A car starts from rest and reaches a speed of 25m/s in 4 seconds. What is the acceleration? Also, Calculate the distance the object traveled,

Can y’all help me with this one

Iwill give 30 points to whoever answers ! what is the formula for actual mechanical advantage and ideal mechanical advantage?

30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve

How is an electron dot structure used to represent a covalent bond?