Question

17. Read the following and answer any four questions from 17 (i) to (v)
75 kg missile is dropped downwards from an airplane, and has a speed 60m/s at an altitude of 850 m above
the ground. Determine.
(i) The kinetic energy possessed by missile at 850 m.
(a) 1350 J
(b) 135000
(c) 153000
(d) 1530 J
(in)The Potential energy possessed by missile at 850m.
(a) 63750J
(b)637050J
(c)63500J
(d)637500J
(iii)The total mechanical energy possessed by missile.
(a) 77250 J
(b) 7725000 J
(c) 772500)
(d) 775200 J
(iv) The velocity with which it strikes the ground.
(v) The energy possessed by an object due to motion is
(a) Chemical energy.
6) Kinetic energy
(c) potential energy
(d) power
ny four questions from 18 (i) to (v)

Answer 1

Answer:

1)637050J

2)63750J

3)775200J

5)potential energy

Answer 2

1350

Ok
Ok
Hope it help