Question

solve the 10th n 11th one to be the brainliest one

Answer 1

11) initial velocity=o

final velocity=144km/h=40m/s

time taken=20s

By the first equation of motion,

v=u+at

40=0+a*20

=> a=40/20

=> a=2m/s^2

By the second equation of motion,

S=ut+i/2at^2

=> 0*20+1/2*2*20*20

=> 0+20*20

=> 0+400

=> 400

Therefore,the distance covered by the body is 400m.