A 0.180-kg round puck is placed inside a horizontal spring-loaded launcher placed on a frictionless surface. The spring is released and the puck leaves the launcher with 2.50 J of kinetic energy, and slides across the frictionless surface until it strikes a 0.300-kg square block at rest on the surface. Before After Tnob uoveri Aoiillo 9 le = lu 0.180 kg m2 = 0.300 kg 1. What was the puck's velocity just before striking the block? mass of puck: M= 0o180 Ka Kinetic, energy ; KE= 2.50 J KE- Ź mv² 2.50 x 0.180X v? muz 0.180 V=5.2693 m/s 2. What was the puck's momentum just before striking the block? momen tu m i p =mū kg m/s just befcre Striking the kg m/S = 0.180 x 5.269 block = 10.948 3. After striking the block, the puck bounces backwards with a velocity of -1.10 m/s. What is its momentum after this collision? Don't forget about the sign. (You don't know if the collision is elastic.) Y=-)- m/s momentum:3emū
A 0.180-kg round puck is placed inside a horizontal spring-loaded launcher placed on a frictionless surface. The spring is released and the puck leaves the launcher with 2.50 J of kinetic energy, and slides across the frictionless surface until it strikes a 0.300-kg square block at rest on the surface. Before After Tnob uoveri Aoiillo 9 le = lu 0.180 kg m2 = 0.300 kg 1. What was the puck's velocity just before striking the block? mass of puck: M= 0o180 Ka Kinetic, energy ; KE= 2.50 J KE- Ź mv² 2.50 x 0.180X v? muz 0.180 V=5.2693 m/s 2. What was the puck's momentum just before striking the block? momen tu m i p =mū kg m/s just befcre Striking the kg m/S = 0.180 x 5.269 block = 10.948 3. After striking the block, the puck bounces backwards with a velocity of -1.10 m/s. What is its momentum after this collision? Don't forget about the sign. (You don't know if the collision is elastic.) Y=-)- m/s momentum:3emū
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The photo provides all of the information the questions I am having trouble on ask: What then, is the momentum of the block after the collision. And, what is the velocity of the block after the collision?

Transcribed Image Text:A 0.180-kg round puck is placed inside a horizontal spring-loaded launcher placed
on a frictionless surface. The spring is released and the puck leaves the launcher with
2.50 J of kinetic energy, and slides across the frictionless surface until it strikes a 0.300-kg
square block at rest on the surface.
Before
After
Thob uove oiillos 2os
m1 = 0.180 kg
m2 = 0.300 kg
1. What was the puck's velocity just before striking the block?
mass of puck: m= 0o180 Kg
Kinetic
K'E-Ź mv?
2.50 ラx 0.180×く?
energy;
KE= 250 J
0.180
V-5.269 m/s
2. What was the puck's momentum just before striking the block?
momen tu mi P
- mu
P = 0.180 x 5.269 kg m/s
memintum just bef cre Striking the
block 0.948 kg m/S
%3D
3. After striking the block, the puck bounces backwards with a velocity of -1.10 m/s.
What is its momentum after this collision? Don't forget about the sign. (You don't
know if the collision is elastic.)
v=-1. 10 m/s
momentum: $ =mỹ
0.180x (-1.10)
- l0.198 kg m=
こ
momint um atter
collision
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