e) Is this collision, elastic, completely inelastic, or inelastic? f) What is the friction force on the 5.0 kg block when it is moving across the rough surface? g) How far will the 5.0 kg block slide across the rough surface before it comes to rest?
e) Is this collision, elastic, completely inelastic, or inelastic? f) What is the friction force on the 5.0 kg block when it is moving across the rough surface? g) How far will the 5.0 kg block slide across the rough surface before it comes to rest?
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Transcribed Image Text:4) A toy wood block of mass m1= 3.25 kg is pushed by hand to compress a spring with a spring constant
k= 550 N/m a distance As = 25cm. The toy block is released by the hand and the spring launches the toy
block across a frictionless surface toward a more massive wood block ofimass m2= 5.0 kg. The 3.5 kg
wood block is moving with an unkown velocity right before it collides with the more massive wood block
which is at rest. After the collision, the 5.0 kg block is moving to the right with a velocity of 3 m/s. The more
massive 5.0 kg block encounters a long rough section of surface having a coefficient of kinetic uk=0.22 and
is eventually brought to rest.
a) Find the velocity of the 3.25 kg block just before the collision.
b) Find the velocity of the 3.25 kg block just after the collision
c) What is the system's energy just before the collision?
d) What is the system's energy just after the collision?
e) Is this collision, elastic, completely inelastic, or inelastic?
f) What is the friction force on the 5.0 kg block when it is moving across the rough surface?
g) How far will the 5.0 kg block slide across the rough surface before it comes to rest?
k= ?
0000
As=
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