Obtain what the average frictional force that stops bullet

Assignment Help Physics
Reference no: EM13665442

A 7.80 gram bullet moving at 460 m/s penetrates a tree trunk to a depth of 4.4 centimeter.

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

N

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

Reference no: EM13665442

Questions Cloud

80% level of confidence : The program office budgets $30,000 per program review at the contractor's site. Your concern for "end of year" spending drills is that you have budgeted enough for the reviews (i.e. you are only concerned if the actual costs are higher than the..
Calculate what is its kinetic energy : A proton is bent into a circular path of radius 4 meter by a magnetic field of 0.3 T. The momentum of the proton is 360 MeV/c. Determine what is its kinetic energy
Estimate what the length of the pipe : An organ pipe is open at both ends. It is producing sound at its third harmonic, the frequency of which is 262 Hertz. The speed of sound is 343 m/s. Determine what is the length of the pipe
Data value is a low outlier : For each of the following situations, would you prefer that your data value is a low outlier, high outlier, or the mean when compared to others' data values? Why? Provide reasoning. Use your knowledge of what the mean, low, or high outlier i..
Obtain what the average frictional force that stops bullet : A 7.80 gram bullet moving at 460 m/s penetrates a tree trunk to a depth of 4.4 centimeter. Use work and energy considerations to determine the average frictional force that stops the bullet
A national random sample of parents : The C.S. Mott Children's Hospital surveyed a national random sample of parents about their desire for email consultation for their child's minor illness or injury and their willingness to pay for this convenience.
What is a reasonable median total enterprise value : What is a reasonable median Total Enterprise Value/EBITDA and what is a reasonable median Total Enterprise Value/Revenues?
Determine how fast must a ping pong ball move : A 7.000 kilogram bowling ball moves at 3.00m/s. Determine how fast must a 2.45 gram Ping Pong ball move so that the two balls have the same kinetic energy
The probability that at least one of the bonds defaults : What is the probability that at least one of the bonds defaults?

Reviews

Write a Review

 

Physics Questions & Answers

  Two point charges are separated by 100 cm and have charges

two point charges are separated by 10.0 cm and have charges of 2.00 muc and -2.00 muc respectively. calculate the

  What force is exerted by solar radiation

The intensity of solar radiation near the earth is 1.4 × 103 W/m^2. What force is exerted by solar radiation

  How high is the hotel room from the ground

The Burj Khalifa in Dubai is the world\'s tallest building. The structure is 828 m (2,716.5 feet) and has more than 160 stories. how high is the hotel room from the ground

  Compute the average power output for each

A 73kg human sprinter can accelerate from rest to 12m/s in 3.2s . During the same interval, a 31kggreyhound can accelerate from rest to 19m/s. Compute the average power output for each

  Obtain what force is required at the edge

In the park, a mom pushes tangentially on a hand-drivenmerry-go-round and is able to accelerate it from rest to afrequency of 20 rpm in 8.0 s. What force is required at the edge

  Determine the change in the length of the solenoid

A 5.56 10-5 H solenoid is constructed by wrapping 62 turns of wire around a cylinder with a cross-sectional area of 8.30 10-4 m2 , Determine the change in the length of the solenoid.

  Is this circuit inductive-capacitive or in resonance

Given an RLC circuit where its resistance, capacitance and inductive reactance are all the same, 10 ohms. Is this circuit inductive, capacitive or in resonance? Secondly, if the frequency is doubled, what is the new impedance?

  Magnitude of the maximum force of static friction is equal

In a popular amusement park ride, a rotating cylinder of radius R = 3.10 m is set in rotation at an angular speed of 4.20 rad/s, as in the figure shown below. The floor then drops away, leaving the riders suspended against the wall in a vertical posi..

  Determine the radius of the curve

a student builds and calibrates an accelerometer, which she uses to determine the speed of her car around a certain unbanked highway curve. what is the radius of the curve

  Evaluate the separation between the lenses

A coin is located 20.0 cm to the leftof a converging lens (f = 16.0 cm). A second, identicallens is placed to the right of the first lens, Find the separation between the lenses

  Researching personal watercraft safety

You are researching personal watercraft (PWC) safety. These vehicles have a well known safety issue in which the rider loses stearing control when there is no thrust from the engine.

  A carnot engine operates with an efficiency of 230 when the

a carnot engine operates with an efficiency of 23.0 when the temperature of its cold reservoir is 274 k. assuming that

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