Question

A 531 kg mass is sliding on a horizontal frictionless surface with a speed of 9.7 m/s when it…

A 531 kg mass is sliding on a horizontal frictionless surface with a speed of 9.7 m/s when
it collides with a 81 kg mass initially at rest,
as shown. The masses stick together and slide
up a frictionless track at 60
?
from horizontal.
81 kg 531 kg
9.7 m/s
60
?
What is the speed of the two blocks immediately after the collision? The acceleration
due to gravity is 9.8 m/s
2
.
Answer in units of m/s

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