Cinematica del punto

Cinematica del punto

University

11 Qs

quiz-placeholder

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Cinematica del punto

Cinematica del punto

Assessment

Quiz

Other

University

Hard

Created by

Giovanni Bianchi

Used 42+ times

FREE Resource

11 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

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2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Il vettore accelerazione

 aP\overrightarrow{a_P}  nello SPAZIO è uguale a ...

 aP  = d2sdt2n +1ρ(dsdt)2 t\overrightarrow{a_P\ }\ =\ \frac{\text{d}^2s}{\text{d}t^2}\overrightarrow{n\ }+\frac{1}{\rho}\left(\frac{\text{d}s}{\text{d}t}\right)^2\ \overrightarrow{t}  

 aP  = d2sdt2t +1ρ(dsdt)2 n\overrightarrow{a_P\ }\ =\ \frac{\text{d}^2s}{\text{d}t^2}\overrightarrow{t\ }+\frac{1}{\rho}\left(\frac{\text{d}s}{\text{d}t}\right)^2\ \overrightarrow{n}  

 aP  = d2sdt2n +(dsdt)2 t\overrightarrow{a_P\ }\ =\ \frac{\text{d}^2s}{\text{d}t^2}\overrightarrow{n\ }+\left(\frac{\text{d}s}{\text{d}t}\right)^2\ \overrightarrow{t}  

 aP  = d2sdt2t \overrightarrow{a_P\ }\ =\ \frac{\text{d}^2s}{\text{d}t^2}\overrightarrow{t\ }  

3.

MULTIPLE SELECT QUESTION

1 min • 1 pt

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Il vettore accelerazione

 aP\overrightarrow{a_P}  nel piano è uguale a...

 aP  = d2ρdt2eiθ+ρ (dθdt)2 ei(θ+π)\overrightarrow{a_P\ }\ =\ \frac{\text{d}^2\rho}{\text{d}t^2}e^{i\theta}+\rho\ \left(\frac{\text{d}\theta}{\text{d}t}\right)^2\ e^{i\left(\theta+\pi\right)}  

 aP  = (d2xPdt2)2+(d2yPdt2)2t\overrightarrow{a_P\ }\ =\ \sqrt{\left(\frac{\text{d}^2x_P}{\text{d}t^2}\right)^2+\left(\frac{\text{d}^2y_P}{\text{d}t^2}\right)^2}\overrightarrow{t}  

 aP = aPtt+aPnn\overrightarrow{a_P}\ =\ a_{P^{ }}^t\overrightarrow{t}+a_{P^{ }}^n\overrightarrow{n}  

 aP = dvPdtt +vP2ρn\overrightarrow{a_P}\ =\ \frac{\text{d}v_P}{\text{d}t}\overrightarrow{t}\ +\frac{v_P^2}{\rho}\overrightarrow{n}  

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

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I versori della terna intrinseca sono...

t = vPvP\overrightarrow{t}\ =\ \frac{\overrightarrow{v_P}}{\left|\overrightarrow{v_P}\right|}

n = b ×t\overrightarrow{n}\ =\ \overrightarrow{b}\ \times\overrightarrow{t}

b = t×n\overrightarrow{b}\ =\ \overrightarrow{t}\times\overrightarrow{n}

b = n×t\overrightarrow{b}\ =\ \overrightarrow{n}\times\overrightarrow{t}

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

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Il moto rettilineo del punto P nel piano...

aPn = 0\overrightarrow{a_P^n\ }=\ 0

t = i\overrightarrow{t}\ =\ \overrightarrow{i}

t = cos(α)i+sin(α)j\overrightarrow{t}\ =\ \cos\left(\alpha\right)\overrightarrow{i}+\sin\left(\alpha\right)\overrightarrow{j}

aP = (dsdt)2t\overrightarrow{a_P}\ =\ \left(\frac{\text{d}s}{\text{d}t}\right)^2\overrightarrow{t}

6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

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Il moto circolare uniforme del punto P

s = Rωts\ =\ R\omega t

vP = ρdθdteiθ\overrightarrow{v_P\ }\ =\ \rho\frac{\text{d}\theta}{\text{d}t}e^{i\theta}

vP = Rω\overrightarrow{v_P}\ =\ R\omega

vP = dρdteiθ\overrightarrow{v_P}\ =\ \frac{\text{d}\rho}{\text{d}t}e^{i\theta}

7.

MULTIPLE SELECT QUESTION

1 min • 1 pt

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Il moto circolare uniforme del punto P

aP = 0\overrightarrow{a_P}\ =\ 0

aP = ωRt+ω2Rn\overrightarrow{a_P}\ =\ \omega R\overrightarrow{t}+\omega^2R\overrightarrow{n}

aP = ω2Rn\overrightarrow{a_P}\ =\ \omega^2R\overrightarrow{n}

aP = ωRt\overrightarrow{a_P}\ =\ \omega R\overrightarrow{t}

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