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- A rock is thrown off a 42 ft. high building at 0.00381 m/s at an angle of 300 below the horizontal. How far from the building did the rock land?A ball was moving with a horizontal velocity of 10 m/s to the right and a vertical velocity of 16 m/s upward. What is the magnitude and direction of the resultant velocity?A cannonball is fired to the west at an angle of 60 degrees above the horizontal, with a velocity of 20 meters per second. What is the x-component of this velocity?
- A cannon tilted upward at θ = 35 ∘ fires a cannonball with a speed of 98 m/s . At that instant, what is the component of the cannonball’s velocity parallel to the ground?A rock is thrown off a 42 ft. high building at 0.00381 m/s at an angle of 300 below the horizontal. How long is the rock in the air?For a projectile fired at an angle of 48 degrees and having an initial velocity of 65 m/s, what is the horizontal
- An object is thrown with a projectile motion and it is observed from the horizontal component that the velocity at its maximum altitude is Vx = 15m/s. The projectile travels a horizontal distance x = 3.00 x 102. Determine the angle of the throw.The pilot of an aircraft flies due north relative to the ground in a wind blowing 80 km/h toward the east. If his speed relative to the air is 410 km/h, what is the magnitude of the velocity of his airplane relative to the ground? State the answer to the nearest tenth of the km/h.A projectile is fired horizontally to the west at a velocity of 21 m/s.
- An airplane has a velocity relative to the air of 186 m/s in a westerly direction. If the wind has a speed relative to the ground of 63 m/s directed to the north, what is the speed of the airplane relative to the ground?A boat moves north at a speed of 2.7 m/s across a river that flows west at a rate of 1.2 m/s. What is the boats speed relative to the riverbank?A rocket was launched at a 35-degree angle above the horizontal at an initial velocity of +55 m/s. What is the Vy and Vx of this rocket?