How many logs will be needed to keep them afloat

Assignment Help Physics
Reference no: EM1350727

Q. A plane flies from base camp to Lake A, 340 km away in the direction 20.0° north of east. After dropping off supplies it flies to Lake B, which is 240 km at 30.0° west of north from Lake A. Graphically determine the distance and direction from Lake B to the base camp.

Q. Three children, each of weight 36 kg, make a log raft by lashing together logs of diameter 0.3 m and length 1.8 m. How many logs will be needed to keep them afloat? Consider the density of wood to be 842 kg/m3. Density of water = 1 x 103 kg/m3

Reference no: EM1350727

Questions Cloud

Contributions of genetics and experience : Why is it appropriate to separate the contributions of genetics and experience when measuring the development of differences among individuals?
Components of internal control system : What are some major components of an internal control system? Are these components always necessary?
Define policies for improving the organizational climate : Organizational Culture - Determine Schein's argument that: "Inattention to social systems in organizations has led researchers to underestimate the importance of culture: shared norms
Monthly reporting form for checking account customers : As part of a larger system project. Clone Bank of Clone, Colorado, desires your help in setting up a new monthly reporting form for its checking account customers.
How many logs will be needed to keep them afloat : A plane flies from base camp to Lake A, 340 km away in the direction 20.0° north of east. After dropping off supplies it flies to Lake B, which is 240 km at 30.0° west of north from Lake A. Graphically find the distance and direction from Lake B to..
What is the opportunity cost of producing toyotas in nation : what is the opportunity cost of producing Toyotas in each country. Who has the comparative advantage in producing Chevrolets.
Explain what inputs and outcomes might she evaluate : Explain What inputs and outcomes might she evaluate to make this comparison
Nature-nurture debate in the process of language development : How does the evolution of computer-generated speech affects the nature-nurture debate in the process of language development.
Value management : Provide an example of each of these attributes of VM for a successful project you have been involved with. Which of these attributes do you feel provided the most return in value and why?

Reviews

Write a Review

Physics Questions & Answers

  What speed does the truck then strike the tree

A spring with spring constant k = 210N/m is at first compressed x = 1.90 cm. It is now allowed to relax back to its equilibrium length and then it is stretched an additional 2.30 cm. How much work is completed by the spring during this process.

  Compute the rate at which mechanical energy is transferred

Estimate the speed of the water just before striking the turbine blades (overlook air resistance).

  What is the minimum time necessary for crossing

A person can jump a horizontal distance of 2.82m on Earth, where the free-fall acceleration, g = 9.81 m/s2. How far might the person jump on the moon, where the free-fall acceleration is g/6? How far could the person jump on Mars where the accelerati..

  Magnitude of the centripetal acceleration of the satellite

A pipe open at one end has a fundamental frequency of 256 Hz. A second pipe,identical to first pipe, is shortened by cutting off a portion of the open end. When  both pipes vibrate at their fundamental frequencies, a beat frequency of 12 Hz is heard..

  How far does the fish travel in this time

A parallel-plate air capacitor with a capacitance of 245 has the charge of magnitude 0.1502 on each plate. The plates have the separation of 0.323.

  Which step does the ball hit first

suppose the radius of the ball is very small compared to other length scales in the problem. Take starting level as step 0, the next step down as step 1, and so on.

  At what time a grinding wheel has an angular velocity

A 1 m long pedulum with a 2kg mass is pulled back 0.1m and after that released, so that it swings back and forth. How did they solve T= 2.007 seconds.

  Find the largest possible distance between speaker

In the figure, suppose that the separation between speakers A and B is 5.90 m and the speakers are vibrating in phase. They are playing identical 110-Hz tones, and the speed of sound is 343 m/s.

  What is the block''s distance from equilibrium

A stretched rubber band has the length of 0.04 m and a fundamental frequency of 462 Hz. What is the speed at which waves travel on the rubber band.

  Determine the mechanical energy of the system

While John is travelling along a straight interstate highway he notices that the mile marker reads 243 km john travels until he reaches his path to the 178 km marker what is john's resultant displacement from the 243 km marker.

  Find the minimum volume of concrete

Find the minimum volume of concrete (y = 23.6 kN/m3) needed to keep the gate (1 m wide) in a closed position; l = 2 m. Note the hinge at the bottom of the gate. Explain briefly.

  Use approximately five words per bulleted item

Make a 10 to12 slide powerpoint presentation on behaviourism and social-learning theory. Include speaker notes and graphics, limit text to fie lines, and use approximately five words per bulleted item.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd