A boy and his skateboard have a combined mass of 65 kg what is the speed of the boy and skateboard if they have a momentum of 27
1 answer:
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<em>Mass of fuel has the airplane took on = 167.89 kg</em>
Density is a quantity derived from the mass and volume
density is the ratio of mass per unit volume
With the same mass, the volume of objects that have a high density will be smaller than objects with a smaller type of mass
The unit of density can be expressed in g / cm3 or kg / m3
- Density formula:
ρ = density
m = mass
v = volume
A common example is the water density of 1 gr / cm3
If we look at fuel capacity data such as Airbus which has a maximum capacity of 204, 5 liters then the mass of fuel it carries is
ρ = 0.821 gr / ml = 0.821 kg / l
- mass = ρ . V
mass = 0.821 kg / l . 204.5 liters
mass = 167.89 kg
So the mass of fuel carried by aircraft is 167.89 kg
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Keywords: density, mass, volume, aircraft, fuel, derivative quantities
Answer:
Explanation:
Momentum is the product of mass and velocity. The formula is:
The mass of the cart is 2.0 kilograms. The momentum is 10.0 kg m/s. The velocity is unknown.
Substitute the values into the formula.
We want to solve for the velocity (v). Therefore we must isolate the variable. It is being multiplied and the inverse of multiplication is division. Divide both sides of the equation by 2.0 kg.
The kilograms will cancel each other out.
The velocity is <u>5 meters per second.</u>