Acceleration = (velocity final-velocity initial)/ time
where
velocity final = 135 km/hr x 1 hr /3600 s x 1000m/1km
= 37.5 m/s
velocity initial = 35 km/hr x 1hr /3600 s x 1000 m/1 km
= 9.72 m/s
a) acceleration = 2.646 m/s^2
b) acceleration in g units = (2.646m/s^2)/(9.8m/s^2)
= 0.27 units
In the historical sense, postmodern society is simply a society that occurs after the modern society. ... Many of the elements of a society like this are reactions to what the modern society stood for: industrialism, rapid urban expansion, and rejection of many past principles.
No sea breeze can not occur at night because while sea breezes occur during the day, land breezes occur at night. Despite the difference in times at which the land breezes and sea breezes occur, the reason for the land breeze's formation is basically the same as the sea breeze, but the role of the ocean and land is reversed.
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The provided question is not correct as, there is more than one options are correct, however the explaining every correct option -
Answer:
The correct answer are - silver, copper and aluminium all three used as fuse material.
Explanation:
A safety device in any electric circuit of that prevents the electric system in case of short circuit by breaking the connection of electric system or circuit termed as the Fuse or fuse element. Normally the fuse are made up of wire or element of material that are low in melting point and high in resistance.
Zinc, lead, tin, silver, copper, aluminium, and alloy of tin and alloy are used as fuse element or material for their low melting point and high resistance these are easily breaks the electric path in case of short circuit.
Given Information:
Acceleration = a = 3.5×10⁵g
Gravitational constant = g = 9.8 m/s²
Distance from axis of rotation = r = 2.0 cm = 0.02 m
Required Information:
Angular speed = ω = ?
Answer:
Angular speed = ω = 1.31×10⁴ rad/s
Explanation:
We know that the centripetal acceleration is given by
a = v²/r
The relationship between linear and angular speed is given by
v = ωr
Where ω is the angular speed
So the acceleration becomes
a = (ωr)²/r
a = ω²r²/r
a = ω²r
Re-arrange for ω
ω² = a/r
ω = √(a/r)
The acceleration is
a = 3.5×10⁵g
where g is the gravitational constant
a = 3.5×10⁵*9.81
a = 3.434×10⁶ m/s²
Finally, the required angular speed is
ω = √(3.434×10⁶/0.02)
ω = 1.31×10⁴ rad/s
