Answer:
The mass of the cube is 420.8 kg.
Explanation:
Given that,
Length of edge = 38.9 cm
Density
We need to calculate the volume of cube
Using formula of volume
We need to calculate the mass of the cube
Using formula of density
Hence, The mass of the cube is 420.8 kg.
Answer:
a
b
Explanation:
From the question we are told that
The length of the Chinook salmon is
The mass of the Chinook salmon is
The upward velocity in water is
The upward velocity in air is
Generally from kinematic equations
=>
=>
=>
=>
Generally magnitude of the force F during this interval in N is mathematically represented as
=>
=>
u = 5.83
Explanation:
The magnitude of a vector is
90km/4hrs=22.5kn/hr average speed. Her dispacement is 0. Her trip started and ended in the same place.