Plzz help asap An object starts from REST and ends up reaching 3500 J of Kinetic Energy. How much work was done?​

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?

Which of the following is a characteristic shared by both electron and light microscopes? a. they both employ the use of objective lenses. b. both microscopes require an internal camera to visualize the specimen. c. both microscopes have a resolving power of 0.01 nm. d. they both utilize white light to magnify the specimen.