A little girl accidentally drops a 62 kg object from her balcony. This balcony has a height of 493 feet. 1.)How long will it take the object to hit the pavement? 2.)Sketch a graph of the displacement of the object as a function of time.

Q: Examine the following position time graph: time A The graph shows an object is at rest and velocity…

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Q: Which equation can be used to solve for acceleration?

A: Acceleration is the rate of change of velocity with respect to time. So, if velocity is known to you…

Q: An object is moving along the x-axis and its position at certain periods of time were recorded. This…

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Q: 10 8 6 4 FB >t(s) 1234 56 Part A Find the average velocity of this object from point A to B. Express…

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Q: Draw the position-time graph produced when a person starts at the 0.50-m mark, walks away from the…

A: First 3 seconds, walks away from detector at v = 0.5 m/s Next 3 seconds stops, v = 0 m/s Next 6…

Q: A rock thrown straight up into the air has a velocity of y(t) = -9.8t + 20 meters per second after t…

A: Given data The velocity of the rock is yt=-9.8t+20 The duration of the rock is t = 2 s

Q: Calculate the height (in m) of a cliff if it takes 2.24 s for a rock to hit the ground when it is…

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Q: A boat is stationary at 12 meters away from a dock. The boat then begins to move toward the dock…

A: Given data: Distance (d) = 12 m Initial velocity (v0) = 0 m/s Acceleration (a) = 5.0 m/s2 Required:…

Q: The position of an object as a function of time is given by the equation: x (t) = 3t3 – 4t2 + 3…

A: Given quantities: x(t) = 3t3 - 4t2 + 3   It is known that if the position of an object with respect…

Q: 3.Which is defined as the rate at which the speed changes? a. time c. average velocity b. velocity…

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Q: Which calculation is used to determine acceleration? O A. divide average velocity by mass O B.…

A: Required :: Which calculation is used to determine the acceleration.

Q: A bus accelerates from rest at 1.25 m/s for 1.5 s. What is the (a) final velocity and (b) the total…

A: initial velocity = V0= 0 m/s ( rest) acceleration = a = 1.25 m/s2 time = t = 11. 5 sec

Q: 4. The graph shows the motion of four cars. All four cars are moving east. Motion of Four Cars Time…

A: The slope of a distance-time graph shows the velocity. The velocity will be constant when the slope…

Q: Examine the following position time graph: time A) The graph shows an object's velocity is constant…

A: 1. Object in Uniform motion  Slope of position time graph gives velocity The graph shows an object's…

Q: A certain freely falling object, released from rest, requires 1.20 s to travel the last 33.5 m…

A: (a) Use the kinematic equation to solve for the velocity of the object when it is 33.5 m above the…

Q: 16. Draw a qualitative position-time graph that shows a man who starts at the origin, then runs…

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Q: A car from rest moves with a constant velocity of 60 km/h for 2 hours. The driver then decided to…

A: Given:-  A car start from the rest and moves with the constant speed of v1 = 60 km/h for a time t1 =…

Q: A rock is thrown vertically upward from ground level at time t = 0. At t = 1.7 s it passes the top…

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Q: What is the average velocity of a body that increases in velocity from 20m/s to 40m/s in 3 seconds?…

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Q: A cyclist rides 60 kilometres at constant speed of 40 km/h. a        Sketch the distance–time…

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Q: 2. Tyler bungee - jumped from a bridge above the Corinth Canal in Greece. The rope he used was 76.0…

A: Given: Initial velocity = vi = 0 m/s Displacement = length of rope = s = 76 m Acceleration = a = g =…

Q: A runner makes two complete laps around a track. The distance of the track is 905 meters. It takes…

A: Speed is a scalar quantity and it is defined as the distance traveled in unit time. Velocity is a…

Q: An auto manufacturer advertises that their car can go "from zero to sixty in eight seconds." This is…

A: According to first equation of motion: v=u+at Here v= final velocity           u= initial velocity…

Q: 4. A group of students managed to make the following graph of speed vs. time. Determine: a.…

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Q: Rocket-powered sleds are used to test the human response to acceleration. If a rocket-powered sled…

A: Given: The intial speed is 0 m/s. The final speed is 444 m/s. The time interval is 1.83 s.

Q: A person gets in an elevator on the ground floor and rides it to the top floor of a building. Sketch…

A: The graph for the velocity versus time for the motion of an elevator motion is given below:

Q: A body moving in a straight line. The following equation determines its location (3-x=2+t(t),…

A: Position  3-x = 2+t(t)  3-x = 2 + t2  x = 1 - t2

Q: A rocket, initially at rest on the ground, accelerates straight upward from rest with constant…

A: Given data:  Initial velocity from ground = 0 m/s Acceleration (a) = 44.1 m/s2  Time (t) = 5.00 s…

Q: A child is sledding on a smooth, level patch of snow. She encounters a rocky patch and slows to a…

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Q: 1. The diagram shows the velocity-time graph for the motion of a machine's cutting tool. The graph…

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Q: An object moves in a straight line as described by the velocity-time graph in the plot below. Sketch…

A: The acceleration is defined as the rate of change of velocity.   a = dvdt   Therefore the slope of…

Q: A body starts from rest and moves 8.25 m due East in 5.5 s. Determine the body’s acceleration within…

A: We know thats=ut+12at2Heres=displacementu=intial velocitya=accelerationt=time

Q: The speed versus time graph for an object is shown below: Speed/ ms 15 ol 2 4 6 8 10 timel s (i)…

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Q: This position time graph describes an object's motion. Use it to determine the displacement (in m)…

A: Given:- A position vs Time graph  Find:- The displacement of the object after 15 sec

Q: 4. The graph represents the movement of a body. How far has the body moved after 5 s? B.10 m A 2 m…

A: Given data: The velocity-time graph

Q: Consider an object moving in one dimension. We choose a coordinate system in which the +x direction…

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Q: 4. On a distance-time graph, which kind of line represents a stationary object? a line with a small…

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Q: 3. ( velocity-time of a particle making one dimensional motion is shown with (v. = 10 m/s) )…

A: The velocity of the object increases from v=0-10m/s in t=0-2s. For the next 8 seconds the velocity…

Q: 1.5 1.0 0.5 0.0 Lwwwwww

A: The given graphs show the change in the position of the tennis ball. Therefore, the position and…

Q: What law of motion explain the released of a bullet  during a firing of a gun?

A: According to Newton's first law body is at rest or moving at a constant speed in a straight line, it…

Q: You jog at 9.5 km/h for 5.0 km , then you jump into a car and drive an additional 19 km Part A With…

A: The average speed of the body is the total distance traveled by the body divided by the elapsed time…

Q: A rock is thrown vertically upward from ground level at time t= 0. At t= 1.6 s it passes the top of…

A: It reaches the top of the tower at t= 1.6sec and 1.1 sec later it reaches the maximum height

Q: A ball is dropped from the roof of a tall building and students in a physics class are asked to…

A: Initially when the ball is dropped, the velocity will be zero and at the final position when the…

Q: A falling stone takes Δt = 0.38 s to travel past a window 2.2 m tall (see the (Figure 1)). From what…

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Q: Directions: It is a Problem-Solving test, thus, you need to show your solutions in solving the…

A: Given: for the first case: The intial initial speed of the car is 35 km/h. The final speed of the…

Q: 29. The graph shows the acceleration of an object across time. Which of the following graphs below…

A: The acceleration versus time graph is given for an object is motion from the graph , the…

Q: A certain freely falling object, released from rest, requires 1.35 s to travel the last 23.0 m…

A: Given Data : The time required by the object to cover the last 23 m is t = 1.35 s.

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 –