Awire with mass 50 g is stretched so that it’s ends are tied down at points 100 cm apart. the wire vibrates in its fundamental mode with frequency 60 hz and an amplitude of 0.5 cm at the antinodes. what is the tension in the wire?

2500 n
720 n
120 n
1250 n

Two identical 82 mg dust particles very far apart (pee 0) are moving directly toward each other at a speed of 3698 m/s. the charge on each is-719 ? c. determine how close they will get to each other. let k = 9x109 n-m2/c2 & ignore gravity.

Which of the following harmful chemicals are found in tobacco smoke? a. carbon monoxide b. carbon dioxide c. nicotine b. carbon dioxide d. both a and c

Complete the statement about memory improvement. ( )involves organizing and breaking down information into easier groups to expand capacity. rehearsal is the verbal repetition of information. these techniques are especially important for the improvement of ( ) memory.