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lesantik [10]
3 years ago
11

What are usability heuristics?

Physics
1 answer:
labwork [276]3 years ago
8 0

Answer:

A heuristic evaluation is a usability inspection method mainly used to identify any design issues associated with the user interface.

Explanation:

They are called “heuristics” because they are broad rules of thumb and not specific usability guidelines.

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You run<br> completely around a 400m track in<br> 80s. What was your average velocity?
dalvyx [7]

Answer:

V=?

S=400m

t=80s

V=S/t

V=400/80

V=5m/sec

6 0
3 years ago
A negatively charged object is brought near the knob of a negatively charged electroscope. The leaves of the electroscope will..
vladimir1956 [14]
Move farther apart because like charges repel each other. 
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3 years ago
A 6.3 g bullet leaves the muzzle of a rifle with a speed of 596.2 m/s. what constant force is exerted on the bullet while it is
ivanzaharov [21]
<span>anwser will be 

F = ma

where 

F = force exerted on the bullet 
m = mass of the bullet = 5 gm (given) = 0.005 kg. 
a = acceleration of the bullet 

Substituting appropriately, 

F = 0.005a --- call this Equation 1 

Next working equation is 

Vf^2 - Vo^2 = 2as 

where 

Vf = velocity of the bullet as it leaves the muzzle = 326 m/sec (given) 
Vo = initial velocity of bullet = 0 
a = acceleration of bullet 
s = length of the rifle's barrel 

Substituting appropriately, 

326^2 - 0 = 2(a)(0.83) 

a = 64,022 m/sec^2 

the anwser will be
Substituting this into Equation 1, 

F = 0.005(64,022) 

F =320.11 Newtons 

Hope this helps. </span><span>
</span>
8 0
4 years ago
How much work is required to compress a gas from a volume of 5.0 l to a volume of 2.5 l by exerting a constant external pressure
ch4aika [34]
A boiling pot of water (the water travels in a current throughout the pot), a hot air balloon (hot air rises, making the balloon rise) , and cup of a steaming, hot liquid (hot air rises, creating steam) are all situations where convection occurs. 
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4 years ago
What removes harmful substances for a cell
NNADVOKAT [17]
It varies if it ia a plant cell or a animal cell
5 0
4 years ago
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