The slope of the distance-time graph is equal to the a. speed b. acceleration c. displacement d. motion

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.

The least penetrating form of radiation is