If a projectile is thrown from the top of a 20.0 m building at a speed of 25.0 m/sec, at which angle will the projectile go the farthest before hitting the ground? (At 35 degrees with respect to the horizontal or at an angle of 57 degrees above the horizontal?)
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- A ball is thrown straight upward and returns to the thrower's hand after 3.30 s in the air. A second ball is thrown at an angle of 44.0° with the horizontal. At what speed must the second ball be thrown so that it reaches the same height as the one thrown vertically? I can't get the second part, can you help me?A cannon fires a shell at 200 m/s 36 degrees above the horizontal. How high did the shell reach in the sky? How high was the shell ¾ the way to where it hits (assuming it was fired and hit at the same level)?A striker can give the ball an initial speed of 30m/s. Within what two elevation angles must he kick the ball to score a goal from a point 50m in front of the goalposts whose horizontal bar is 2.44mabove the ground
- 1. When fired at this angle, how long will the cannonball remain in the air?A projectile is launched at an upward angle of 30° to the horizontal with a speed of 30m/s How does the horizontal component of its velocity 1.0 s after launch compare with its horizontal component of velocity 2.0 s after launch, ignoring air resistance? ExplainA projectile is fired at the top of a building at an angle of 20° below the horizontal. If the muzzle velocity of the projectile is 8 m/s, how high is the building if the projectile reaches the ground after 3sec. DRAW FBD ANS: 52.35m
- 6 A projectile is shot at ground level at an angle of 36° with the horizontal. It has an initial velocity of 109 m/s. Determine its velocity (m/s) 4 seconds after firing. ROUND OFF TO TWO DECIMAL PLACES.3 A projectile is launched with a velocity of 115 ft/s at an angle of 52° on level ground. Determine the range, R (feet) that the projectile can reach. Hint: Range is the maximum horizontal distance a projectile can travel. Round off to two decimal places.10. A horizontally launched projectile lands 79.29m below the launch point and a horizontal distance of 127.04m from the launch point. How long did it take to hit the ground? 6.348s 2.366s 3.982s 5.405s None of these is correct.
- 7.) A ball is projected horizontally at an angle of 30.0 degrees (based on horizontal) from the edge of a cliff, with an initial speed of 62.0 m/s. Height of cliff is 135 m. How far (m) from the base of the cliff will the ball land on the level ground1. If a cannonball were launched with a speed of 34m/s at a 60° angle from the height of 0m, what would be the cannonball's range? 2. If a cannonball were launched horizontally (launch angle of 0) with a speed of 34m/s from a height of 9m, how long would the cannonball remain in the air?A projectile is lost into the air within initial speed of 35M/S at a launch angle of 30° above the horizontal. Determine the amount of time in seconds needed for the projectile to hit the ground have to being launched.