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Q1. If two 145.9 kg objects are suspended at lower ends of cables 50.00 m long and the cables are attached to the ceiling 1.000 m apart, what is the deflection of each object? (Use 1.000 m for the separation distance in the expression for the gravitational force and assume that the deflection is extremely small compared to 1 m.)
Q2. A duck has a mass of 2.6 kg. As the duck paddles, a force of 0.11 N acts on it in a direction due east. In addition, the current of the water exerts the force of 0.12 N in a direction of 44° south of east. When these forces begin to act, the velocity of the duck is 0.16 m/s in a direction due east. Find out the magnitude and direction (relative to due east) of the displacement that the duck undergoes in 3.00s while the forces are acting.
The Microsoft Case Microsoft Monopoly--Why was Microsoft investigated for antitrust behaviour.
Effect of errors in journalizing and posting on trial balance and bookkeeper for Shirley Temple's dance studio made the following errors in journalizing and posting
A firm in a perfectly competitive market invents a new method of production which lowers its marginal costs. Illustrate what happens to its output.
A golfer takes two putts to get his ball into the hole once he is on green. The first putt displaces the ball into the ball 6.7 m east, and the second 2.16 m south. What displacement would have been needed to get the ball into the hole on first putt.
Make a tabular analysis of the transactions using these column headings: Cash, Accounts Receivable, Supplies, Office Equipment, Accounts Payable, Common Stock, and Retained Earnings. Include margin explanations for any changes in Retained Earnings..
Ace Jack had no idea whether the $100,000 he pays for training for his used car salespeople works.
Prepare the adjusting entries at March 31, assuming that adjusting entries are made quarterly and Additional accounts are: Depreciation Expense; Insurance expense; Interest Payable; and Supplies expense.
Explain how each of the subsequent events affects the equilibrium price also quantity of pizza- the price of mozzarella cheese rises.
A car is driven 125.0 km west and then 65.0 km southwest. What is the displacement of the car from the point of origin (magnitude and direction).
Use empirical Rule to evaluate proportion of costs within 2 standards deviations of mean. Write down these limits.
A friend of yours is loudly singing a single note at 411 Hz while racing toward you at 25.5 m/s on a day when the speed of sound is 341 m/s.
A 16 cm x 16 cm square loop of wire lies in the xy-plane with its bottom edge on x-axis. The resistance of the loop is 0.490 ohms. A magnetic field parallel to the z-axis is given by B= 0.830 y^2 t, where B is in tesla, y in meters, and t in seconds...
Assume that the rod is held at rest horizontally and then released. (Throughout the remainder of this problem, your answer may include the symbol, moment of inertia of the assembly, whether or not you have answered the first part correctly.)
A stone is projected at a cliff of height h with an initial speed of 45.0 m/s directed at an angle θ0 = 66.0° above the horizontal. The stone strikes at A, 5.37 s after launching. Find out (a) height h of the cliff, (b) speed of the stone just before..
An electron is shot upward directly perpendicular to the lower plate of a parallel plate capacitor. Its initial velocity is 3.0 x 104 m/s. What must be the potential of the upper plate if the electron stops just before reaching it? The lower plate..
A 40-kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the trampoline, kinetic energy decreases to 240J from 470J. How high does she rise during this interval? Avoid air resistance.
A rifle with a barrel length of 56 fires an 8 bullet with a horizontal speed of 350. The bullet strikes a block of wood and penetrates to a depth of 14. (a) What resistive force (assumed to be constant) does the wood exert on the bullet? (b) How long..
Sisyphus was a character in Greek mythology that was doomed in Hades to push a boulder to the top of a steep mountain. When he reached the top, the boulder would slide back down the mountain and he would have to start all over again.
Net average force using the concepts of Newton’s second law.
What is mechanical energy
A sealed tank containing seawater to a height of 11.1 also contains air above the water at a gauge pressure of 2.95. Water flows out from the bottom through a small hole.
Water flows at 5.0;{rm L}/{rm s} through a horizontal pipe that narrows smoothly from 10 cm diameter to 5.0 cm diameter. A pressure gauge in the narrow section reads 50 kPa. What does the other pressure gauge read.
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