Answer:
k = 0.292 N / m
Explanation:
The glider with the spring forms a system with a simple harmonic movement, in this type of movement the angular velocity is given by
w = √ k / m
The angular velocity is related to the frequency and is related to the period
w = 2π f
f = 1 / T
We replace
2π / T = ra (k / m
T = 2π √ (m / k)
The period is the time of a complete oscillation, in this case the glider starts from the equilibrium point and returns for the first time, this corresponds to the middle of the period
½ T = 2.60 s
T = 2 2.60
T= 5.20 s
We clear the equation
T² = 4π² m / k
k = 4π² m / T²
Let's calculate
k = 4π² 0.200 / 5.20²
k = 0.292 N / m
Do 112m /29s which it will be 3.862 which if you round it, it will be 3.86 m/s
Answer:
vertical axis
Explanation:
Duff is a breakdancer whose signature move is spinning around on his head while his body is upside down. It means that the center of axis lies at the center of head. it means that Duff is rotating at vertical axis.
Hence, the correct option is (b) "vertical axis"
"The length of the effort arm and the length of the resistance arm" are the two pieces <span>of information among the following choices given in the question that you need. The correct option among all the options that are given in the question is the fourth option or the last option. I hope the answer has helped you.</span>
