Atmospheric pressure decreases with the increase in altitude.
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The resultant force is 8N
Given that mass is 2kg , v= 40m/s, u =20m/s and we need to calculate resultant force
F=ma
m is given
so for a
v-u/t=a { first equation of motion }
40-20/4= 4
so a=4
F = ma =2*4 = 8N
The difference between the forces that are acting on an object as part of a system is known as the resultant force.
v = u + at is the first equation of motion. Here, v denotes the end speed, u the starting speed, an acceleration, and t the passage of time. The first equation of motion is provided by the velocity-time relation, which may be used to calculate acceleration.
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They are saying that they would like to see new roads and improvements, but they refuse to pay for it by giving up more money in taxes. Hope this helps :)
Answer:
The density of the box is 0.15 g/cm³
Explanation:
Given;
mass of the box, m = 15 g
dimension of the box, = 10 cm by 5 cm by 2 cm
Volume of the box, v = 10 cm x 5 cm x 2 cm = 100 cm³
The density of the box is given by;
Density = mass / volume
Density = 15 g / 100 cm³
Density = 0.15 g/cm³
Therefore, the density of the box is 0.15 g/cm³
