Ian walks 2 km to his best friends house, then walks 0.5 km to the library. He then makes 2.5 km walk home. The entire walk took

Question

3 years ago

11

Ian walks 2 km to his best friends house, then walks 0.5 km to the library. He then makes 2.5 km walk home. The entire walk took

him 3 hours. What is his average speed in km/h?
SHOW YOUR WORK PLEASE

2. A truck speeds up from a velocity of 6 m/s to 14 m/s in 4 seconds. What is the trucks acceleration? SHOW YOUR WORK

3. A car starts from rest and reaches 15 m/s in 2.5 seconds. What is the acceleration of he car? SHOW YOUR WORK

Physics

1 answer:

allochka39001 [22] · Answer 1 · 2021-12-22T09:32:01+03:00

allochka39001 [22]3 years ago

5 0

1. 2+0.5+2.5= 3. 2km/hr average

2. 14-6=4seconds. 8m/s in 4s = 2m/s acceleration

3. 15m/s divided by 2.5 = 6m/s acceleration