The pitch of an ambulance siren changes as it approaches you. The pitch also changes as the siren moves away from you. Which is the scientific term for this occurrence?

Questions A bowling ball moves 18 meters every 2 seconds down the lane at a bowling alley. What is the speed of the bowling ball? A 18 meters per second B 9 meters per second C 2 meters per second D 36 meters per second

Cardiovascuar exercise involves

Which of the following objects is in equilibrium : an object that moves at constant acceleration, an object that moves at constant velocity

Alan walked 6.8 kilometers to his friends house. what is the distance in meters?

A football is kicked at ground level with the speed of 32 m/s at an angle of 40 degrees to the horizontal. how much later does it hit the ground?

An object with a mass of 10.9 kg experiences a force of 18.53 N. What is the acceleration of the object? A. 2.2 m/s2 B. 1.7 m/s2 C. 16.83 m/s2 D. 1.3 m/s2

A proton, starting from rest, accelerates through a potential difference of 1.0 kV and then moves into a magnetic field of 0.040 T at a right angle to the field. What is the radius of the proton's resulting orbit

Which of the following terms are needed to completely describe speed? Check all that apply. A. Units B. Direction C. Number D. Mass

Drivers are able to see objects ahead of them because light travels through windshields.

How are trade winds affected by the coriolis effect