Find the average frictional force that acts on sliding bear

Assignment Help Physics
Reference no: EM13335695

A 48 kg bear slides, from rest, 9.7 m down a lodgepole pine tree, moving with a speed of 5.8 m/s just before hitting the ground.

(a) What change occurs in the gravitational potential energy of the bear-Earth system during the slide?

(b) What is the kinetic energy of the bear just before hitting the ground?

(c) What is the average frictional force that acts on the sliding bear?

Reference no: EM13335695

Questions Cloud

Evaluate the appropriateness of darrells conclusions : Evaluate each of the following questions independently and provide support for your assessment on the effectiveness of the control based on testing performed.
What factors would want to consider in evaluating profit : What factors would you want to consider in evaluating profitability if you were a DVD movie and CD music retailer engaging in a price promotion strategy
What is the average power supplied by the child : A playground merry-go-round has a radius of 4.20m and a moment of Inertia 240 kgm^2 and turns with negligible friction about a vertical axis through its center. What is the average power supplied by the child
Which do consider to be the easiest to avoid or fix and why : Monroe and Cox provide eight pricing practices of companies that have a negative effect on profitability. Which do you consider to be the easiest to avoid or fix Why
Find the average frictional force that acts on sliding bear : A 48 kg bear slides, from rest, 9.7 m down a lodgepole pine tree, moving with a speed of 5.8 m/s just before hitting the ground. find the average frictional force that acts on the sliding bear
Traditional japanese culture benefit matsushita : Essay Question : How did traditional Japanese culture benefit Matsushita during the 1950's-1980's? Did traditional values become more of a liability during the 1990-s and early 2000-s? How so?
How should ted go about crafting strategy to justify request : Ted Jones, the Surgery Unit Director, is about to choose his strategy for creating a capital expenditure funding proposal for the coming year. Ted's unit needs more room.
Calculate the original speeds of the two cars : One car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 7.5m/s , What were the original speeds of the two cars
Written review of the article in student''s own words : 1. Written review of the article in student's own words.  Should include a brief summary of the comments made by the students on the article. Should be about two pages. You are also to submit an electronic copy of the article you reviewed. A power po..

Reviews

Write a Review

Physics Questions & Answers

  How many miles could the car go with given energy

Suppose one gallon of gasoline produces 1.1 × 108 J of energy, and this energy is sufficient to operate a car for twenty miles. how many miles could the car go with that energy

  What horizontal pushing force is required

A 59.3-kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.714, What horizontal pushing force is required to just start the crate moving

  What is the magnitude of the acceleration of a proton

A total of 2.99·106 electrons are placed on an initially uncharged wire of length 2.25 m. What is the magnitude of the acceleration of a proton placed at that point in space

  Carry out an order-of-magnitude

Nobel laureate Richard Feynman (1918-1988) once said that if two persons stood at arm's length from each other and each person had 1% more electrons than protons, the force of repulsion between them would be enough to lift a "weight" equal to that..

  Compute the momentum of the bullet

Compute the momentum of the bullet

  What is the least uncertainty in the ducks speed

Suppose Fuzzy, a quantum-mechanical duck, lives in a world in which h = 2πJ • s. Fuzzy has a mass of 2.00 kg and is at first known to be within a pond 1.00 m wide.

  Find the speed of the aircraft with respect to the ground

the velocity of an airplane is 50km/hr due north. the plane the plane flies into a cross wind of 50km/hr due east at a right angle

  How far is the point from the wire

A long, straight wire carries a current of 48.9 A. The magnetic field produced by this current at a certain point is 7.80E-5 T. How far is the point from the wire

  Find the temperature inside the box

Suppose that a 1.00 cm3 box in the shape of a cube is perfectly evacuated, except for a single particle of mass 1.19 multiply.gif 10-3 g. Find the temperature inside the box

  Find the magnitude and direction of the boats total velocity

A motorboat is pointed due south, and its motor gives the boat a constant speed of 5.00 m/s through still water. Find the magnitude and direction of the boat's total velocity

  Suppose the fan coasts to a stop 30s after being turned off

The front 1.20 m of a 1600 kg car is designed as a "crumple zone" that collapses to absorb the shock of a collision.

  What is the new period of the merry-go-round

A merry-go-round is spinning and has a period of 7.25 s. A boy jumps off in a direction parallel to the radius, what is the new period of the merry-go-round

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