A volleyball is being toss vertically upward from a point 70 ft above the ground with an initial velocity of 74 ft/sec. 1) Find how fast is the ball moving when it is 133 ft above the ground. 2)Find the time it would take the ball to each the maximum height. 3) Find the velocity of the ball before it hits the ground.
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- A girl throws a rock horizontally, with a velocity of 8.00m/s, from a cliff. The stone takes 3.10s to strike the ground at the bottom of the cliff. a) What is the height of the cliff? b)What is the velocityof the stone just before it hits the ground at the bottom of the cliff? Give the x, and ycomponents of the velocity. c) How far does the rock travels horizontally before striking the ground?A ball is thrown vertically upward from the top of a building with an initial velocity of 20 m/s at an initial height of 50 m above the ground. The ball just misses the roof on its way down. a) Determine the time needed for the ball to reach the ground.b) Determine the velocity and position of the ball at t=5 secA person standing 28 m from the base of a vertical cliff throws a ball with a speed of 38 m/s aimed directly at a point 6 m above the base of the cliff. a) How long does it take the ball to reach the cliff? tend = Help Enter b) Neglecting air resistance, find the height on the cliff (measured from the release point) at which the ball hits. H = Help Enter c) How fast is the ball moving when it reaches the cliff? Vend = m/s Help Enter d) At what time would the ball reach its maximum vertical height? Note: Depending on the random numbers generated in this problem, the ball may hit the cliff before it actually reaches this height. yma = Help Enter e) At what horizontal distance from the person would the ball reach its maximum height? Note: Depending on the random numbers generated in this problem, the ball may hit the cliff before it actually reaches this height. Xymas m Help Enter
- A bomb is dropped from a balloon which is 392 m above the ground and ascending at 9.8 m/s. Draw the figure and find: a) the maximum height reached b) the position and velocity of the bomb 5s after being dropped c) the time taken to hit the groundA ball is thrown upwards (in the direction of the y-axis) with a velocity of 98 m / s from the roof of a100 m high building. Find: a) The maximum height that the ball reaches above ground level.b) The time it took to reach the maximum height.c) The speed with which the ball hits the ground.d) The time elapsed since the ball is thrown until it hits the ground.A toy rocket moving vertically upward passes by a 1.8 m -high window whose sill is 7.0 m above the ground. The rocket takes 0.16 s to travel the 1.8 m height of the window. a) What was the launch speed of the rocket? Assume the propellant is burned very quickly at blastoff. b) How high will the rocket go?
- A projectile is fired from point A at the edge of a cliff, whose initial velocity components are v0x = 60.0m / s and v0y = 175m / s. The projectile rises and then falls into the sea at point P. The projectile flight time is 40.0s and it does not experience appreciable air resistance in flight. a) Make a diagram of the problem, b) Determine how far it falls, c) what is the height of the cliff? and d) at what angle was it shot?A daredevil is attempting to jump his motorcycle over a line of buses parked end to end by driving up a 32o ramp at a speed of 40.0 m/s . How many buses can he clear if the top of the takeoff ramp is at the same height as the bus tops and the buses are each 35.0 m long? ~ 10 ~ 7 ~ 4 ~ 12Bob hits a tennis ball upward with a velocity of ?⃗0 = 30 ?̂ ? ? from a height of 1 meter above the ground. a) Find the velocity of the ball after 2.5 seconds (Answer: 5.5?̂ ? ? ) b) Find the position of the ball at this time (Answer: 45.4?̂ ? ) c) Plot acceleration, velocity, and position vs time.
- A baseball is thrown upward from the starting point (x and y zero) at an upward velocity component of 20 m/s and a horizontal velocity component of 25 m/s. a) Find the displacement and velocity of the ball after 3s. b) How much time is required to reach the highest point? c) How high above the starting point is it at the highest point? a) How time is taken for the ball to return to it’s original height? b) How far has it travelled horizontally when it reaches it’s original height?A ball is kicked from the ground with an initial velocity of 22 m/s at an angle of 35 degrees. The ball lands back on the ground 47 m away. a) What was the total time the ball was in the air? b) How long does it take the ball to reach the maximum height in the air? c) What was the ball's maximum height in the air?A tennis ball is initially near the ground, and it's thrown vertically upward with an initial velocity of 17.5 m/s. a) When it reaches a height of 10 meters (not its maximum height), what is its velocity? b) How long does it take to reach the height of 10 meters? c) What is its maximum height?