Question

In: Physics

Bonham the dog stands at the far end of a 14 ft, uniform boat pointing to...

Bonham the dog stands at the far end of a 14 ft, uniform boat pointing to shore (the drawings below are not exactly to scale). The boat is twice as massive as Bonham. Initially, the dog is 20 ft from shore. Eying his owner on shore, Bonham trots to the front of the boat and stops. Assuming no friction and no water current, and also that he walks the full 14 ft length of the boat (meaning his length is small by comparison), how close is Bonham from shore then?

Solutions

Expert Solution

The centre of mass of the system remains stationary at same place. We use this to find the required distance of the dog from shore as shown below


Related Solutions

A person with mass m1 = 68 kg stands at the left end of a uniform...
A person with mass m1 = 68 kg stands at the left end of a uniform beam with mass m2 = 109 kg and a length L = 2.5 m. Another person with mass m3 = 50 kg stands on the far right end of the beam and holds a medicine ball with mass m4 = 8 kg (assume that the medicine ball is at the far right end of the beam as well). Let the origin of our coordinate...
A man with mass m1 = 59 kg stands at the left end of a uniform...
A man with mass m1 = 59 kg stands at the left end of a uniform boat with mass m2 = 163 kg and a length L = 3.5 m. Let the origin of our coordinate system be the man’s original location as shown in the drawing. Assume there is no friction or drag between the boat and water. 1)What is the location of the center of mass of the system? 2)If the man now walks to the right edge...
An 80-kg person stands at one end of a 130-kg boat. He then walks to the...
An 80-kg person stands at one end of a 130-kg boat. He then walks to the other end of the boat so that the boat moves 80 cm with respect to the bottom of the lake. A. What is the length of the boat? B. How much did the center of mass of the person-boat system move when the person walked from one end to the other?
3)A person with mass m1 = 80 kg stands at the left end of a uniform...
3)A person with mass m1 = 80 kg stands at the left end of a uniform beam with mass m2 = 100 kg and a length L = 4.0 m. Another person with mass m3 = 110 kg stands on the far right end of the beam and holds a medicine ball with mass m4 = 10 kg (assume that the medicine ball is at the far right end of the beam as well). Let the origin of our coordinate...
1) A diver of mass 43.0kg stands on the end of a uniform diving board over...
1) A diver of mass 43.0kg stands on the end of a uniform diving board over the water. The board is 7.00m long and has a mass of 75kg. The end of the board opposite the diver is attached to the platform. The bounce of the board is adjusted by a roller underneath that can be moved back and forth. The roller is 2.80 m from the fixed end of the board. a) What are the magnitude and the direction...
In the figure, a uniform, upward-pointing electric field E of magnitude 4.50
In the figure, a uniform, upward-pointing electric field E of magnitude 4.50
The 12​-ft wall shown here stands 28 ft from the building. Find the length of the...
The 12​-ft wall shown here stands 28 ft from the building. Find the length of the shortest straight beam that will reach to the s
A proton is acted on by a uniform electric field of magnitude 313 N/C pointing in...
A proton is acted on by a uniform electric field of magnitude 313 N/C pointing in the negative z-direction. The particle is initially at rest. (a) In what direction will the charge move? (b) Determine the work done by the electric field when the particle has moved through a distance of 3.75 cm from its initial position. ____________J (c) Determine the change in electric potential energy of the charged particle. ___________J (d) Determine the speed of the charged particle. _______m/s
The figure below displays a circular loop of nickel wire in a uniform magnetic field pointing...
The figure below displays a circular loop of nickel wire in a uniform magnetic field pointing into the page. The radius of the loop is 10.0 cm and the magnitude of the field is 0.160 T. You grab points A and B and pull them in opposite directions, stretching the loop until its area is nearly zero, taking a time of 0.210 s to do so. What is the magnitude of the average induced emf in the loop (in mV)...
A 40 ft simple span beam is loaded with a uniform dead load of 2.4 kips/ft...
A 40 ft simple span beam is loaded with a uniform dead load of 2.4 kips/ft plus the beam self-weight and a uniform live load of 3.3 kips/ft. The lateral supports are located at the supports and at the midpoint of the span. Determine the leastweight W-shape to carry the load. Use A992 steel and Cb= 1.0. Design by (a) LRFD and (b) ASD. [6.16-36]
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT