Question

an object moves along a straight line with an acceleration of 2m/2 if tis initial speed is 10m/s find its what will be its speed after 5s later

Answer 1

Answer: So here we have to find the final velocity I.e. v. We can do this by using the motion formula v= u + at .

Again it is given a= 2 m per second square, u = 10 m per second and time taken, t = 5sec.

Step-by-step explanation: Now we just have to put the values in the formula - v = u+ at.

So, it will look like this- v=10 + 2×5, which will give v= 20 m per second. So it's speed after 5 sec will be 20 m per second.... Hope it helps

Answer 2

a=2m/s×s
t=5sec
u=10m/sec
find final speed
By 1st equation of motion
v=u+at
v= 10+2×5
v=10+10
v=20

hence,
answer= 20m/sec