A 6-lb shell moving with a velocity ?? v0k explodes at point D into three fragments which

Question:

A 6-lb shell moving with a velocity ?? v0k explodes at point D into three fragments which hit the vertical wall at the points indicated. Fragments A, B, and C hit the wall 0.010 s, 0.018 s, and 0.012 s, respectively, after the explosion. Determine

(a) The weights of the three fragments,

(b) The initial speed v0.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Vector Mechanics for Engineers Statics and Dynamics

ISBN: 978-0073212227

8th Edition

Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell

See More Books

Question Posted: Oct 19, 2010 03:30 AM

See More Questions

A 6-kg shell moving with a velocity v0 = (12 m/s) i - (9 m/s)j - (360 m/s)k explodes at Point D into three fragments A, B, and C of mass, respectively, 3 kg, 2 kg, and 1 kg. Knowing that the...
A 6-kg shell moving with a velocity v0 = (12 m/s)i - (9 m/s)j - (360 m/s)k explodes at Point D into three fragments A, B, and C of mass, respectively, 2 kg, 1 kg, and 3 kg. Knowing that the fragments...
An 18-lb shell moving with a velocity v0 = (60 ft/s)i??(45 ft/s) j ?? (1800 ft/s)k explodes at point D into three fragments A, B, and C weighing, respectively, 8 lb, 6 lb, and 4 lb. Knowing that the...
Suppose that the fixed cost for a product is $400 and the break-even quantity is 80. Find the marginal profit (the slope of the linear profit function).
Refer to the International Journal of Statistical Distributions (Vol. 1, 2015) study of a variable life insurance policy, Exercise 4.97 (p. 238). Recall that a ratio (x) of the rates of return on the...
A plane wall is constructed of a material having a thermal conductivity that varies as the square of the temperature according to the relation k = k0(1 + T2). Derive an expression for the heat...
You are calling on a very large company that has the potential to become your largest customer. How could your sales manager help you be successful in negotiations with this potential customer?
Gator Beach Marts, a chain of convenience grocery stores in the Fort Lauderdale area, has store hours that fluctuate from month to month as the tourist trade in the community varies. The utility...
A uniform beam of length 10 m and mass 100 kg is supported by pylons on either end. A 200 kg box is centered at 5 m from the left end of the beam. What is the downward force on the left most pylon?
Carl Lipke is the marketing VP for a propane gas distributor. He would like to have a forecast of sales on a quarterly basis, and he has asked you to prepare a time-series decomposition model. The...
In a scattering experiment, an alpha particle A is projected with the velocity u0 = ?(600 m/s)i + (750 m/s)j ? (800m/s)k into a stream of oxygen nuclei with a common velocity v0 = (600 m/s)j . After...
Derive the relation HO = r mv + HG between the angular moment a HO and HG defined in Eqs (14.7) and (14.24), respectively. The vectors r and v define, respectively, the position and velocity of the...
Business trends and economics applications are often analyzed with the runs test. The accompanying list shows, in order by row, the net gain or loss in the S&P/TSX Composite Index (formerly the TSE...
Once a market has reached its equilibrium price, it will never move away from it. Do you agree or disagree? Briefly explain.
Define consumer surplus. Draw a graph to show the area that represents consumer surplus.
Why is equilibrium in a competitive market considered to be efficient?
Define a Pigovian tax. Briefly list and explain the problems related to the implementation of the tax.
Comment on the assumption common to most economic models that all individuals are rational and make optimal decisions in response to economic incentives.
How can a Wiener process be simulated?
Select the correct answer for each of the following questions. 1. On December 31, 20X3, Saxe Corporation was merged into Poe Corporation. In the business combination, Poe issued 200,000 shares of its...
A geneticist has discovered a yeast cell, which encodes a DNA polymerase that may add nucleotides in both the 5 to 3 and 3 to 5 directions. Which of the following structures would this cell NOT...
What are the most efficient dimensions for a riveted-steel rectangular channel to carry 4.8 m3/s of water at a slope of 1:900?
What are the most efficient dimensions for a half-hexagon cast-iron channel to carry 15000 gal/min of water at a slope of 0.16?
What are the most efficient dimensions for an asphalt trapezoidal channel to carry 3 m3/s of water at a slope of 0.0008?
How does lean production facilitate effective communication and collaboration across departments?
2. The idiophones in gamelan ensembles occur in pairs. The longest bar on a particular gamelan pair has a fundamental frequency (pitch) of 100Hz. Call this gamelan A. (a) (3 points) What are two...
The authors of The Creation of Inequality make the point that the Ice Age had barely thawed when some of our ancestors began "surrendering bits of equality." And that process unfolds across 15,000...

A 6-lb shell moving with a velocity ?? v0k explodes at point D into three fragments which

Question:

Step by Step Answer:

Position vectors ft Unit vectors where 75i18k 195 AB18i 9j 18k 27 Along FCD nc 135j18k 225 Assume ...View the full answer

Vector Mechanics for Engineers Statics and Dynamics

Students also viewed these Mechanical Engineering questions