A projectile is fired from the edge of a cliff 500 m high with an initial velocity of 85 m/s at an angle of 20 below the horizontal. (a) Draw a diagram of the trajectory. (b) Calculate the time of the projectile in the air. (c) At what distance from the base of the cliff does the projectile strike the ground? (d) What are the horizontal and vertical components of the velocity just before the projectile hits?

A bullet is fired at an angle of 60° to the horizontal with an inital velocity of 200m/s . A) how long is the bullet in the air? B) what is the muximum highed by the bullet?

A basketball player scores by shooting a basketball at an Initlal velocity of 9.85 m/s and an angle of 42.0° above horlzontal. The ball leaves her hand at a helght of 1.80 m above the floor, The basket Is 3.05m above the floor. Ignore alr resistance. Find the air time of the ball from the release to hitting the basket. (hint: should the basketball be golng up or down when it enters the hoop?)

A projectile is lauched horizontally from the top edge of a 20 m tall building with a Vox of 25 m/s. What is its intial velocity along the x axis?

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A cannon sits at the edge of a cliff at a height H above the ground and is fired at an angle 0 relative to the horizontal. A target sits a horizontal distance D away. The target can be hit by adjusting the muzzle speed, vo, to the appropriate value. H Otanget (a) In terms of 0, D, and the unknown speed vo, find the time tr when the cannon ball will hit the target. (b) Using part (a), find the velocity vo needed to hit the target in terms of H, D, 0. (c) At what horizontal distance x does the cannon ball reach its maximum height?

A cannon is placed at the bottom of a cliff61.5 m high. If the cannon is fired straight upward, the cannonballjust reaches the top of the cliff. (a) What is the initial speed of thecannonball? (b) Suppose a second cannon is placed at the top ofthe cliff. This cannon is fired horizontally, giving its cannonballsthe same initial speed found in part (a). Show that the range of thiscannon is the same as the maximum range of the cannon at thebase of the cliff. (Assume the ground at the base of the cliff is level,though the result is valid even if the ground is not level.)

An airplane startsd at rest and accelerates at 8.3 m/s^2 at an angle of 31degrees south of west.  After 9s, how far in the wesdterly direcetion has the plane traveled? After 9s, how far in the southernly direction has the pla e traveled?

A ball is launched from ground level at an angle of 30 degrees above the horizontal. If the ball hitsthe ground 100 meters away, what is the initial speed of the ball?