Question and Answers Forum

All Questions Topic List

VectorQuestion and Answers: Page 2

Question Number 202035 Answers: 0 Comments: 0

Question Number 201526 Answers: 1 Comments: 0

Question Number 201135 Answers: 1 Comments: 0

Question Number 201107 Answers: 0 Comments: 6

two weels, those have the same materials, with radii:r_1 =4 and r_2 =14 are starting to move on a surface,with the same velocity,from:x=0 to x=20. the surface has no friction. wich one arrives faster? any informations needed?

$t w o w e e l s, t h o s e h a v e t h e s a m e m a t e r i a l s,$ $w i t h r a d i i : r_{1} = 4 a n d r_{2} = 14$ $a r e s t a r t i n g t o m o v e o n a s u r f a c e, w i t h$ $t h e s a m e v e l o c i t y, f r o m : x = 0 t o x = 20 .$ $t h e s u r f a c e h a s n o f r i c t i o n .$ $w i c h o n e a r r i v e s f a s t e r ?$ $a n y i n f o r m a t i o n s n e e d e d ?$

Question Number 200787 Answers: 0 Comments: 0

Question Number 200786 Answers: 0 Comments: 0

Question Number 199218 Answers: 0 Comments: 0

in a triangle nmmm5gfkl

$in a triangle$ $nmmm 5 gfkl$

Question Number 197550 Answers: 1 Comments: 0

Calcul I=∫^( (π/2)) _( 0) ((ln(cost))/(1+sin^2 t))dt

$Calcul I = {\int_{0}}^{\frac{π}{2}} \frac{\ln (cost)}{1 + \sin^{2} t} dt$

Question Number 196145 Answers: 1 Comments: 0

Calculer ∫^( +∞) _( (1/α)) e^(−αt^2 +2t) dt

$Calculer {\int_{\frac{1}{α}}}^{+ \infty} e^{- α t^{2} + 2 t} d t$

Question Number 195722 Answers: 0 Comments: 3

Question Number 195165 Answers: 0 Comments: 1

If r_1 ^(→) =(sinθ,cosθ,θ), r_2 ^(→) =(cosθ,−sinθ,−3) and r_3 ^(→) =(2,3,−1), find (d/dθ){r_1 ^(→) ×(r_2 ^(→) ×r_3 ^(→) )} at θ=0

$If \vec{r_{1}} = (\sin θ, \cos θ, θ), \vec{r_{2}} = (\cos θ, - \sin θ, - 3) and$ $\vec{r_{3}} = (2, 3, - 1), find \frac{d}{d θ} {\vec{r_{1}} \times (\vec{r_{2}} \times \vec{r_{3}})} at θ = 0$

Question Number 194602 Answers: 1 Comments: 0

A ball is thrown vertically upwards with a velocity of 10m/s from a point 75 m above the ground. Calculate the velocity with which it hits the ground.

Question Number 194600 Answers: 1 Comments: 0

An object is pulled up a smooth plane inclined at angle 45° to the horizontal. If the plane is 25 m long and the object comes to rest at the top, correct to two decimal places the: (i) initial speed of the object (ii) time taken to reach the top.

Question Number 193809 Answers: 0 Comments: 0

A(-1, 2), B(3, 5) and C(4, 8) are the vertices of triangle ABC. Forces whose magnitudes are 5N and 3√10N act along (AB) ⃗ and (CB) ⃗ respectively. Find the direction of the resultant of the forces.

Question Number 190702 Answers: 0 Comments: 0

Calcule: I=∫_o ^(𝛑/3) x^2 (sinx)^2 dx

$Calcule : I = \int_{o}^{\frac{π}{3}} x^{2} {(sinx)}^{2} dx$

Question Number 190283 Answers: 0 Comments: 0

calculate laplace transform L { (( e^( −(1/x)) )/( (√x) )) } = ?

$c a l c u l a t e$ $l a p l a c e t r a n s f o r m$ $L {\frac{e^{- \frac{1}{x}}}{\sqrt{x}}} = ?$

Question Number 190186 Answers: 0 Comments: 1

determinant ((( If , Ω= ∫_0 ^( (π/2)) (( 4cos^( 2) (4x))/(3(1+sin^( 2) (2x ))))dx= a(√2) + b ))) ⇒ Find the value of , a− b=?

$\begin{matrix} If, Ω = \int_{0}^{\frac{π}{2}} \frac{{4 \cos}^{2} (4 x)}{3 (1 + \sin^{2} (2 x))} d x = a \sqrt{2} + b \end{matrix}$ $\Rightarrow Find the value of, a - b = ?$

Question Number 188295 Answers: 0 Comments: 0

let S be the sets be the sequences of lenght 2018 whose terms are in the sets {1,2,3,4,5,6,10} and sum to 3860. prove that the cardinality of S is at most 2^(3860) ∙( ((2018)/(2048)))^(2018)

$l e t S b e t h e s e t s b e t h e s e q u e n c e s o f l e n g h t 2018$ $w h o s e t e r m s a r e i n t h e s e t s {1, 2, 3, 4, 5, 6, 10} a n d s u m t o 3860 .$ $p r o v e t h a t t h e c a r d i n a l i t y o f S i s a t m o s t$ $2^{3860} \cdot {(\frac{2018}{2048})}^{2018}$

Question Number 188294 Answers: 0 Comments: 0

Question Number 186863 Answers: 0 Comments: 0

Question Number 186231 Answers: 0 Comments: 0

Question Number 185752 Answers: 0 Comments: 1

Question Number 185154 Answers: 0 Comments: 0

Question Number 183293 Answers: 1 Comments: 0

Help! A beam being lifted by two forces where F1makes an angle of 23° degrees with the y axis acts in the second quadrant F2 acts in the first quadrant making an angle of 32° degrees with the y axis and the resultant force is 67 N, determine F1 and F2.

$Help!$ $A beam being lifted by two forces where$ $F 1 makes an angle of 23 ° degrees with the y$ $axis acts in the second quadrant F 2 acts in$ $the first quadrant making an angle of 32 °$ $degrees with the y axis and the resultant$ $force is 67 N, determine F 1 and F 2 .$

Question Number 183165 Answers: 1 Comments: 0

Question Number 182438 Answers: 1 Comments: 0

[Help me!] The rate of change of w = x^3 y^2 z + y^3 z^2 − xz^4 at the point Q(0, 1, 2) in the direction V^→ = 2i + j + 2k is: a) −2 b) −3 c) −4 d) No alternative

$[Help me!]$ $The rate of change of w = x^{3} y^{2} z + y^{3} z^{2} - {xz}^{4} at the point Q (0, 1, 2)$ $in the direction \vec{V} = 2 i + j + 2 k is :$ $a) - 2$ $b) - 3$ $c) - 4$ $d) No alternative$

Pg 1 Pg 2 Pg 3 Pg 4 Pg 5 Pg 6 Pg 7 Pg 8 Pg 9 Pg 10

Contact: info@tinkutara.com