What is the minimum time necessary for crossing

Assignment Help Physics
Reference no: EM1359220

Q. A 12 g bullet traveling 224 m/s penetrates a 2.0 kg block of wood and emerges going 166 m/s. If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges?

Q. A hunter wishes to cross a river that is 1.1 km wide and flows with a speed of 5.0 km/h parallel to its banks. The hunter uses a small powerboat that moves at a maximum speed of 11 km/h with respect to the water. What is the minimum time necessary for crossing?

Reference no: EM1359220

Questions Cloud

Agi and deduction : Alan, who is a security officer, is shot while on the job. As a result, Alan suffers from a leg injury and must spend most of his time in a wheelchair until his recovery. Alan's physician recommends that he install a whirlpool bath in his home for..
Show on a supply-and-demand diagram : Show on a supply-and-demand diagram and explain in words what will happen to the Canadian exchange rate compared to the foreign exchange rate when the world demand for lumber, wheat, and paper increases.
Draw an entity-relationship for jcbc : Each team plays two games (home and visitor) against each of the other teams during the season and the score needs to be captured. Draw an entity-relationship for JCBC (in 3NF).
Industry and globalization : Choose two countries (other than the U.S.) within the same region of the world. Assess the political risks, economic risks, and legal risks of each country.
What is the minimum time necessary for crossing : What is the minimum time necessary for crossing.
Importance of active listening : Importance of Active Listening - Explain a time when you did not actively listen during either a professional or personal conversation.
Explain and formulate an linear programming model : Explain and Formulate an linear programming model for this problem and Create a spreadsheet model for this problem and solve it using Solver.
Determine stock selling price : The risk free rate of return, r RF, is 6%; the required rate of return on the market is 10%; and Upton Company's stock has a beta coefficient of 1.5.
Categories and diagnoses are mood disorders : The most common categories and diagnoses are mood disorders, anxiety disorders, personality disorder, schizophrenia, and addiction.

Reviews

Write a Review

Physics Questions & Answers

  Define the number of gallons of gasoline consumed

A rocket is launched at an angle of 56.0° above the horizontal with the initial speed of 101 m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 28.0 m/s2. At this time, its engines fail and the rocket proceeds..

  What is the potential difference between birds feet

A proton is projected perpendicularly into a magnetic field that has a magnitude of 0.30 T. The field is then adjusted so that an electron will follow a circular path of the similar radius when it is projected perpendicularly into the field with t..

  What wavelength of light in the visible region transmitted

A blacksmith heats a 1.9 kg iron horseshoe to 480 degree C, then plunges it into a bucket containing 10kg of water at 20 degree C. The specific heat of iron is 447 J/kgK. What is the final temperature.

  How fast was the ball moving while it left the racquet

A projectile is fired at time t = 0.0 s, from point 0 at edge of a cliff, with initial velocity components of vix=30m/s and viy = 100m/s. The projectile rises, and then falls into the sea at point P. The time of flight of the projectile is 20s.

  Find the distance between the point of firing

A 2 kg projectile is fired with an initial speed of 135 m/s at an angle of 68° with the horizontal. At the top of its trajectory, the projectile explodes into two fragments of masses 0.72 kg and 1.28 kg. At 3.8 s after the explosion, the 1.28 kg f..

  What is the time of oscillation of an object

The period of oscillation of an object in a frictionless tunnel running through the Earth is 84.3 min. What is the time of oscillation of an object in a similar tunnel on the Moon.

  Find out the coefficient of sliding friction

Find out the coefficient of sliding friction

  What will the new water temperature be

What minimum heat is needed to bring 138g water at 22°C to the boiling point and completely boil it away.

  How far will a point on the edge

A water pipe is inclined 32.0° below the horizontal. The radius of the pipe at the upper end is 3.00 cm. If the gauge pressure at a point at the upper end is 0.117 atm, what is the gauge pressure at a point 2.65 m downstream, where the pipe has narro..

  How much time is spent in pushing the mower

How much time is spent in pushing the mower

  Compute the average coefficient of linear expansion of rod

A uniform plank of length 4.50 m and weight 275 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support. To what distance x can a person who weighs 456 N walk on the overhanging part of the plank before it just be..

  Find the weight w2 and the angle alpha

A 9.05 kg projectile is fired vertically upward. Air drag decreases the mechanical energy of the projectile-Earth system by 77.5 kJ throughout the projectile's ascent. How much higher would the projectile have gone were air drag negligible.

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