Question

please give answer...​

Answer 1

Answer:

4.24m/sec-²

Explanation:

v1 = i-2j

v2= -5i+4j

Time=2sec

Therefore, acceleration= (v2-v1)/t

= (-5i+4j-(i-2j))/2

= (-5i+4j-i+2j)/2

= (-6i+6j)/2

= -3i+3j+0k

Magnitude=√(-3)²+(3)³+(0)²

=√18

=3√2

=4.24 m/sec-²