Astudent wants to know how many students send text messages during lunch at his school. the best way for him to gather this information would be to a. text his friends during lunch and ask them if they have been texting. b. pass out a survey to every student in the school with questions about text messaging. c. try to watch every table in the cafeteria and make a note when he sees someone's cell phone. d. randomly pick tables in the cafeteria and ask how many people have sent text messages during lunch.

You and a friend (alex) are at a a tree-top adventure park .. . part of the course requires you to climb up a rope. you both climb the same rope in the same amount of time. however, the tension in the rope is greater when alex climbs. who did the most work? alex did - more tension means more force - more force means more work was done you did - less tension means less force - less force means more work was done to find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? when more work was done, the couch was moved less. when more work was done, the couch was moved further. when more work was done, the couch wasn't moved at all. when more work was done, the couch was moved the same distance.

Avalue that describes how heavy an object is and is related to the force of gravity is

Jasmine is diving off a 3-meter springboard. her height in meters above the water when she is x meters horizontally from the end of the board is approximated by the equation h=-x^2+3x+3. what is the maximum height jasmine will reach on her dive?