Sher
This page lists questions and answers that were posted by visitors named Sher.
Questions
The following questions were asked by visitors named Sher.
                        Vector Algebra let A vector=6ihat+3jhat, B vector= -3ihat-6jhat D vector=A vector-B vector what is D vector? Thank You!
                    
                    14 years ago
                
                        One sample of n=20 scores has a mean of M=50. A second sample of n=5 scores has a mean of Mean=10. If the two samples are combined, what is the mean
                    
                    14 years ago
                
                        A car horn is pitched at 520 Hz. The car travels along a straight road at a speed of 25 m/s. towards an observer walking at 2 m/. The speed of sound is 334 m/s. Calculate the frequency heard by the observer when: (a) the car is moving towards the observer
                    
                    12 years ago
                Answers
The following answers were posted by visitors named Sher.