Quiz 5 (Econ1, Econ2, Statics, Dynamics, Fluid)

If you borrow money from your friend with interest rate of 12%, find the present worth of Php 20,000, which is due at the end of nine months.

• Php 180,348.60

• Php 108,348.60

• Php 18,348.60

• Php 28,568.60

If P5,000.00 shall accumulate for 10 years at 8% compounded quarterly. Find the compounded interest at the end of 10 years.

• Php 6,005.30

• Php 6,000.00

• Php 6,040.20

• Php 6,010.20

Al Bundy says he paid $25,000 down on a new house and after 1 year will pay $525 per month for 30 years. If interest is 7.8% compounded monthly, what was the selling price of the house?

• $ 97,900

• $ 92,900

• $ 72,900

• $ 79,900

A factory equipment has an initial cost of P 200,000. Its salvage value after ten years is P20,000. As a percentage of the initial cost, what is the straight line depreciation rate of the equipment?

• 5%

• 6%

• 9%

• 8%

An asset is purchased for P9,000. Its estimated life is 10 years, after which it will be sold for P1,000. Find the book value during the third year if sum-of-the-year’s digit depreciation is used.

• Php 6,100

• Php 5,072

• Php 4,500

• Php 4,800

A company which manufactures electric motor has a production capacity of 200 motors a month. The variable costs are P150.00 per motor. The average selling price of the motors is P270.00. Fixed costs of the company amount to P21,000.00 per month which include taxes. Find the no. of motors that must be sold each month to breakeven.

• 135

• 160

• 175

• 200

A stone is thrown vertically upward at the rate of 20 m/s. Find the highest point-velocity reached by the stone.

• 20.4 m/s

• 15.1 m/s

• 6.12 m/s

• 0 m/s

A projectile is fired from a cannon with an initial velocity of 1000 m/s and at an angle 30° from the horizontal. What is the highest point of the projectile from the point of impact, if the point of impact is 1500 m below the point of release?

• 12,742 m

• 14,242 m

• 11,242 m

• 10,742 m

A 500-kg block is resting on a 30 deg inclined plane with µ=0.300. Find the required force necessary to start the block up the plane.

• 531 kg

• 380 kg

• 431 kg

• 123 kg

What is the velocity of sound in 150F water if its density is 61.2 lbm/ft3 and the Bulk modulus of elasticity is 382,000 psi?

• 5,379.79 ft/s

• 3,215.07 ft/s

• 4,985.06 ft/s

• 4,352.18 ft/s