Homework Answers
by symmetry, F1 = F2 = F (say)
now, 2F*sin(30) = F3
F = F3
F1=F2=F3
so a) is correct
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block of mass m is hung by ropes as shown. the system is in
equilibrium....
7. A 40kg block is hung by ropes as shown. The system is in equilibrium. The...
7. A 40kg block is hung by ropes as shown. The system is in equilibrium. The poiem represents the knot, the junction of the three ropes 30° 30 a. (5 pts) Construct a free body diagram for the knot. b. (5 pts) What is the net force on the knot? Net force on knot c. (10 pts) What are the magnitudes of Fi. F, and F,?
A block with mass m =7.2 kg is hung from a vertical spring. When the mass...
A block with mass m =7.2 kg is hung from a vertical spring. When the mass hangs in equilibrium, the spring stretches x = 0.25 m. While at this equilibrium position, the mass is then given an initial push downward at v = 4.6 m/s. The block oscillates on the spring without friction. What is the spring constant of the spring? What is the oscillation frequency? After t = 0.39 s what is the speed of the block? What is...
A block with mass m =6.2 kg is hung from a vertical spring. When the mass...
A block with mass m =6.2 kg is hung from a vertical spring. When
the mass hangs in equilibrium, the spring stretches x = 0.22 m.
While at this equilibrium position, the mass is then given an
initial push downward at v = 4.7 m/s. The block oscillates on the
spring without friction.
1) What is the spring constant of the spring?
2) What is the oscillation frequency?
3) After t = 0.33 s what is the speed of the...
A block with mass m =7.3 kg is hung from a vertical spring. When the mass...
A block with mass m =7.3 kg is hung from a vertical spring. When
the mass hangs in equilibrium, the spring stretches x = 0.29 m.
While at this equilibrium position, the mass is then given an
initial push downward at v = 4.9 m/s. The block oscillates on the
spring without friction.
1) What is the spring constant of
the spring?
2) What is the oscillation frequency?
3) After t = 0.45 s what is the speed of the...
A block with mass m =7.5 kg is hung from a vertical spring. When the mass...
A block with mass m =7.5 kg is hung from a vertical spring. When
the mass hangs in equilibrium, the spring stretches x = 0.25 m.
While at this equilibrium position, the mass is then given an
initial push downward at v = 4.1 m/s. The block oscillates on the
spring without friction.
A block with mass m-7.5 ka hung from a vertical spring. Whon the ms hang in equilibrlum, the spring stretches x 0.25m. while at thk equErium pacition,...
9.[1pt] In the Figure, a block m sits on a table. There is static friction between...
9.[1pt] In the Figure, a block m sits on a table. There is static friction between block and table. Block m2 hangs from a knot, as shown. Call the tension in the rope connecting the knot to mi T1". Call the tension in the rope connecting the knot to m2, "T2". Call the tension in the third rope (the one tipped up by an angle theta, connecting the knot to the wall), "T3". The system is in equilibrium Which of...
A block with mass m =7.5 kg is hung from a vertical spring. When the mass...
A block with mass m =7.5 kg is hung from a vertical spring. When
the mass hangs in equilibrium, the spring stretches x = 0.27 m.
While at this equilibrium position, the mass is then given an
initial push downward at v = 4.2 m/s. The block oscillates on the
spring without friction.
3) After t = 0.32 s what is the speed of the block?
5) At t = 0.32 s what is the magnitude of the net force...
verticalspring A block with mass m =6.7 kg is hung from a vertical spring. When the...
verticalspring A block with mass m =6.7 kg is hung from a vertical spring. When the mass hangs in equilibrium, the spring stretches x = 0.27 m. While at this equilibrium position, the mass is then given an initial push downward at v = 4.5 m/s. The block oscillates on the spring without friction. At t = 0.46 s what is the magnitude of the net force on the block?
A block with mass m =6.6 kg is hung from a vertical spring. When the mass...
A block with mass m =6.6 kg is hung from a vertical spring. When the mass hangs in equilibrium, the spring stretches x = 0.24 m. While at this equilibrium position, the mass is then given an initial push downward at v = 4.3 m/s. The block oscillates on the spring without friction. 1) What is the spring constant of the spring? N/m Submit 2) What is the oscillation frequency? Hz Submit 3) After t = 0.41 s what is...
2 24. A 6-m long platform is hung by two ropes as shown below. The platform...
2 24. A 6-m long platform is hung by two ropes as shown below. The platform has a mass of 150 kg. (Assume gravity acts on the midpoint of the platform.) There is a person standing at the far right edge of the platform, 1.5 m from the right rope. The person has a mass of 70 kg. 1.5 m What is the tension in the left rope? 3 m a) 841 N b) 1078 N c) 2156 N d)...
7. A 40kg block is hung by ropes as shown. The system is in equilibrium. The poiem represents the knot, the junction of the three ropes 30° 30 a. (5 pts) Construct a free body diagram for the knot. b. (5 pts) What is the net force on the knot? Net force on knot c. (10 pts) What are the magnitudes of Fi. F, and F,?
A block with mass m =7.2 kg is hung from a vertical spring. When the mass hangs in equilibrium, the spring stretches x = 0.25 m. While at this equilibrium position, the mass is then given an initial push downward at v = 4.6 m/s. The block oscillates on the spring without friction. What is the spring constant of the spring? What is the oscillation frequency? After t = 0.39 s what is the speed of the block? What is...
A block with mass m =6.2 kg is hung from a vertical spring. When
the mass hangs in equilibrium, the spring stretches x = 0.22 m.
While at this equilibrium position, the mass is then given an
initial push downward at v = 4.7 m/s. The block oscillates on the
spring without friction.
1) What is the spring constant of the spring?
2) What is the oscillation frequency?
3) After t = 0.33 s what is the speed of the...
A block with mass m =7.5 kg is hung from a vertical spring. When
the mass hangs in equilibrium, the spring stretches x = 0.25 m.
While at this equilibrium position, the mass is then given an
initial push downward at v = 4.1 m/s. The block oscillates on the
spring without friction.
A block with mass m-7.5 ka hung from a vertical spring. Whon the ms hang in equilibrlum, the spring stretches x 0.25m. while at thk equErium pacition,...
9.[1pt] In the Figure, a block m sits on a table. There is static friction between block and table. Block m2 hangs from a knot, as shown. Call the tension in the rope connecting the knot to mi T1". Call the tension in the rope connecting the knot to m2, "T2". Call the tension in the third rope (the one tipped up by an angle theta, connecting the knot to the wall), "T3". The system is in equilibrium Which of...
A block with mass m =7.5 kg is hung from a vertical spring. When
the mass hangs in equilibrium, the spring stretches x = 0.27 m.
While at this equilibrium position, the mass is then given an
initial push downward at v = 4.2 m/s. The block oscillates on the
spring without friction.
3) After t = 0.32 s what is the speed of the block?
5) At t = 0.32 s what is the magnitude of the net force...
A block with mass m =6.6 kg is hung from a vertical spring. When the mass hangs in equilibrium, the spring stretches x = 0.24 m. While at this equilibrium position, the mass is then given an initial push downward at v = 4.3 m/s. The block oscillates on the spring without friction. 1) What is the spring constant of the spring? N/m Submit 2) What is the oscillation frequency? Hz Submit 3) After t = 0.41 s what is...
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