- 3. Define the following wordstion short - Compression foree - Tension foree - Torsion foree - Sending foree - Shearing foree
- 2. Match the correct source of light with its definition __ incandescent 1. Light made as it passes through gas __ electric discharge 2 Phosphors absorb energy and release it over time __ fluorescence 3. Light made as a result of a high temperature
- 12. Complete the following calculations, showing ALL UNITS AND ALL FIVE STEPS. a. A light bulb passes through a current of 0.7 A when the potential difference across the bulb is 60 V. What is the resistance of the bulb in ohms?
- Fill in the Blank 16 points Two football players collide head-on. The defensive player has a mass of 100 kg the offensive player has a mass of 90k (defense) (defense) (offense) __ What is the speed of the offensive player? square v What is the impulse of the offensive player? square v What is the impulse of the defensive player? square Looking at the last two answers, which of Newton's Laws does this best prove? square v
- Current Attempt in Progress Two sinusoidal waves of the same frequency travel in the same direction along a string. If y_(m1)=3.0cm,y_(m2)=6.9cm,varphi _(1)=0, and varphi _(2)= pi /4 rad, what is the amplitude of the resultant wave?