A cyclist leaves home and rides due east for a distance of 45 km. She returns home on the same bike path. If the entire trip takes 4 hrs, what is her average speed? What is her displacement?

Which of the following choices correctly identifies the process created by moving a magnet through a conducting loop? a. conduction b. magnetic field generation c. trasformation d. electromagnetic induction

The first elemen on the periodic table is

Air pressure decreases as a. velocity increases. b. elevation increases. c. acceleration decreases. d. gravity increas

If a hockey puck is made to slide along a straight line in a completely frictionless surface which statement about the motion of the hockey puck is true

Why do we believe that most of the mass of the milky way is in the form of dark matter?

A starship passes Earth at 80% of the speed of light and sends a drone ship forward at half the speed of light rela - tive to itself. Show that the drone travels at 93% of the speed of light relative to Earth.

Rubies are used in electronics

Two kids are on a merry-go-round that is turning at a constant rate. ariel is near the outer edge, and bob is closer to the center. ariel has answer (smaller, the same, or greater angular speed?

Visit this website and locate the element mercury, whose chemical symbol is Hg. Click on the square to read about the history, properties, and uses of mercury. Name three uses for mercury.

Ten seconds after starting from rest, a car is moving at 40 m/s. what is the car's acceleration in meters per second per second?