View the step-by-step solution to:

Question

week 5 8.pngphysics questions

week 5 8.png

17. -46 points SerCP11 9.5.P.019.
My Notes . Ask Your Teacher
A small ferryboat is 4.70 m wide and 6.70 m long. When a loaded truck pulls onto it, the boat sinks an additional 3.50 cm into the river. What is the weight of the truck?
KN
18.
-46 points SerCP11 9.10.P.068.
My Notes + Ask Your Teacher
A 26.0 m long steel cable with a cross-sectional area of 2.05 x 10 m is used to suspend a 3.80 x 10 kg container. By how much will the cable stretch (in m) once bearing the load? (Young's modulus for steel is Y = 20 x 1010 pa.)
HINT
19.
-16 points SerCP11 9.XP.001.
My Notes @ Ask Your Teacher
A soap bubble hovers motionlessly in the air. If the soap bubble's mass, including the air inside it, is 1.63 x 10-4 kg determine the magnitude of the upward force acting on it.
N
Show Ask Your Teacher
20.
-46 points SerCP11 9.XP.003.
My Notes Ask Your Teacher
A 75.0-kg man lies on his back on a bed of nails, with 1,209 of the nails in contact with his body. The end of each nail has area 1.01 x 10-6 m2. What average pressure is exerted by each nail on the man's body?
Pa

Top Answer

Weight of truck=Total weight of water displaced Total weight... View the full answer

Sign up to view the full answer

Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors.

  • -

    Study Documents

    Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access.

    Browse Documents
  • -

    Question & Answers

    Get one-on-one homework help from our expert tutors—available online 24/7. Ask your own questions or browse existing Q&A threads. Satisfaction guaranteed!

    Ask a Question