A 8.58-g bullet is moving horizontally with a velocity of +366 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resistance is negligible. The bullet passes completely through the first block (an inelastic collision) and embeds itself in the second one, as indicated in part b. Note that both blocks are moving after the collision with the bullet. The mass of the first block is 1168 g, and its velocity is +0.625 m/s after the bullet passes through it. The mass of the second block is 1556 g. (a) What is the velocity of the second block after the bullet imbeds itself? (b) Find the ratio of the total kinetic energy after the collision to that before the collision. 4366m/s Block 1 (a) Before collision +0.625m/s block 1-1168 Block 2 (b) After collision mock 21556 mblies 8.58 Mock 2 (a) Vblock2 Number 1/541 (b) KE after/KEbefore Number i 3.63 Units m/s Units No units +

Two identical pucks collide elastically on an air hockey table. Puck 1 was originally at rest; puck 2 has an incoming speed of 5.30 m/s and scatters at an angle of 30° with respect to its incoming direction. What is the velocity (magnitude in m/s and direction in degrees counterclockwise from the +x-axis) of puck 1 after the collision? (Assume the +x-axis is to the right.) :? 30° %D magnitude 3.00 X m/s direction 60 ° counterclockwise from the +x-axis

Two billiard balls of equal mass move at right angles and meet at the origin of an xy coordinate system. Initially ball A is moving upward along the y axis at 2.0m/sm/s, and ball B is moving to the right along the x axis with speed 3.7m/sm/s. After the collision (assumed elastic), the second ball is moving along the positive y axis.  What is the final direction of ball A? Express your answer using two significant figures.

In Figure (1), a 3.50 g bullet is fired horizontally at two blocks at rest on a frictionless table. The bullet passes through block 1 (mass 1.38 kg) and embeds itself in block 2 (mass 1.93 kg). The blocks end up with speeds v1 = 0.550 m/s and v2 = 1.49 m/s (see Figure (2)). Neglecting the material removed from block 1 by the bullet, find the speed of the bullet as it (a) leaves and (b) enters block 1.

Two shuffleboard disks of equal mass, one orange and the other green, are involved in a perfectly elastic glancing collision. The green disk is initially at rest and is struck by the orange disk moving initially to the right at voi = 3.00 m/s as in Figure a, shown below. After the collision, the orange disk moves in a direction that makes an angle of 0 = 35.0° with the horizontal axis while the green disk makes an angle of o 55.0° with this axis as in Figure b. Determine the speed of each disk after the collision. Vof = m/s Vaf = m/s After the collision Before the collision Need Help? Watch It Read It

A 6.71-g bullet is moving horizontally with a velocity of +362 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resistance is negligible. The bullet passes completely through the first block (an inelastic collision) and embeds itself in the second one, as indicated in part b. Note that both blocks are moving after the collision with the bullet. The mass of the first block is 1158 g, and its velocity is +0.550 m/s after the bullet passes through it. The mass of the second block is 1535 g. (a) What is the velocity of the second block after the bullet imbeds itself? (b) Find the ratio of the total kinetic energy after the collision to that before the collision. +362m/s Block 1 (a) Before collision +0.550m/s mblock 1=1158 (b) After collision mblock 2=1535g Mbullet 6.71g (a) Vblock2= Number (b)KEafter/KEbefore = Number i Block 2 i block 2 Units Units ►

On a frictionless horizontal air table, puck A (with mass 0.255 kg ) is moving toward puck B (with mass 0.370 kg ), which is initially at rest. After the collision, puck A has velocity 0.122 m/s to the left, and puck B has velocity 0.649 m/s to the right. What was the speed vAi of puck A before the collision? Calculate ΔK, the change in the total kinetic energy of the system that occurs during the collision.

A billiard player sends the cue ball toward a group of three balls that are initially at rest and in contact with one another. After the cue ball strikes the group, the four balls scatter, each traveling in a different direction with different speeds as shown in the figure below. If each ball has the same mass, 0.16 kg, determine the total momentum of the system consisting of the four balls immediately after the collision. (Assume v1 = 0.33 m/s, ?1 = 70°, v2 = 0.49 m/s, ?2 = 30°, v3 = 0.23 m/s, v4 = 0.48 m/s.)

Two billiard balls of identical mass move toward each other as shown in the figure. Assume that the collision between them is perfectly elastic. If the initial velocities of the balls are  v1i = +34.3 cm/s  and  v2i = −20.1 cm/s,  what are the velocities of the balls after the collision? Assume friction and rotation are unimportant. (Indicate the direction with the sign of your answer.) v1f =  cm/s v2f =  cm/s

A watermelon is blown into three pieces by a large firecracker. Two pieces of equal mass m fly away perpendicular to one another, one in the x direction another in the y direction. Both of these pieces fly away with a speed of V = 23 m/s. The third piece has three times the mass of the other two pieces. Write an expression for the speed of the larger piece, that is in terms of only the variable V.  What is the numeric value for the speed of the larger piece, in meters per second?  At what angle does the largest piece travel with respect to the -y axis, in degrees?