Chapter Review Questions and Problems 1. Vector A as magnitude of Sunits and makes an angle of 45° with the positive Vector B also has the same magnitude of Sunits and directed along the negative a Find The magnitude and direction of A+ B b. The magnitude and direction of A - B 1​

Which of the following would not be taken into consideration when describing the quality of a sound

After a car's engine has been running for a while, if you stand near the car's engine you can often feel heat coming from the engine as a result of a. radiation b. convection c. conduction

How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit