In the Figure m1=20 kg, m2=30 kg. The spring constant is 250 N/m and ϑ=4.6˚. The spring is unstretched as shown. If m1 is pulled down the incline a distance h=20 cm. Find the velocity of m1 as the spring becomes unstretched again.
1- 4.64
2- 2.03
3- 2.56
4- 3.09
5- 3.40
Homework Answers
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In the Figure m1=20 kg, m2=30 kg. The spring constant is 250 N/m
and ϑ=4.6˚. The...
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m3=4.6 kg which undergo two successive completely inelastic
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The figure below show three masses m1=1.6 kg, m2=3.0 kg, and m3=4.6 kg which undergo two...
The
figure below show three masses m1=1.6 kg, m2=3.0 kg, and m3=4.6 kg
which undergo two successive collisions. The first collision
between m1, which has an initial velocity v=6.9 m/s, and m2 (which
is initially at rest) is completely inelastic. The second collision
between the combined mass m1+m2 and m3 (which is initially at rest)
is elastic. What is the velocity of m3 after the second
collision?
V 1 2 co
The figure below show three masses m1=1.5 kg, m2=2.7 kg, and m3=4.6 kg which undergo two...
The figure below show three masses m1=1.5 kg,
m2=2.7 kg, and m3=4.6 kg which undergo two
successive collisions. The first collision between m1,
which has an initial velocity v=8.6 m/s, and m2 (which
is initially at rest) is completely inelastic. The second collision
between the combined mass m1+m2 and
m3 (which is initially at rest) is elastic. What is the
velocity of m3 after the second collision?
V 1 2 co
The figure below show three masses m1=1.6 kg, m2=3.0 kg, and m3=4.6 kg which undergo two...
The figure below show three masses m1=1.6 kg,
m2=3.0 kg, and m3=4.6 kg which undergo two
successive collisions. The first collision between m1,
which has an initial velocity v=6.9 m/s, and m2 (which
is initially at rest) is completely inelastic. The second collision
between the combined mass m1+m2 and
m3 (which is initially at rest) is elastic. What is the
velocity of m3 after the second collision?
V 1 2 3
A single mass (m1 = 4.4 kg) hangs from a spring in a motionless elevator.
A single mass (m1 = 4.4 kg) hangs from a spring in a motionless elevator. The spring constant is k = 270 N/m. 1) What is the distance the spring is stretched from its unstretched length? 2) Now, three masses (m1 = 4.4 kg, m2 = 13.2 kg and m3 = 8.8) hang from three identical springs in a motionless elevator. The springs all have the same spring constant given above. What is the magnitude of the force the bottom spring exerts on the...
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You have two equal masses m1 and m2 and a
spring with a spring constant k. The mass m1 is
connected to the spring and placed on a frictionless horizontal
surface at the relaxed position of the spring. You then hang mass
m2, connected to mass m1 by a
massless cord, over a pulley at the edge of the horizontal surface.
When the entire system comes to rest in the equilibrium position,
the spring is stretched an amount d1 as shown...
The figure below show three masses m1=1.5 kg, m2=2.9 kg, and
m3=4.6 kg which undergo two successive completely inelastic
collisions. If m1 has an initial velocity v=6.2 m/s and both m2 and
m3 are initially at rest, what is the velocity of the combined mass
after the second collision.
V 1 2 co
The
figure below show three masses m1=1.6 kg, m2=3.0 kg, and m3=4.6 kg
which undergo two successive collisions. The first collision
between m1, which has an initial velocity v=6.9 m/s, and m2 (which
is initially at rest) is completely inelastic. The second collision
between the combined mass m1+m2 and m3 (which is initially at rest)
is elastic. What is the velocity of m3 after the second
collision?
V 1 2 co
The figure below show three masses m1=1.5 kg,
m2=2.7 kg, and m3=4.6 kg which undergo two
successive collisions. The first collision between m1,
which has an initial velocity v=8.6 m/s, and m2 (which
is initially at rest) is completely inelastic. The second collision
between the combined mass m1+m2 and
m3 (which is initially at rest) is elastic. What is the
velocity of m3 after the second collision?
V 1 2 co
The figure below show three masses m1=1.6 kg,
m2=3.0 kg, and m3=4.6 kg which undergo two
successive collisions. The first collision between m1,
which has an initial velocity v=6.9 m/s, and m2 (which
is initially at rest) is completely inelastic. The second collision
between the combined mass m1+m2 and
m3 (which is initially at rest) is elastic. What is the
velocity of m3 after the second collision?
V 1 2 3
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