10. The Doppler Effect is when energy is coming towards or going away from an object. When the blue color shows how the Andromeda Galaxy is coming towards us; what have astronomers
explained about the universe today?
(8 Points)
expanding a little at a time
slowly shrinking
slowly entering a dark period
expanding faster and faster everyday

Abanked road comer of radius 146 m is to be constructed. if the comer is designed for vehicles moving with a speed of 20.0 m/s, what should the banking angle be, in units of degrees?

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

James is trying to prove newton's 2nd law of motion. he tries to move four different objects with different masses, shapes, and sizes from point a to point b. the objects are a toy car, a car, a refrigerator, and a kitchen table. after some experimentation, he finds that force is dependent on the mass of the object, rather than it's size or shape. the object that takes the most force to move is the