Two smooth disks A

and B

each have a mass of $0\mathrm{.}5$ kg

$.$ Both disks are moving with the velocities shown when they collide. The coefficient of restitution is e

$=0\mathrm{.}65.$ Suppose that $($vA$)1$

$=7$ m$/$s

$,($vB$)1$

$=5$ m$/$s

$.($Figure $1)$

Figure$1$ of $1$

Two disks, $\text{'}$A$\text{'}$ and B$,$ move towards the origin of the x y plane, where they collide. On collision, their common tangent lies on the vertical y axis. Disk $\text{'}$A$\text{'}$ moves along the horizontal x axis in the negative x direction with velocity opening parenthesis v subscript $\text{'}$A$\text{'}$ closing parenthesis subscript $1.$ Block B moves from the third quadrant of the plane with velocity opening parenthesis v subscript B closing parenthesis subscript $1.$ This velocity is directed along the hypotenuse of a right triangle with a horizontal leg of $3$ and a vertical leg of $4.$

Part A

Determine the magnitude of the final velocity of A

just after collision.

Express your answer to three significant figures and include the appropriate units.

Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type

$($vA$)2$

$=$

nothing

nothing

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Part B

Determine the angle between the x

axis and the final velocity of A

just after the collision, measured counterclockwise from the positive x

axis.

Express your answer in degrees to three significant figures.

Activate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type

$\backslash$theta $1$

$=$

nothing

$$

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Part C

Determine the magnitude of the final velocity of B

just after collision.

Express your answer to three significant figures and include the appropriate units.

Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type

$($vB$)2$

$=$

nothing

nothing

Request Answer

Part D

Determine the angle between the x

axis and the final velocity of B

just after the collision, measured clockwise from the negative x

axis.

Express your answer using three significant figures.

Activate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type

$\backslash$theta $2$

$=$

nothing

$$

Two smooth disks A and $B$ each have a mass of $0\mathrm{.}5$ kg $.$ Both disks are moving with the velocities shown when they collide. The coefficient of restitution is $e=0\mathrm{.}65.$ Suppose that $(v_A{)}_1=7\frac{m}{s},(v_B{)}_1=5\frac{m}{s}.($Figure $1)$

Figure

$1$ of $1$

Determine the magnitude of the final velocity of A just after collision.

Express your answer to three significant figures and include the appropriate units.

$(v_A{)}_2=$

Part B

Determine the angle between the $x$ axis and the final velocity of A just after the collision, measured counterclockwise from the positive $x$ axis

Express your answer in degrees to three significant figures.

${}_1=$

Part C

Determine the magnitude of the final velocity of $B$ just after collision.

Express your answer to three significant figures and include the appropriate units.

$(v_B{)}_2=$

Part D

Determine the angle between the $x$ axis and the final velocity of $B$ just after the collision, measured clockwise from the negative $x$ axis.

Express your answer using three significant figures.

Two smooth disks A and $B$ each have a mass of $0\mathrm{.}5$ kg $.$ Both disks

are moving with the velocities shown when they collide. The coefficient

of restitution is $e=0\mathrm{.}65.$ Suppose that $(v_A{)}_1=7\frac{m}{s},$

$(v_B{)}_1=5\frac{m}{s}*($Figure $1)$

Figure