Obtain the average frictional force that stops the bullet

Assignment Help Physics
Reference no: EM13530539

A 7.80-g bullet moving at 490 m/s penetrates a tree trunk to a depth of 6.3 cm.

(a) Use work and energy considerations to find the average frictional force that stops the bullet.

N

(b) Assuming the friction force is constant, determine how much time elapses between the moment the bullet enters the tree and the moment it stops moving.

Reference no: EM13530539

Questions Cloud

Calculate return on net operating assets : Calculate return on net operating assets for all three years. Identify reasons for any changes.
Evaluate the ph of vinegar from the molarity of vinegar : Vinegar is 5% acetic acid and its molarity is 0.833M. Is the concentration of the hydronium ion in vinegar greater than, less than, or equal to 0.833 M--why or why not. Explain why it is incorrect to directly calculate the pH of vinegar from the m..
Important effect to activate proenzymes : Which of the following exerts the most important effect to activate proenzymes?
Analysts reassess manufactured earnings : Analysts reassess Manufactured Earnings' future performance as follows: growth in book value increases to 12 percent per year, but the ROE of the incremental book value is only 15 percent. What is the impact on the market-to-book ratio?
Obtain the average frictional force that stops the bullet : 7.80-g bullet moving at 490 m/s penetrates a tree trunk to a depth of 6.3 cm. Use work and energy considerations to find the average frictional force that stops the bullet
Evaluate the energy required to excite a hydrogen atom : Calculate the energy, in joules, required to excite a hydrogen atom by causing an electric transition from the n=1 to the n=4 principal enegry level
Write a claim of value argument : Drawing evidence from the readings and experience Write a claim of value argument about an aspect of family heritage and individual identity.
Calculate the work done by the friction force : Starting from rest, a 5.5-kg block slides 3.00 m down a rough 30.0° incline, Determine the work done by the friction force between block and incline
Prepare a perpetual inventory record using fifo : Prepare a perpetual inventory record using FIFO.

Reviews

Write a Review

Physics Questions & Answers

  Determine the image location and magnification

A 2.0 cm tall object is placed 15 cm in front of a converging lens with a focal length of magnitude 20 cm. Find the image location and magnification

  Calculate its speed at launch

A stone is dropped from the top of a cliff at t=0. The splash it makes when striking the water below is heard 6 seconds after it is dropped (i.e. at t=6 sec). How high is the cliff? (i.e. find 'h') suppose that the speed of sound in air is 340m/s ..

  How much water must be in the kettle

If it takes 2.25 minutes to heat water in a 250 gm copper kettle from 20 °C to 85 °C, using a 700 W burner, how much water must be in the kettle

  Find the downward force of the water on the bottom of beaker

A 34cm -tall, 6.0cm -diameter cylindrical beaker is filled to its brim with water. What is the downward force of the water on the bottom of the beaker

  Determine total translational plus rotational kinetic energy

A 12 lbm bowling ball 8.59 inches in diameter is given a spin of 1.0 revolution per second while traveling down the lane at 17 ft per second. Determine the total translational plus rotational kinetic energy of the ball.

  Q1 a jewel thief hides a diamond by placing it on the

q1. a jewel thief hides a diamond by placing it on the bottom of a public swimming pool. he places a circular raft on

  What angle does the refracted ray in liquid make with normal

The critical angle for total internal reflection at a liquid-air interface is 41.0. If a ray of light traveling in air has an angle of incidence of 34.5 at the interface with respect to the normal, what angle does the refracted ray in the liquid ma..

  Compute the magnitude of the kinetic frictional force

A 67-kg skier coasts up a snow-covered hill that makes an angle of 25° with the horizontal. The initial speed of the skier is 6.5 m/s. After coasting 1.9 m up the slope, What is the magnitude of the kinetic frictional force

  Compute the total work they do on the supertanker

Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 1.8×106 one at an angle 17 degrees west of north, What is the total work they do on the supertanker

  By how much does the ball clear short of clearing crossbar

A placekicker must kick a football from a point 36.0 m (about 40 yards) from the goal. By how much does the ball clear or fall short of clearing the crossbar

  Find its subsequent angular position as a function of time

A pendulum of period 2s is released from rest at an inclination of 5 degrees to the (downward) vertical. Find it's subsequent angular position as a function of time

  What is the temperature t of the concorde''s skin in flight

Heat is extracted from a certain quantity of steam at 100 degrees celsius. Thus the steam changes into ice at 0 degrees celsius. If this energy were used to accelerate the ice from rest, what would be the linear speed of the ice.

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