Question
A 140 g baseball is moving horizontally to the right at 35 m/s when it is...
- A 140 g baseball is moving horizontally to the right at 35 m/s when it is hit by the bat. The ball flies off to the left at 55 m/s, at an angle of 250above the horizontal. If the baseball remains in contact with the wall for 0.1 sec, what is the force exerted on the wall?
7) A 140 g baseball is moving horizontally to the right at 35 m/s when it is hit by the bat. The ball flies off to the left at 55 m/s, at an angle of 25° above the horizontal. If the baseball remains in contact with the wall for 0.1 sec, what is the force exerted on the wall?
Answers
ex initial 1 0250 25 there relocity of ball = 35 m/s sy- 55 m/s = final & 55 m/s bat 0 => angle with the horizontal surface V = 35m/s Vg x = -55 cos 25' - 55 X 0-91 m)8 - 49.85 m/s $) ༡༢༡ ufy = 55 sings = 23.24 ms x = -55 w125 change of momentum xane's is - here muain m=0.140 kg Px = 0.140 [-49.85-357 Px = -11.9 N.S change of momentum along y anis is Py = [upy a vig) Mwigao = 0.140 X 23.24 Net change of momenting pad P² + Pyn = Py = 3.25 Nos along Par muxs P= P²t Page = 11:9) ² + ( 3.25)2 rega P= 12.34 N.S on the wall Be in force exerted t=o.l see F- Р 12.34 F- 123.4N/(ans)
Similar Solved Questions
1 answers
Adjustment for Accrued Expense We-Sell Realty Co. pays weekly salaries of $7,250 on Friday for a...
Adjustment for Accrued Expense We-Sell Realty Co. pays weekly salaries of $7,250 on Friday for a five-day workweek ending on that day. Journalize the necessary adjusting entry assuming that the accounting period ends on Wednesday. Round your answer to the nearest whole dollar....
1 answers
21. Everspring, Inc. has the following data for 2018. its first year of operations (this means...
21. Everspring, Inc. has the following data for 2018. its first year of operations (this means all accounts had $0 beginning balances). Any over/under-applied overhead is closed out proportionately to the applicable accounts. Actual overhead $15,000 Cost of goods manufactured (unadjusted) $30,000 Co...
1 answers
Outline the principle of tuberculin testing, chest X rays, and acid fast staining?
Outline the principle of tuberculin testing, chest X rays, and acid fast staining?...
1 answers
Given the coordinate matrix of x relative to a (nonstandard) basis B for R", find the...
Given the coordinate matrix of x relative to a (nonstandard) basis B for R", find the coordinate matrix of x relative to Se standard basis. B {(1, 0, 1), (1, 1, 0), (0, 1, 1)). 2 [X]s = [x]s = !1...
1 answers
PCSO another conflicte B BA $42. Negotiation and conflict Map A quick thinking and flexible attitude...
PCSO another conflicte B BA $42. Negotiation and conflict Map A quick thinking and flexible attitude to quickly recast the arguments one's favour the dynamics un folding throughout the negatration is the hallmark of champion negotiator. On the contrary visually accufter productive and in Statema...
1 answers
Is the answer 0.551 N? 7. Three point-like charges are placed as shown in the figure,...
Is the answer 0.551 N? 7. Three point-like charges are placed as shown in the figure, r r2 56.0 cm. Find the magnitude of the electric force exerted on the charge q3. Let qi-1.50 C, q23.80 HC, q3-+4.60 HC. q1 43 r1...
1 answers
In a solid, what is the state of the particles?
In a solid, what is the state of the particles?...
1 answers
4. An object is placed 45.0 cm left of a converging OBJECT f = 9.00 cm...
4. An object is placed 45.0 cm left of a converging OBJECT f = 9.00 cm 12 = 120 cm lens i = +9.00 cm), which is 24.0 cm left of a second converging lens 12 = +12.0 cm). (a) Calculate the position of the image formed by the first lens and sketch an arrow labeled "1st IMAGE" on the diagram to ...
1 answers
I don't understand why there is ei equal all 0 but 1 will appear in the...
I don't understand why there is ei equal all 0 but 1 will appear in the middle , please give me some example with this matrix to explain it Given that A is an n×n matrix with the property AX = 0 for all X " 1 A=(a,,a,, 0 0 Let a.) Let e, =| | | ← ith element Comment...
1 answers
Question 4 (2 points) Among hydrocarbons, how many structural isomers are possible for compounds with a...
Question 4 (2 points) Among hydrocarbons, how many structural isomers are possible for compounds with a molecular formula C5H12? Draw them all. Two (2) Three (3) Four (4) More than five (5)...
1 answers
An unfavorable direct labor rate variance is recorded as a debit. True False
An unfavorable direct labor rate variance is recorded as a debit. True False...
1 answers
Two small identical conducting spheres are placed with their centers 0.57 m apart. One is given...
Two small identical conducting spheres are placed with their centers 0.57 m apart. One is given a charge of 12 ✕ 10−9 C, the other a charge of −17 ✕ 10−9 C. (a) Find the electrostatic force exerted on one sphere by the other. magnitude N direction (b) The spheres are ...
1 answers
1) Explain what will happen in the strain vs. time graph when a polymer is heated...
1) Explain what will happen in the strain vs. time graph when a polymer is heated while under constant loading....
1 answers
Problem 5-52 High-Low Method, Scattergraph (LO 5-4) Cubicle Solutions sells productivity software such as word processors,...
Problem 5-52 High-Low Method, Scattergraph (LO 5-4) Cubicle Solutions sells productivity software such as word processors, spreadsheets, and personal information managers. Cubicle prides itself on customer support and maintains a large call center where customers can call in with technical questions...