A=(v-u)/t
We know a=2.5, v=40, u=10, so:
2.5=(40-10)/t
2.5t=40-10
2.5t=30
Divide both sides by 2.5
t=12 It takes 12 seconds for the car to reach 40m/s
To find out how far it went, you do:
d=v+1/2 at^2
d=10+1/2(2.5)(12)^2
d=10+1/2(2.5)(144)
d=10+(1.25)(72)
d=10+90
d=100m
Hope this helps :)
Answer:
-12
Step-by-step explanation:
(-4) - 8
Keep Flip Change
Keep
(-4)
Flip
- to +
Change to opposite
8 to -8
Result
-4 + -8 = -12
Answer:
its 5325.76190476
or 5325.8 if you want to round it
Step-by-step explanation:
Answer:0
Step-by-step explanation:
2 + 5 = 7 - 7 = 0 + 3 = 3 + 9 = 12 - 12 = 0
Answer:
20x25=500 10x25+10×25=500