সরল পথে একটি কণা v01-e-kt গতিতে চলমান। t সময়ে কণাটির সরণ কত? - Prothom Sir

সরল পথে একটি কণা $v_{0} (1 - e^{- k t})$ গতিতে চলমান। t সময়ে কণাটির সরণ কত?

Created: 9 months ago | Updated: 3 months ago

v_{0} t + \frac{v_{0}}{K} (1 - e^{- k t})

v_{0} t + v_{0} (1 - e^{- k t})

v_{0} t + \frac{v_{0}}{K} (e^{- k t} - 1)

v_{0} t + v_{0} (e^{- k t} - 1)

none of them

203

$|\begin{matrix} x^{4} & x^{2} & a \\ 3 & 1 & b \\ 0 & 0 & c \end{matrix}| = 0$ হলে, ‍a এর মান নির্ণয় কর।

Created: 9 months ago | Updated: 3 months ago

0, \pm \sqrt{a}

0, \pm \sqrt{2}

0, \pm \sqrt{b}

0, \pm \sqrt{3}

0, \pm 3

1099

Created: 9 months ago | Updated: 3 months ago

\sqrt{2}

\frac{1}{\sqrt{2}}

\frac{1}{2}

1120

Created: 9 months ago | Updated: 3 months ago

[\begin{matrix} 1 & 3 \\ 2 & - 1 \end{matrix}]

[\begin{matrix} 1 & - 3 \\ 2 & - 1 \end{matrix}]

[\begin{matrix} 2 & 6 \\ 4 & - 2 \end{matrix}]

[\begin{matrix} 2 & - 6 \\ 4 & - 2 \end{matrix}]

[\begin{matrix} - 2 & - 6 \\ - 4 & 2 \end{matrix}]

1125

Created: 9 months ago | Updated: 3 months ago

(-6, -10)

(6, 10)

(10, 6)

(-10, -6)

(-6, 10)

1209

Created: 9 months ago | Updated: 3 months ago

\frac{1}{4}

- \frac{1}{4}

\frac{1}{2}

- \frac{1}{2}

\frac{1}{3}

1149