The deepest suggest known in any type of of the earth\"s oceans is in the marianas trench, 10.92 kilometres deep. Assuming water to it is in incompressib
The equipment for the difficulty is:
The press of a pillar of liquid = rho g h
Where: rho = density,
g = 9.81m/s/s, and
h = depth
at 10.92km: P = 1027kg * 9.81m/s/s * 10920 m
= 1027 kg x 107125.2
= 1.10 x 10^8 Pa (the MKS unit that pressure)
Which product will transfer an ext heat? either a product with thermal conductivity = 121W⁄(m°C) or = 22 W⁄(m°C) . Justify her
Lastly, the heat transfer price depends on the material properties explained by the coefficient of thermal conductivity. All four factors are contained in a straightforward equation that was deduced from and also is evidenced by experiments. The price of conductive heat transfer with a slab of material, such together the one in number 3, is given by
is the price of warm transfer in watt or kilocalories per second, k is the heat conductivity of the material, A and d space its surface ar area and thickness, as presented in number 3, and also (T2 − T1) is the temperature difference throughout the slab. Table 1 offers representative values of thermal conductivity.
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10 month ago
A hockey puck slides throughout the ice with an initial velocity the 7.2 m/s. It has actually a deceleration that 1.1 m/s2 and is traveling towa
We have the right to solve the trouble by making use of the following SUVAT equation:
d = 5.0 m is the displacement
u = 7.2 m/s is the early velocity
a = -1.1 m/s^2 is the acceleration (which is negative since that is a deceleration)
t is the time
Substituting numbers into the equation, us find:
This is a second-order equation, whose options are given by:
And the remedies are
t = 0.74 s
t = 12.36 s
The solution we are looking for is the very first one, because it synchronizes to the an initial time in ~ which the hockey puck has actually travelled the distance of 5.0 m, reaching the goal.
5 month ago
Help please! Science!
My best guess is B.
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6 month ago
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