space is 8*10^{-4} joules.

Given,

V=400v, q=2-μc=2*10^{-6},

U(potential energy)=V*q=400*2*10^{-6}= 8*10^{-4} joules.

<h3>Potential energy</h3>

The energy that an item retains due to its position in relation to other objects, internal tensions, electric charge, or other reasons is known as potential energy in physics. The gravitational potential energy of an object is based on its mass and the distance from the centre of mass of another object. Other common types of potential energy include the elastic potential energy of an extended spring and the electric potential energy of an electric charge in an electric field. The joule, denoted by the sign J, is the SI's definition of an energy unit.

The vectors that are described as gradients of a particular scalar function known as potential can be used to represent these forces, also known as conservative forces, at any location in space.

At a certain point in space there is a potential of 400 v. what is the potential energy of a 2-μc charge at that point in space? group of answer choices'

Learn more about potential energy here:

brainly.com/question/15764612

#SPJ4

8 0
2 years ago
The compass uses a pendulous system to improve?
ivanzaharov [21]

The compass is designed and developed to use a pendulous system to improve horizontality.

<h3>What is a compass?</h3>

A compass can be defined as a scientific instrument that contains a magnetized pointer, which is used to show and indicate the following four (4) main cardinal directions:

  • North (N)
  • South (S)
  • West (W)
  • East (E)

Basically, the compass is a scientific instrument that's designed and developed to use a pendulous system to improve horizontality.

Read more on compass here: brainly.com/question/11165627

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6 0
2 years ago
When you turn off your bedroom lights, the kitchen lights can stay on. This is because your home is wired using which of the fol
FromTheMoon [43]
The answer is b I think
5 0
3 years ago
What minimum volume must the slab have for a 75.0 kgkg woman to be able to stand on it without getting her feet wet
Alisiya [41]

V = 0.9375 m3 is minimum volume .

<h3>What is density ?</h3>
  • We use the word "density" to indicate how much space (or "volume") an object or substance occupies in relation to the amount of matter contained therein (its mass).
  • Density can also be defined as the quantity of mass per unit of volume. A dense object is one that is both hefty and small.

Given,

            1000 kg/m3 = density of water

             920 kg/m3 = density of ice

BF = Woman Weight + Slab Weight

Pvg = 75 + Pvg

V = 75 kg / (1000 - 920)

V = 75 / 80

V = 0.9375 m3

Therefore, V = 0.9375 m3 is minimum volume .

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brainly.com/question/952755

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6 0
2 years ago
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