A boy throws a rock horizontally with a velocity of 8.0 m/s from a bridge. It falls 19.0 m to the water below. What is the magnitude of the velocity of the rock just before it hits the water?
Find answers to questions asked by students like you.
Q: An airplane flying horizontally with a speed of 570 km/h at a height of 890 m drops a crate of…
A: Given Airplane speed = 570 km/h Height of airplane from the ground = 890 m We have to calculate…
Q: A helicopter moves horizontally with a velocity of 100 km/h at a height of 100 m when a package is…
A: Initial horizontal velocity, ux = 100 km/h Initial vertical velocity, uy = 0 m/s Height, h= 100 m…
Q: An egg is thrown horizontally off the roof of a tower, which is 60 meters high, with an initial…
A: Given : Initial position (yo) = 60 meters Initial velocity (vo) = 6.5 m/s Final position (y) = 0 m…
Q: Standing at the edge of a 70 meter high cliff, Failee throws a rock with a horizontal velocity of 21…
A: Given : yo = 70 m y = 0 (because finally the rock strikes water) vox = 21 m/s voy = 0 (because…
Q: An inflatable life raft is released from an air plane at 500 m altitude, in level flight, with an…
A: Click to see the answer
Q: An airplane flying horizontally with a speed of 500 km/h at a height of 800 m drops a crate of…
A: Given Data : The velocity of the plane is given as v=500 Kmh The height of the plane is given as H =…
Q: A projectile, thrown horizontally, travels 100 m to hit back the ground. If its maximum height is S0…
A: Given data: The horizontal range of the projectile, R=100 m. The height from which the projectile…
Q: What is the magnitude of the velocity of the object just before it hits the ground?
A: Initial velocity is v = 20 m/s Angle of projection is 25o
Q: While standing on the roof of a building, a boy throws a tennis ball with an initial speed of 15 m /…
A: Click to see the answer
Q: A brick is thrown upward from the top of a building at an angle of 25° to the horizontal and with an…
A: Given data: Angle with the horizontal is, θ=25∘. Initial speed of brick is, u=12 m/s. Time of flight…
Q: From the top of a cliff, a person throws a stone straight downward. The initial speed of the stone…
A: Click to see the answer
Q: A young man throws a ball horizontally from the roof of a 40 m high building. If the initial…
A: Solution as
Q: A long jumper leaves the ground at an angle of 30° to the horizontal and at a speed of 6 m/s. How…
A: "Since, you have asked multiple questions, we can answer only first question according to our…
Q: A hockey puck slides off the edge of a table with an initial velocity of 20.0 m/s. The height of the…
A: Given that the initial velocity of the puck is 20.0m/s, and the height of the table above the ground…
Q: The turd is launched at a speed of 47 m/s at an angle of 39 degrees above the horizontal. At exactly…
A: Given Initial speed of turd is v0= 47 m/s Acceleration due to gravity is g= 9.80 m/s2 Angle of…
Q: A bowling ball rolls across a horizontal roof with a speed of 857 m/s If the roof is 125m above the…
A: Given: The initial velocity of the ball is 8.57 m/s in horizontal direction. The height of the roof…
Q: A horizontal projectile is shot with an initial velocity of 8 m/s from a height of 7.4 m above the…
A: Click to see the answer
Q: The turd is launched at a speed of 63 m/s at an angle of 18 degrees above the horizontal. At exactly…
A: speed = 63 m/s; angle = 18 degree;
Q: A brick is thrown upward from the top of a building at an angle of 30° to the horizontal and with an…
A: Given Angle of projection θ = 30o Initial speed u = 12 m/s Time of flight t = 2.6 s
Q: A bullet is shot horizontally from shoulder height 1.6m with an initial speed 220m/s. How much time…
A: Click to see the answer
Q: A car drives horizontally off a 56 m tall cliff with an initial speed of 26 m/s. How far from the…
A: Given that:- Velocity of car=26m/s Height of cliff=56m
Q: If you drop an object from a height of 0.9 m, it will hit the ground in 0.44 s. If you throw a…
A: The vertical and horizontal motion of an object are completely independent of each other. It is…
Q: A projectile is shot from the edge of a cliff 140m above ground with an initial speed of 80 m/s at…
A: Click to see the answer
Q: If a rock is thrown with an initial velocity of 5.4 m/s in the y-direction and 8.2 m/s in the…
A: Click to see the answer
Q: An object is thrown off of a cliff 320 m above level ground with an initial horizontal velocity of…
A: Click to see the answer
Q: A horizontal projectile is shot with an initial velocity of 17.9 m/s from a height of 2.59 m above…
A: Click to see the answer
Q: A brick is thrown upward from the top of a building at an angle of 15° to the horizontal and with an…
A: Given, a brick is thrown upward from the top of a building at an angle of θ=15° to the horizontal…
Q: projectile is launched in the horizontal direction. It travels 2.050m horizontally while it falls…
A: Click to see the answer
Q: A golf ball leaves the club 25 m/s at an angle of 25° above the horizontal. How long does it take to…
A: Click to see the answer
Q: A cannon ball is launched horizontally with a velocity of 38 m/s from the top of a 78-meter high…
A: Given data The initial velocity of the ball in the horizontal direction is ux = 38 m/s. The height…
Q: A projectile is launched from ground level at an angle θ to the top of a cliff which is 195 m away…
A: Click to see the answer
Q: rock is thrown horizontally from the top of a cliff 90m high , with a horizontal speed of 30 m/s .…
A: Click to see the answer
Q: An action hero is trying to use a circus cannon to get to the roof on a building 63.8 meters away.…
A: Click to see the answer
Q: A cat jumps off a table which is 1.5 m high. If the initial velocity of the cat is 10 m/s, at an…
A: Click to see the answer
Q: A model rocket flies horizontally off the edge of the cliff at a velocity of 50 m/s. If the canyon…
A: Click to see the answer
Q: A golfer on a fairway is 70 m away from the green, which sits below the level of the fairway by 20…
A: Given: The distance of golfer from the green is d=70 m. The distance below the level of the fairway…
Q: A ball is thrown across a flat field with an initial velocity of 36 m/s. At what angle should it be…
A: Initial velocity, u=36 m/s Distance traveled (Range), d=107 m
Q: A pitcher throws an overhand fastball from an approximate height of 2.65 m and at an angle of 2.5…
A: Given:Inital height, yi = 2.65 mAngle of throw, θ = 2.5o below horizontal (as shown in figure…
Q: A projectile is launched at an angle of 30 with the horizontal and a speed of 30 m/s. How much time…
A: To determine : Time spent in air
Q: A projectile is launched in such a way that its maximum height is one-half its total range. At what…
A: Expression for maximum height of the projectile - hmax=vi2sin2θ2g Expression for total range of the…
Q: An object is thrown horizontally with an initial velocity of 10 m/s from the roof of a building 60 m…
A: Click to see the answer
Q: Napoleon’s cannon, having a muzzle velocity of 154 m/s, is fired at a 0 degree angle off a cliff.…
A: Click to see the answer
Q: A projectile is launched on the Earth with a certain initial velocity and moves without air…
A: Say initial velocity is u. Acceleration due to gravity on Earth is g Angle of projection is θ Range…
Q: A man hits a ball 2.4 m above the ground. If the ball leaves his racket with an initial velocity of…
A: Given: Initial height of the ball is 2.4 m. Initial velocity of the ball is 52 ms. Angle of…
Q: A cannon shell is fired on a flat surface and it is found that the shell is in the air for 2.78 s…
A: Formula of range of projectile is as follows; R=uxT…
Q: A golf ball was hit horizontally with a horizontal velocity of 40.0m/s from a height of 120m. How…
A: Answer 197.949m
Q: An archer standing on a 150 slope shoots an arrow 20 0 above the horizontal, as shown in the figure.…
A: Click to see the answer
Q: A ball is fired (álbi) from the ground with an initial velocity of 20 m/s that makes an angle of 30°…
A: Given Initial velocity v=20m/s Angle θ=30
Q: An object is shot from the ground at 75m/s at an angle of 45⁰ above the horizontal. How high does…
A: These questions are different so I solved 1 at part only 2.1 Vo=75 m/s Vy = V0Sinθ Vy =…
Q: An arrow is shot straight up into the air at an initial speed of 18 m/s. After how much time is the…
A: Click to see the answer