Question

simplify(ii) 7½ 8½ answer me​

Answer 1

Let the velocity = v

We know that,

1 Kinetic energy = mv² 2

1 60 x 30 x v² = 2

60 = 15 v²

v² = 60 15

Answer 2

Answer:

$\huge\color{pink}\boxed{\colorbox{Black}{❥ Answer \: }}$

$7 \frac{1}{2} . \: 8 \frac{1}{2} = (7 \times 8) \frac{1}{2} \\ \\ [ \: {a}^{m } . \: {b}^{m} \: = \: ( {ab)}^{m} ]$

$= 56 \frac{1}{2}$

Hope this will help u.