A UFO is spotted $920 \mathrm{~km}$ from an airfield, heading towards the field at $430 \mathrm{~km} / \mathrm{h}$. A jet takes off immediately to intercept it.
(a) If the jet flies at $750 \mathrm{~km} / \mathrm{h}$, how long after the initial sighting does the jet reach the object?
(b) How fast must the jet fly to intercept the object in $0.60 \mathrm{~h}$ ?

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The Answer of A UFO is spotted $920 \mathrm{~km}$ from an airfield, heading towards the field at $430 \mathrm{~km} / \mathrm{h}$. A jet takes off immediately to intercept it.
(a) If the jet flies at $750 \mathrm{~km} / \mathrm{h}$, how long after the initial sighting does the jet reach the object?
(b) How fast must the jet fly to intercept the object in $0.60 \mathrm{~h}$ ?

A UFO Is Spotted 920 km920 \mathrm{~km}920 km From an Airfield, Heading Towards the Field At

A UFO Is Spotted $920 \mathrm{~km}$ From an Airfield, Heading Towards the Field At