Answer:
a. To find how fast it moves when it leaves the spring we use
1/2kx²= 1/2 mv²,
So making speed v subject
v=x√(k/m),
v= 0.888√(71.7/10.5) = 2.32 m/s
B) how far it goes after released
We know that
Work done = change in kinetic energy
So
(1/2 mv²0)= F x D,
F= mu x N,
But N=mg , F=0.234 x 10.5x 9.81= 24.10
So
0.5x 10.5 x 2.32 x 2.32= D x 24.10,
So
D= 1.17 m
C. Now using the work energy theorm:
0.5(mv1²- mv2²) =F xD = mu. mg x D
V2=√(V1²- 2gmu) =
√(2.32x 2.32-2 x 0.432 x 9.81 x 0.234) =
V2=1.8m/s
This statement is false: More hitting among particles creates more energy which means a higher temperature, which in turn means higher pressure. Thus, this is a false statement.
Hope this helps!
Answer: Conductor, semiconductor, insulator
Explanation:
Just did the quiz
Answer:Atmosphere
When a volcano erupts, particles of rock and ash are released into the atmosphere. After this, water droplets form around the rock and ash particles and fall to Earth as rain.
Explanation:
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Answer:
There is the conservation of energy in a harmonic oscillator. As a result, the system amplitude will remain constant. The dissipative forces (i.e. friction) lead to loss of energy in different forms and the system amplitude is reduced due to the reduction in both kinetic and potential energies at the end of each oscillation.
The external forces acting on a driving mechanism must be accounted for at all times. In this case, there is a loss of energy because dissipative forces can be returned back to the system in the presence of the driving to account for the loss in energy.
Explanation:
There is the conservation of energy in a harmonic oscillator. As a result, the system amplitude will remain constant. The dissipative forces (i.e. friction) lead to loss of energy in different forms and the system amplitude is reduced due to the reduction in both kinetic and potential energies at the end of each oscillation.
The external forces acting on a driving mechanism must be accounted for at all times. In this case, there is a loss of energy because dissipative forces can be returned back to the system in the presence of the driving to account for the loss in energy.
