A student drops a pebble from the edge of a vertical cliff. The pebble hits the ground 4 s after it was dropped. What is the height of the cliff?   C. 60 m   B. 40 m   E. No answer   A. 20 m   D. 80 m

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Q: A tennis ball rolled off the edge of a table that has a height of 1.00 m. 1.00 m 0.72 m The ball…

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Q: A ball is kicked with an initial velocity of 15m/s in the horizontal direction 11m/s in the vertical…

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Q: A student drops a pebble from the edge of a vertical cliff. The pebble hits the ground 4 s after it…

A: Given : Time (t) = 4 s  Gravity (g) = 10 m/s2.........(constant value)

Q: 6. A ball is thrown horizontally from the top of a building 110 m high. The ball strikes the ground…

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Q: Which of the following is correct? A. It is NOT possible for a body to be at rest and yet have an…

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Q: Julie throws a stoen horizontally from the top of a 25.0 m cliff. The stone lands 40.0 m from the…

A: 1. Given Data: The height of the cliff is: h0=25 m The distance covered from the edge of the cliff…

Q: 3. A jet plane has a takeoff speed of Vtakeoff = 60 m/s and can move along the runway at an average…

A: Given: vtakeoff=60 m/s acceleration= 2 m/s2 Length of runway=1.5 km a) 3 Kinetic Equations: Equation…

Q: 4. An object is thrown horizontally off a cliff. a. Describe its horizontal velocity as its falls to…

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Q: Which has the greater speed? A. An ostrich which runs 100 meters in 4.0 seconds B. A roadrunner…

A: Given Distance of ostrich d1=100m time t1=4 sec Distance d2=120m time t2=5 sec

Q: A cannonball is launched from ground level with an initial speed of v0 straight up in the air What…

A: Given,  Initial speed of the cannon ball, vo The speed of the cannon ball when it reaches height h…

Q: A cannon ball is fired horizontally from a height of 20 m and strikes the ground at an angle of 45°.…

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Q: An object moves in a circular path at a constant speed. Compare the direction of the object's…

A: Given An object moves in a circular path at a constant speed. We have to choose the correct option…

Q: A boat crosses a river with a speed of 3 m/s. If the current in the river is 4 m/s, what is the…

A: Given:- 3 The  boat crosses a river with a speed  u = 3 m/s  The speed of the river is v = 4 m/s…

Q: An object is dropped from a stationary balloon and hits the ground 12 s later. If the acceleration…

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Q: 3. A jet plane has a takeoff speed of Vtakeoff = 60 m/s and can move along the runway at an average…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: A giant boulder is traveling down a hill at a rate of 20 m/s. You are located 1 km away from the…

A: Given : Speed (v) = 20 m/s Distance (d) = 1 km = 1000 m

Q: You are riding a donkey that gets scared by an earthquake. If the donkey was originally traveling at…

A: Given: The initial velocity of the donkey is 12.5 m/s. The final velocity of the donkey is 13.7 m/s.…

Q: A student throws a 2.5kg ball horizontally off the top of a building with an initial speed of 4.25…

A: mass of first ball = m1 = 2.5 kg initial horizontal velocity = V0x = 4.25 m/s mass of second ball =…

Q: A diver running 3.0 m/s dives out horizontally from the vertical cliff and 4.0 s later reaches the…

A: GivenVelocity of diver in horizontal direction ,vx=3.0 m/sTime taken ,t=4.0 s

Q: A 4 kg bowling ball is dropped from a building, and accelerates down toward the earth at 9.8 m/s^2.…

A: Given data:  A 4 kg bowling ball dropped from the building Acceleration = 9.8 m/s2, down towards the…

Q: An ant zig-zags back and forth on a picnic table as shown. 0 10 20 30 40 50 x (cm) The ant's…

A: From the figureThe initial position of the ant is And then it travels towards left and its position…

Q: A cannonball is fired from the ground at an angle of 600 from the horizontal at a speed of 82 m/s.…

A: Given:  Angle of projection, θ = 60o velocity of projection, u = 82 m/s

Q: 2. A ball is launched at ground level and sent toward a wall 30 m away with a speed of 35 m/s at 40°…

A: Given data: Distance of the wall h=30m Initial speed u= 35 m/s Angle θ=40°

Q: A river flows due south with a speed of 1.5 m/s. You steer a motorboat across the river; your…

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Q: A person is standing on top of a building. While standing at the edge of the building the person…

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Q: At the end of year 3, a rope is tied to the very top of the tree to steady it. This rope is staked…

A: At the end of three years, the rope is tied to the very top of the tree to steady it. This rope is…

Q: A ball is thrown from the top of 20.0 m tall building at an angle of 45° above the horizontal. The…

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Q: . A ballast bag is dropped from a balloon that is 400 m above the ground and rising at 13 m/s. For…

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Q: 6. A cannon ball is launched with a speed of 120 m/s at an angle of 30°. a. How fast is the…

A: Given-  Velocity of cannon ball(u)=120ms  Launch angle(θ)=300For velocity in projectile motion,Along…

Q: Liam throws a water balloon horizontally at 8.2 m/s out of a window 10 m from the ground. How far…

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Q: 85. A plane travels N30°W at 450 mph and encounters a wind blowing due west at 30 mph. (See Example…

A: A vector quantity is the one that has magnitude and direction. displacement, velocity, and…

Q: 5. An object is launched 15 m/s horizontally. A. Fill in the variables for the object. B. Solve for…

A: Tis is a horizontal projectile projected from 12 m high with a speed of 15 m/s Only acceleration due…

Q: An object is thrown horizontally with an initial velocity of 10 m/s from the roof of a building 60 m…

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Q: Suppose a plane accelerates from rest for 30 s, achieving a takeoff speed of 80 m/s after traveling…

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Q: A volcano ejects a chunk of rock straight up at a velocity of vy = 30 m/s. Ignoring air resistance,…

A: Given data The velocity of the volcano Vy1=30 m/s Step 1 The motion of the rock from volcano and…

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A: The objective of this question is to find the minimum speed of the ball at the top of the motion so…

Q: 7. A feather is dropped on the moon from a height of 1.40 meters. The acceleration of gravity on the…

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Q: A canon is fired straight up starting from the ground with a velocity of 25m/s. It then reaches its…

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Q: = 25 m/s 35 -20 m 1. As a volcano erupts, one particular lava rock is projected from the mouth of…

A: (a) Given: The initial velocity of the rock is 25 ms. The angle made by the projectile is 35∘.…

Q: An object moves along the ry-plane. At some instant, its velocity and acceleration are – (3 m/s) ĵ ,…

A: A. is the correct option.   For an object to move in a straight line the velocity vector and the…

Q: I left my house at 7 AM, drove 1100 km and arrived in South Carolina at 6 PM. My speed at 3 PM was

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Q: What is correct about the two-dimensional free fall of a ball tossed up at some angle? a. When the…

A: Answer:   As per the given statement,   a) When the projectile comes back to its initial height, its…