How large a force is necessary to stretch a 2.0-mm diameter copper wire (Y = 11 × 10^10 N/m2) by 1.0%?
a. 2.1 kN
b. 3.5 kN
c. 6.9 kN
d. 11 kN
e. 5.4 kN
b
Physics & Space Science
You might also like to view...
A 4.00-L container holds half a mole of an ideal gas at a pressure of 18.5 atm. What is the gas temperature? (R = 0.0821 L • atm/mol • K)
a. 1800 K c. 901 K b. 1190 K d. 450 K
Physics & Space Science
What is the equivalent resistance between points A and B in the figure when R = 18 ??
A. 48 ? B. 64 ? C. 80 ? D. 96 ? E. 110 ?
Physics & Space Science
A particle starts from rest at xi = 0 and moves for 10 s with an acceleration of +2.0 cm/s2 . For the next 20 s, the acceleration of the particle is -1.0 cm/s2 . What is the position of the particle at the end of this motion?
a. zero b. +3.0 m c. -1.0 m d. +2.0 m e. -3.0 m
Physics & Space Science
Which of the following best describes nuclear forces?
Physics & Space Science