According to the Can Manufacturers Institute, the energy used to make an aluminum can from recycled aluminum is 5% of the energy
used to make an aluminum can from virgin ore. In a typical year, 1.7 billion pounds of aluminum cans are recycled.
Part A
How much energy is thermally transferred to get this mass of aluminum from 20 ∘C to its melting point, 660 ∘C?
Part A
How much energy is thermally transferred to get this mass of aluminum from 20 ∘C to its melting point, 660 ∘C?
1 answer:
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Answer:
The angular speed is
Explanation:
From the question we are told that
The time taken is
The number of somersaults is n = 1.5
The total angular displacement during the somersault is mathematically represented as
substituting values
The angular speed is mathematically represented as
substituting values
Answer:
The bottom of the sea is 25 m below sea level.
Explanation:
Given data
Mass = 6.1 ×
We know that Buoyant force on the tank is equal to gravity force of the tank.
1020 × = 6.1 ×
= 598039.21
We know that
= W × L × H
598039.21 = 300 × 80 × H
H = 25 m
Therefore the bottom of the sea is 25 m below sea level.
Answer:
10 km/hr/s
Explanation:
The acceleration of an object is given by
where
v is the final velocity
u is the initial velocity
t is the time
For the car in this problem:
u = 0
t = 6 s
Substituting in the equation,