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A lumberjack (mass 98 kg) is standing at rest on one end of a floating log...
A lumberjack (mass = 98 kg) is standing at rest on one end of a floating...
A lumberjack (mass = 98 kg) is standing at rest on one end of a floating log (mass = 275 kg) that is also at rest. The lumberjack runs to the other end of the log, attaining a velocity of +3.5 m/s relative to the shore, and then hops onto an identical floating log that is initially at rest. Neglect any friction and resistance between the logs and the water. (a) What is the velocity of the first log just...
A lumberjack (mass = 98 kg) is standing at rest on one end of a floating...
A lumberjack (mass = 98 kg) is standing at rest on one end of a floating log (mass = 215 kg) that is also at rest. The lumberjack runs to the other end of the log, attaining a velocity of +4.0 m/s relative to the shore, and then hops onto an identical floating log that is initially at rest. Neglect any friction and resistance between the logs and the water. (a) What is the velocity of the first log just...
A lumberjack (mass = 94.4 kg) is standing at rest on one end of a floating...
A lumberjack (mass = 94.4 kg) is standing at rest on one end of a floating log (mass = 279 kg) that is also at rest. The lumberjack runs to the other end of the log, attaining a velocity of +2.64 m/s relative to the shore, and then hops onto an identical floating log that is initially at rest. Neglect any friction and resistance between the logs and the water. (a) What is the velocity of the first log (again...
Could you please explain your answer? Thank you a velocity of A lumberjack (mass-98 kg) is...
Could you please explain your answer? Thank you
a velocity of A lumberjack (mass-98 kg) is standing at rest on one end of a floating log (mass230 kg) that is also at rest. The lumherjack runs to the other end of the log, attaining an identical laating log that is initially at rest. Neglect any Triction and resistance between the logs and the water. 2.8 mfs relative to the shore, and then haps onto ting log that is (a) what...
A 90-kg lumberjack stands at one end of a 400-kg floating log, as shown in the...
A 90-kg lumberjack stands at one end of a 400-kg floating log, as shown in the following figure. Both the log and the lumberjack are at rest initially. The lumberjack then trots toward the shore with a speed of 2.7 m/s relative to the shore. A) What is the speed of the log relative to the shore? Ignore friction between the log and the water. B) If the mass of the log were greater, would its speed relative to the...
Problem 5 (Lumberjack Riding a Log) An 75-kg lumberjack stands at one end of a 350-kg...
Problem 5 (Lumberjack Riding a Log) An 75-kg lumberjack stands at one end of a 350-kg floating log, as shown in the figure. Both the log and the lumberjack are at rest initially 27m/ (a) If the lumberjack now trots toward the other end of the log, with a speed of 3.0 m/s relative to the log, what is the lumberjack's speed relative to the shore? Ignore friction between the log and the water. (b) If the mass of the...
The lumberjack and his log Jack, the lumberjack, mass mj, is standing on his favorite log,...
The lumberjack and his log Jack, the lumberjack, mass mj, is standing on his favorite log, mass mi, which is floating motionless on the lake. He starts running on the log, reaching a speed of vJJL- 3 m/s, the subscript indicating that it is measured with respect to the log. What is Jack's speed with respect to the shore vjs? Hint: Use Galilean velocity transformations In peace... A cannon is firing shells of mass m, at a muzzle velocity v...
A 70-kg man is standing on the end of a 250-kg log that is floating in...
A 70-kg man is standing on the end of a 250-kg log that is floating in the water. Both the man and the log are at rest, and the log is 3.0 m long. If the man walks to the other end of the log, how far will the log move in the water? Ignore any forces exerted on the log by the water.
Fyzzics girl has a mass of 42 kg. she is standing on one end of an...
Fyzzics girl has a mass of 42 kg. she is standing on one end of an 18.0 kg raft floating in a calm lake. if fyzzics girl walks 2.0 meters across the raft with a horizontal velocity pf 3.6 m/s, what happens to the raft (ignore horizontal effects)
The heaviest wild lion ever measured had a mass of 313 kg. Suppose this lion is...
The heaviest wild lion ever measured had a mass of 313 kg. Suppose this lion is walking by a lake when it sees an empty boat floating at rest near the shore. The curious lion jumps into the boat with a speed of 6.00 m/s, causing the boat with the lion in it to move away from the shore with a speed of 2.50 m/s. How much kinetic energy is dissipated in this inelastic collision.
Could you please explain your answer? Thank you
a velocity of A lumberjack (mass-98 kg) is standing at rest on one end of a floating log (mass230 kg) that is also at rest. The lumherjack runs to the other end of the log, attaining an identical laating log that is initially at rest. Neglect any Triction and resistance between the logs and the water. 2.8 mfs relative to the shore, and then haps onto ting log that is (a) what...
Problem 5 (Lumberjack Riding a Log) An 75-kg lumberjack stands at one end of a 350-kg floating log, as shown in the figure. Both the log and the lumberjack are at rest initially 27m/ (a) If the lumberjack now trots toward the other end of the log, with a speed of 3.0 m/s relative to the log, what is the lumberjack's speed relative to the shore? Ignore friction between the log and the water. (b) If the mass of the...
The lumberjack and his log Jack, the lumberjack, mass mj, is standing on his favorite log, mass mi, which is floating motionless on the lake. He starts running on the log, reaching a speed of vJJL- 3 m/s, the subscript indicating that it is measured with respect to the log. What is Jack's speed with respect to the shore vjs? Hint: Use Galilean velocity transformations In peace... A cannon is firing shells of mass m, at a muzzle velocity v...
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