True or False: Chemical energy stored in food cannot be transformed into mechanical energy
2 answers:
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Answer:
Imp = 25 [kg*m/s]
v₂= 20 [m/s]
Explanation:
In order to solve these problems, we must use the principle of conservation of linear momentum or momentum.
1)
where:
m₁ = mass of the object = 5 [kg]
v₁ = initial velocity = 0 (initially at rest)
F = force = 5 [N]
t = time = 5 [s]
v₂ = velocity after the momentum [m/s]
2)
Answer: The volume is decreasing at a rate of 80 cm3/min
Explanation: Please see the attachments below
