A 1.0-kg object moving 9.0 m/s collides with a 2.0-kg object moving 6.0 m/s in a direction that is perpendicular to the initial direction of motion of the 1.0-kg object. The two masses remain together after the collision, and this composite object then collides with and sticks to a 3.0-kg object. After these collisions, the final composite (6.0-kg) object remains at rest. What was the speed of
the 3.0-kg object before the collisions?
a. 15 m/s
b. 10 m/s
c. 5.0 m/s
d. 20 m/s
e. 25 m/s
c
You might also like to view...
The air on Mars is 95% nitrogen and argon
a. True b. False Indicate whether the statement is true or false
Two small cylindrical plastic containers with flat bottoms are placed on a turntable that has a smooth flat surface. Canister A is empty; canister B contains lead shot. Each canister is the same distance r from the center. The coefficient of static friction between the canisters and the turntable is ?s. When the speed of the turntable is gradually increased,
a. only the lighter container slides outward off the turntable; the heavier one stays on. b. only the heavier container slides outward off the turntable; the lighter one stays on. c. both containers slide off the turntable at the same turntable speed. d. the lighter container slides inward. e. the heavier container slides inward.
If the source moves away from you, the frequency you hear is lower than f
Indicate whether the statement is true or false
Describe the consequences of orbital resonances between the moons of Saturn and the particles that make up that planet's ring system
What will be an ideal response?