What frequency will be heard by a person
Sam, a train engineer, blows a whistle that has a frequency of 4.0 102 Hz as the train approaches a station. If the speed of the train is 35 m/s, what frequency will be heard by a person at the station?
Expected delivery within 24 Hours
Sally travels by car from one city to another. She drives for 24.0 min at 63.0 km/h, 52.0 min at 42.0 km/h, and 18.0 min at 81.0 km/h, and she spends 5.0 min eating lunch and buying gas. Determine the average speed for the trip.
A 30-06 caliber hunting rifle fires a bullet of mass 0.0146 kg with a velocity of 314 m/s to the right. The rifle has a mass of 2.49 kg. What is the recoil speed of the rifle as the bullet leaves the rifle?
Explain receptor tyrosine kinase pathway
When a group of racially prejudiced high school students discussed racial issues, their attitudes became even more prejudiced. This best illustrates?
Factory workers are paid a certain amount for each unit they make and their total pay is the number of units produced times the pay per unit. Add a class "FactoryEmployee" to the Employee class hierarchy.
Study the concepts presented in the pull-down menu located in the upper left corner of Interactive Microscopy
A toy of mass 0.155 kg is undergoing SHM on the end of a horizontal spring with force constant 305 N/m. When the object is a distance 1.20×10-2 m from its equilibrium position, it is observed to have a speed of 0.295 m/s.
Is sponsoring a concert or any thing as such considered an advertising promotional activity?
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