A certain aircraft has a liftoff speed of 119 km/h. (a) What minimum constant acceleration does the aircraft require if it is to be airborne after a takeoff run of 264 m? (b) How long does it take the aircraft to become airborne?
1. A certain aircraft has a liftoff speed of 119 km/h.
(a) What minimum constant acceleration does the aircraft require if it is to be airborne after a takeoff run of 264 m?
(b) How long does it take the aircraft to become airborne?
7. A projectile is launched with an initial speed of 57.0 m/s at an angle of 33.0° above the horizontal. The projectile lands on a hillside 3.95 s later. Neglect air friction. (Assume that the +x-axis is to the right and the +y-axis is up along the page.)
(a) What is the projectile's velocity at the highest point of its trajectory?
- Magnitude ___________ m/s
- Direction ___________ degrees counterclockwise from the +x-axis
(b) What is the straight-line distance from where the projectile was launched to where it hits its target?
8. A cruise ship sails due south at 5.00 m/s while a coast guard patrol boat heads 29.0° north of west at 5.60 m/s. What are the x-component and y-component of the velocity of the cruise ship relative to the patrol boat? (Assume that the +x-axis is east and the +y-axis is north. Enter your answers in m/s.)
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