A player kicked a soccer ball into the air with a velocity of 8.0 m/s at an angle of 30° to the horizontal. What is the total time the ball spent in the air? (g = 9.8 mls)
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- se the position equation s = −16t2 + v0t + s0 where s represents the height of an object (in feet), v0 represents the initial velocity of the object (in feet per second), s0 represents the initial height of the object (in feet), and t represents the time (in seconds). A projectile is fired straight upward from ground level (s0 = 0) with an initial velocity of 128 feet per second. (b) When will the height be less than 128 feet? (Only consider the time from launch to landing. Enter your answer using interval notation.)A projectile is launched from a height of 5 m with an initial speed of 32 m/s at an angle of 48⁰ to the horizontal. If vih1 is its horizontal speed 1 s after launch, and vih2 is its horizontal speed 2 s after launch, what is the value of (vih2 - vih1)²?A soccer player kicks a ball with an initial velocity of 10 meters per second at an angle of 30 degrees above the horizontal. The magnitude of the horizontal component of the ball’s velocity is use 9.81m/s squared for acceleration round off into 4 decimal places Select one: a. 10 m/s b. 9.8 m/s c. 5.0 m/s d. 8.7 m/s
- Dominador, who is standing on the edge of an 80-m tall cliff facing the sea, kicks a ball horizontally at a speed of 13.01 m/s. How far from the base of the cliff will the ball hit the sea water? Let be the initial vertical position of the ball, with positive position in the upward direction. The vertical displacement of the ball from the edge of the cliff to the seawater is: meters. The time it takes for the ball to reach the seawater is: t = seconds. The horizontal distance traveled by the ball is: meters.A projectile is launched at an angle of 60° to the horizontal from 6.5ft above the ground at an initial speed of 200ft/sec. Assume the x-axis is horizontal, the positive y-axis is vertical (opposite g), the ground is horizontal, and only the gravitational force acts on the object. a. The velocity vector is v(t) = The position vector is r(t) = b.) The graph of trajectory c.) Determine the time of flight and range of the object The projectile remains in the air for? seconds ( Round to two decimals places as needed) The projectile travels? feet. ( Round to two decimals places as needed) d.) Determine the maximum height of the object. The maximum height of the object is ? feet. ( Round to two decimals places as needed)For general projectile motion, which of the following best describes the horizontal component of a projectile's velocity? Assume air resistance is negligible. 1) The horizontal component of a projectile's velocity continually decreases. 2) The horizontal component of a projectile's velocity continually increases. 3) The horizontal component of a projectile's velocity remains a nonzero constant. 4) The horizontal component of a projectile's velocity initially decreases and then increases. 5) The horizontal component of a projectile's velocity is zero.
- An object is launched horizontally at a height of 30 m with an initial velocity of 20 m/s. The x-component of the initial velocity is: answer choices 20 m/s 0 m/s 15 m/s not enough informationA ball is thrown upward at an angle of 28° to the horizontal with initial velocity ? = 62.0 m/s. Find: a.) The x and y components of ?. b.) The highest point of the ball’s path. c.) The horizontal distance that the ball travel. d.) The magnitude and direction of the ball velocity when t = 3.5 s.A hot air balloon is ascending with a velocity V = 2.00 m/s. On the instant that the hot air balloon reaches an altitude y = 12.00 m a passenger throws an object horizontally at a velocity V0x = 20.0 m/s. Determine the horizontal distance traveled by the object from where it was thrown to the moment it hit the ground.
- 15. A rock on the ground was kicked with initial velocity of 30 m/s at an angle of 80° above the horizontal. At the highest point, the rock hits a bird. How much time has passed for the rock to hit the bird? Group of answer choices No answer 13.05 s 3.01 s 8.05 s 12.27A projectile is launched from the ground with an initial velocity of 60.0 m/s at an angle of 30.0º above the horizontal axis. Determine the horizontal distance that the projectile falls. A. 160 m B. 152 m C. 318 m D 184 mWhat factor(s) affect how far a projectile will land? I. angle of projection II. initial velocity III. acceleration due to gravity IV. time of flight Select one: a. I only b. I, II and III c. I and II d. I, II, III and IV