Question

6) A 20 kg object is acted upon by a forces P (-401+30DN. What is the magnitude of its acceleration in m/s? a) 2.5 b) 4 c) 2 d) 10 e) 5 speed of 100 m's in 20 s. What is the 7) An airplane acceleration in m/s' of the airplane? starts accelerating uniformly from rest to a a)5.0 b) 4.0 c) 3.0 d) 3.5 e) 2.5 8) Which of the following graphs represents motion with a constant acceleration? 9) The position of a particle moving along the x-axis is given by x -5e+6 where x is in meter and t is 7 s? in second. What is the particle's average acceleration in m/s between t 3 s and t a) 1 b)2 c) 4 d) 6 e) 10 10) A stone is thrown vertically up from the edge of a roof 10 m above the ground. It strikes the ground after 5 s. What is the stone's initial speed (in m's)? a) 19 b) 20 c) 21 d) 22 田田 田田11 y 田田 e) 23

please ask the professors to answer the questions quickly because this assignment must be delivered within one and a half hours

Answer 1

6-A, 7-A, 8-E, 9-E, 10-E Solutions are given below↓

dv= constant db olt