Mang Jo @engg_math

Registered Civil Engineer | SO2 | University Instructor @ Mariano Marcos State University engineering-math.org Republic of the Philippines Joined June 2016

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Mang Jo @engg_math

6 months ago

Memorandum of Understanding (MOU) signing between the Philippine Institute of Civil Engineers USA Chapter and PICE MMSU student chapter at the Center of Flexible Learning, MMSU, City of Batac, Ilocos Norte

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Mang Jo @engg_math

7 months ago

SCUAA-1 is over. Great jon everyone!

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Mang Jo @engg_math

9 months ago

My Gcash summary for 2024

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Mang Jo @engg_math

9 months ago

The 1st of Christmas party for this year was with my former students who now are passers of the CELE, and the great community of Civil Engineers in Ilocos Norte. I do not have regrets joining this org, and I would be honored to once again serve as a member of the BODs next term.

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Mang Jo @engg_math

9 months ago

Good morning, Philippines!

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Mang Jo @engg_math

9 months ago

Hello X. Pls welcome me back.

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Mang Jo @engg_math

2 years ago

What is the deceleration of the rocket sled if it comes to rest in 1.1 s from a speed of 1000 km/h? (Such deceleration caused one test subject to black out and have temporary blindness.) engineering-math.org/2023/05/08/col…

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Mang Jo @engg_math

2 years ago

Probability & Statistics for Engineers & Scientists Ninth Edition by Walpole Exercise 1.2 According to the journal Chemical Engineering, an important property of a ﬁber is its water absorbency. A random sample of 20 pieces of cotton ﬁber was taken engineering-math.org/2023/04/28/pro…

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Mang Jo @engg_math

2 years ago

College Physics by Openstax Chapter 4 Problem 7 (a) If the rocket sled shown in Figure 4.31 starts with only one rocket burning, what is the magnitude of its acceleration? Assume that the mass of the system is 2100 kg, the thrust T is 2.4×10^4N engineering-math.org/2023/04/28/col…

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Mang Jo @engg_math

2 years ago

Probability & Statistics for Engineers & Scientists Ninth Edition by Walpole Exercise 1.1 The following measurements were recorded for the drying time, in hours, of a certain brand of latex paint. engineering-math.org/2023/04/27/pro…

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Mang Jo @engg_math

2 years ago

College Physics by Openstax Chapter 4 Problem 6 The same rocket sled drawn in Figure 4.30 is decelerated at a rate of 196 m/s2. What force is necessary to produce this deceleration? Assume that the rockets are off. The mass of the system is 2100 kg. engineering-math.org/2023/04/26/col…

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Mang Jo @engg_math

2 years ago

College Physics by Openstax Chapter 4 Problem 5 In Figure 4.7, the net external force on the 24-kg mower is stated to be 51 N. If the force of friction opposing the motion is 24 N, what force F (in newtons) is the person exerting on the mower? engineering-math.org/2023/04/26/col…

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Mang Jo @engg_math

2 years ago

College Physics by Openstax Chapter 4 Problem 4 Since astronauts in orbit are apparently weightless, a clever method of measuring their masses is needed to monitor their mass gains or losses to adjust diets. One way to do this is to exert a known force o engineering-math.org/2023/04/25/col…

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Mang Jo @engg_math

2 years ago

College Physics by Openstax Chapter 4 Problem 3 A cleaner pushes a 4.50-kg laundry cart in such a way that the net external force on it is 60.0 N. Calculate its acceleration. engineering-math.org/2023/04/25/col…

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Mang Jo @engg_math

2 years ago

College Physics by Openstax Chapter 4 Problem 2 If the sprinter from the previous problem accelerates at that rate for 20 m, and then maintains that velocity for the remainder of the 100-m dash, what will be his time for the race? engineering-math.org/2023/04/25/col…

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Mang Jo @engg_math

4 years ago

Clear Lake has a surface area of 708,000 m2 (70.8 ha.). For a given month, the lake has an inflow of 1.5 m3/s and an outflow of 1.25 m3/s. A +1.0-m storage change or increase in lake level was recorded. If a precipitation gage recorded a total of 24 cm fo engineering-math.org/2022/01/31/hyd…

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Mang Jo @engg_math

4 years ago

A lake with a surface area of 1050 acres was monitored over a period of time. During a one-month period, the inflow was 33 cfs, the outflow was 27 cfs, and a 1.5-in. seepage loss was measured. During the same month, the total precipitation was 4.5 in. Eva engineering-math.org/2022/01/31/hyd…