How much force is necessary to stretch a spring 0.5 m when the spring constant is 190 N/m?

Ann walks 80 meters on a straight line 33 ∘ north of east starting at point 1. draw ann's path. represent ann's walk with a vector of length 80 meters. draw the vector starting at point 1. the length given in the display is in meters.

Tall pacific coast redwood trees can reach heights of about 100 m. if air drag is negligibly small, how fast is a sequola cone moving when it reaches the ground f it dropped from the top of a 100 m tree?

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest