A 0.600-kg ball traveling 4.00 m/s to the right collides with a 1.00-kg ball travel- ing 5.00 m/s to the left. After the collision, the lighter ball is traveling 7.25 m/s to the left. What is the velocity of the heavier ball after the collision? A 90.0-g disk traveling 3.00 m/s tn the right 11: 1
A 0.600-kg ball traveling 4.00 m/s to the right collides with a 1.00-kg ball travel- ing 5.00 m/s to the left. After the collision, the lighter ball is traveling 7.25 m/s to the left. What is the velocity of the heavier ball after the collision? A 90.0-g disk traveling 3.00 m/s tn the right 11: 1
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Transcribed Image Text:7.
MOMENTUM
couples with
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Pigure 6.6 For eailiiens in ane dimenaion, aim the puck
efirectly as thse eenter of the stationary puck, as indicated by
whe bhue velocity veetoe in the phatea.
SIHL
Air Hockey Physics
aracks or lovw-friction
m throughout collisions. Ale
pon of mome
y tablles are typically more accessible for
au Apngs o
needled to study the conservation of mo-
able, try the following collisions:
For elastic collisions, make sure that the
ucks strike one another "head on" by aiming
he puck directly toward the center of a station-
any puck (Fig. 6.6). Make observations about the
clocity of both pucks before and after the collision.
To observe an elastic collision for objects with different masses, place two pucks on top of dne
another with some double-sided tape between them so the remain secure to one another. Repeat the
previous experiment by aiming a single puck at the doubled pucks and note the changes in velocity for
both sets of pucks before and after the collision.
they can stick together when they collide, Again note the velocity of both pucks before and after the
collision.
3. A 0.600-kg ball traveling 4.00 m/s to the right collides with a 1.00-kg ball travel-
ing 5.00 m/s to the left. After the collision, the lighter ball is traveling 7.25 m/s to
the left. What is the velocity of the heavier ball after the collision?
A 90.0-g disk traveling 3.00 m/s to the right collides with a 75.0-g disk traveling
4.
8.00 m/s to the left. After the collision, the heavier disk is traveling 7.00 m/s to
the left. What is the velocity of the lighter disk after the collision?
5.
A 98.0-kg parts cart with rubber bumpers rolling 1.20 m/s to the right crashes
into a similar cart of mass 125 kg moving left at 0.750 m/s. After the collision,
the lighter cart is traveling 0.986 m/s to the left. What is the velocity of the
heavier cart after the collision?
6.
A 75.0-kg paint cart with rubber bumpers is rolling 0.965 m/s to the right and
strikes a second cart of mass 85.0 kg moving 1.30 m/s to the left. After the col-
lision, the heavier cart is traveling 0.823 m/s to the right. What is the velocity of
the lighter cart after the collision?
A railroad car of mass 2.00 × 104 kg is traveling north 6.00 m/s and collides with
a railroad car of mass 1.50 × 104 kg traveling south 4.00 m/s. Find the velocity
of the railroad cars that become coupled after the collision.
Find the velocity of the railroad cars in Problem 7 if the lighter car is initially
8.
at rest.
9.
One cart of mass 12.0 kg is moving 6.00 m/s to the right on a frictionless
track and collides with a cart of mass 4.00 kg moving in the opposite direction
3.00 m/s. Find the final velocity of the carts that become stuck together after
the collision.
One cart of mass 15.0 kg is moving 5.00 m/s to the right on a frictionless track and
collides with a cart of mass 3.00 kg. The final velocity of the carts that become
stuck together after the collision is 1.50 m/s to the right. Find the velocity of the
second cart before the collision.
A 1650-kg automobile moving south 12.0 m/s collides with a 2450-kg automobile
noving north on an icy road. The automobiles stick together and move 3.00 m/s
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