Andrea, a 61.0 kg sprinter, starts a race with an acceleration of 3.300 m/s2. If she accelerates at that rate for 13.00 m and then maintains that velocity for the remainder of a 100.00 m dash, what will her time (in s) be for the race?

Aperson walking 1 mile everyday for exercise, leaving her front porch at 9: 00 am and returning to her front porch at 9: 25 am. what is the total displacement of her daily walk? a) 1 mileb) 0c) 25 minutes d) none of the above

2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.

Need asap ‼️ 20 pts which gravitational force field diagram is drawn correctly? (answers in pictures below)