subject
Physics, 19.03.2021 20:40 dustinchang49

a rectangular solid block of dimensions 20cm by 15cm by 10cm has a cylindrical hole bored through its centre. The mass of the block is now 14.9kg and the material of the block has a density of 5g cm^-3.What is the cross sectional area of the hole in cm^2?ā€‹

ansver
Answers: 3

Another question on Physics

question
Physics, 21.06.2019 21:50
Adiver in midair has an angular velocity of 6.0 rad/s and a moment of inertia of 1.2 kgĀ·m2. he then pulls is arms and legs into a tuck position and his angular velocity increases to 12 rad/s. the net external torque acting on the diver is zero. what is his moment of inertia in the tuck position?
Answers: 1
question
Physics, 22.06.2019 05:10
Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.
Answers: 3
question
Physics, 22.06.2019 10:30
Awoman holds a book by placing it between her hands such that she presses at right angles to the front and back covers. the book has a mass of m = 1.8 kg and the coefficient of static friction between her hand and the book is Ī¼s = 0.67. no attempt 50% part (a) what is the weight of the book, fgb in newtons?
Answers: 3
question
Physics, 22.06.2019 11:50
Two resistors r1 and r2 may be connected either in series or parallel across an ideal battery with emf Īµ. we desire the rate of energy dissipation of the parallel combination to be 8.75 times that of the series combination. if r1 = 105 Ļ‰, what are the (a) smaller and (b) larger of the two values of r2 that result in that dissipation rate?
Answers: 2
You know the right answer?
a rectangular solid block of dimensions 20cm by 15cm by 10cm has a cylindrical hole bored through it...
Questions
question
Mathematics, 04.02.2021 05:40
question
Mathematics, 04.02.2021 05:40
question
Mathematics, 04.02.2021 05:40
question
Mathematics, 04.02.2021 05:40
Questions on the website: 13722362