- B. Two charges of 2.0times 10^-6C and -1.0times 10^-6C are placed at a separation of 10 cm. Determine where a third charge should be placed on the line connecting the two charges so that it experiences no net force due to these two charges.A
- Questions 1.All of the following are designed to make roads safer, except A. Reckless Drivers B. Speed limits C. Traffic lights D. Seatbelts 2.When a car reacts to traffic lights turning from yellow to red,what does "reaction time"represent? A. The time taken for the driver to respond B. The time taken for the car to speed up C. The time taken for the car to stop D. The time taken for the traffic lights to change 3.Which factor will cause a driver to react and stop their car more slowly? A. Regular exercise B. Having passengers in the back seat C. Listening to music D. Consuming alcohol 1. Why is it important to maintain a safe distance behind another automobile on the highway? A. To save fuel consumption B. To impress other drivers with skillful driving C. To minimize the risk of accidents and injuries D. To increase traffic flow
- 3. Three point charges are placed at the following points on the x-axis: +2.0mu Calx=0 at x=40.0 cm, and -5.0mu C at x=120.0 cm. Determine the force on the -3.0mu C charge. Iiil [ans: 0.55 N toward the negative x-direction or 0.55 N [left]]
- Unit D 2.0 Energy Transfer A Question 5 (1 point) Retake question When the bonds between water molecules are broken at a constant temperature, most likely energy has been __ and the molecules have __ their speed. added, increased added, no change in removed, increased removed, no change in
- Exercice TCO3 : Le volume initial d'une mole de gaz parfait V_(1)=5L. On comprime ce gaz d'une manière adiabatique de P_(1)=1 bar à P_(2)=10bar. On donne pour un gaz, gamma =1,4 1*/ Calculer les valeurs de V_(2) et T_(2) 2"/ Déterminer le travail Wreçu par le gaz au cours de cette compression.