A charge Q1 = 24C is at rest and is located 3 cm away from another fixed charge Q2 = 6 u C. The first charge is then released. Calculate the kinetic energy of charge Q1 when it is 7 cm away
from charge q2

Apiano tuner uses a tuner to create a tone of 5.00 x 10² hz. when a key on the piano is struck he hears 5 beats per second. what is a possible frequency of vibration for the piano string? 2500 hz 1300 hz 605 hz 495 hz

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd question 6 options: 3000 joules 30 joules 320 joules 3200 joules

Diamond will scratch quartz. true or false