A heavy mass is suspended on a 10-m long steel cable. As a result the cable stre

Question

A heavy mass is suspended on a 10-m long steel cable. As a result the cable stretches 2.0 cm. If the same mass were to be suspended on two parallel 10-m long sections of the same cable, how much would the cable stretch? a. 2.0 cm b. 10 cm c. 4.0 cm d. 0.5 cm e. 0.25 cm. A pool is 90% filled with water and the pressure at the bottom of the pool is measured to be P. A student goes swimming in the pool. What is the pressure at the bottom of the pool when the student is swimming? a. a pressure P d. This is not possible to answer with the information given Consider water flowing in a pipe. In a particular section, the pipe is narrowed to half the diameter. What happens to the speed and the pressure of the water in the narrow section compared to the original pipe section? a. Both the speed and the pressure increases in the narrow section. b. Both the speed and the pressure decreases in the narrow section. c. The speed increases and the pressure decreases in the narrow section. d. The speed decreases and the pressure increases in the narrow section.

Explanation / Answer

1.) now the force is distributed in two strings so the cable will streach by 2/2 = 1cm

so OPTiON B is correct

2.)the same pressure P

Option B is correct

3.)speed inceases and the pressure decreases in the narrow section

Option C is correct

according to equn of continuity

A1V1 = A2V2

area decreases speed increases and pressure decreases

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.