the acceleration?
O a 7,5 m/s
O b. 0.5 m/s
O c. – 0,5 m/s
O d. -7.5 m/s
A dog runs with an initial speed of 7,5 m/s on a waxed floor, It slides to a stop in 15 seconds. What is
Jawaban:
C. -0,5 m/s
Penjelasan:
Diketahui :
v_0 = 7,5 m/s
t = 15 s
v = 0 m/s
Ditanyakan :
a … ?
Jawab :
v = v_0 + at
0 = 7,5 + a15
a15 = -7,5
a = -7,5/15
a = -0,5