Image formed by a plane mirror is always____and____

1.	Image formed by a plane mirror is always____and____
Answer» Real and inverted Real and erect Virtual and erect Virtual and inverted Solution :`F=600-2xx10^(5)t,F`BECOMES zero as soon as the bullet LEAVES he barrel. `0=600-2xx10^(5)t rArr 600=2xx10^(5)t` `t=3xx10^(-3)s rArr " Impulse"= int_(0)^(t)Fdt` `=int_(0)^(t)(600-2xx10^(5)t)dt=[600t-2xx10^(5)(t^(2))/(2)]_(2)^(3xx10^(-3))` `=600xx3xx10^(-3)-10^(5)xx9xx10^(-6)=0.9Ns`

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