Question

Range of projectile is 100km g= 10 the intial velocity of projectile will be

Answer 1

Answer:

Explanation:

if maximum range is given

so formulae to clculate range is R= u²sin2Ф÷g

so if R is maximum then

Ф= 45°

so R°= u²sin90÷g

R=u²÷g

100=u²÷g

100=u²÷10

u²=1000

u=10√10