From the top of a  90 m high cliff, a student  throws a rock vertically downwards with a velocity of 7 m/s. How long will it take for this rock to reach the bottom of the cliff? A.) 4.8 s B.) 5.1 s C.) 2.6 s D.) 3.6 s

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Q: An object covers 60 m in 6 s in the positive x-axis while slowing down with constant acceleration to…

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Q: A stone is thrown straight up with an initial velocity of 60.0 m/s a) how long does it take to reach…

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Q: Which is always true for an object in uniformly accelerated motion? A. Its velocity is constant. B.…

A: Given : an object is in uniformly accelerated motion

Q: PROBLEM: A roofer tosses a shingle off a 240.1 m high roof, giving it an initial horizontal velocity…

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Q: A car travels at 15 m/s for 10 s. It then speeds up with a constant acceleration of 2.0 m/s2 for 15…

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Q: The object moves according to the following graph of the relationship of velocity v to time t. (In…

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Q: 4. Which of the following sentences describes an example of instantaneous velocity? A.The hot-air…

A: The instantaneous velocity is the velocity at a particular instant. It contains magnitude as well as…

Q: Actual velocity data for a lion pursuing prey are shown. Estimate:a. The initial acceleration of the…

A: Given: The Actual velocity data for a lion pursuing prey are shown below,

Q: 35. The graph shows how the speed of an object changes with time. speed m/s A. B. C. 12- D. 8- 4 0 8…

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Q: ationary car is moving 30 km in 40 minutes. Compute the acceleration of the car in m/s?. final…

A: Given Initial velocity u= 0 Distance covered S = 30 km = 30000 m Time taken= 40 min t = 40 × 60…

Q: An object is moving west at 20 m/s and another object is moving north at 20 m/s. Which of the…

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Q: If you toss a ball upward with an initial speed v = 2m/s, it reaches a max height h without air…

A: Given data:  Original initial velocity (v) = 2 m/s, vertically upward  Maximum height = h New…

Q: A ball is thrown vertically upward with an initial velocity of 10 m/s from the top of a building of…

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Q: 1. Two heavy balls have the same diameter, but one is twice the weight of the other. They are…

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Q: An object has an initial velocity of 15 m/s. The object's velocity is _____ on the way up and _____…

A: An object has an initial velocity of 15 ms

Q: A pumpkin is shot from ground level with an initial velocity of 120 m/s at an angle of 30° above the…

A: As the pumpkin is launched at an angle with the horizontal, the pumpkin will follow a projectile…

Q: 1. If the acceleration of the body is constant, which of the following statements is true?   a. The…

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Q: A person, standing on the top of a 50 m high building,  throws two stones vertically downward  1.00…

A: Given data The height of the building is given as s = 50 m. The difference in the throwing of stone…

Q: A firework is shot into the air with a velocity of 123 m/s. A) What is the maximum height the…

A: A) From kinematics, the expression for the final velocity is: At maximum height, the velocity of…

Q: bunch of keys is thrown from the top of a 50 m tall building with an initial velocity of 20 m/s. a)…

A: Given initial velocity u = 20 m/s  Displacement S = - 50 m   At highest point velocity v = 0

Q: 50 Figure #1 shows a graph of speed vs. body time. Determine: a. The acceleration of the body in the…

A: Given data:  Speed vs time graph  Required: The acceleration and distance traveled in the first 10…

Q: ement. Figure below shows the displacement Vs. time graph of two particles. Which of the statements…

A: Slope of a displacement time graph gives us velocity. Here for both the particle the graphs are…

Q: 3. Irina dives from a 25-meter high platform into a water (see diagram ). 25 m a. Irina's…

A: Given Height of platform (H) = 25 m ,  initial velocity , vo= 0 (a) Irina's acceleration as she…

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Q: Q9. i) A ball is thrown vertically up with an initial velocity of 28 m/s. (a) How high will it reach…

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Q: Q.The diagram below shows the speed-time graph for an object. E velocity (m/s) 30 25 20 15 10 B D 10…

A: The slope of the velocity versus time graph gives the acceleration of an object.

Q: At t = 10 s, Frank is at x; = 25 m. 5.0 s later, he's at xf = 15 m. What is Frank's velocity? O A)…

A: Given data:  Initial position (Xi) = 25 m Time taken (Δt) = 5.0 s Final position (Xf) = 15 m…

Q: A water balloon is dropping from the roof of a 200 m tall building. Solve for the final velocity of…

A: Given data The height of the building is given as s = 200 m.   According to the sign, the…

Q: A car is traveling at Vx= 20 m/s. The driver applies the brakes, and the car slows with ax =4.0 m/s…

A: Given:A car travelling at the speed of 20m/s. The driver applies the braker, and the car slows with…

Q: Q1: A person throws a stone from the ground in a direction of 45.0̊ above the horizontal and with a…

A: Total velocity, u = 45 m/s Angle of velocity from ground, θ = 45 Horizontal component of velocity,…

Q: A car is going 29.0 m/s when it begins to slow and comes to a stop in 100 meters. What was the…

A: Given data:  Initial velocity (u) = 29.0 m/s Final velocity (v) = 0 m/s Distance (d) = 100 m…

Q: +40 +30 Position +20 x (m) +10 5 10 15 20 25 30 Time t(s) A.) Determine the instantaneous

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Q: a. ) determine the time the stone will reach its maximum height. b. ) for how long will the stone be…

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Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –