4G 1:52 O (6 openvellum.ecollege.com/cou Course Home 9 of 10 Constants At its Ames Research Center, NASA uses its large "20-G" centrifuge to test the effects of very large accelerations (hypergravity) on test pilots and astronauts. In this device, an arm 8.84 m long rotates about one end in a horizontal plane, and the astronaut is strapped in at the other end. Suppose that he is aligned along the arm with his head at the outermost end. The maximum sustained acceleration to which humans are subjected in this machine is typically 12.5 g. You may want to review (Pages 82 - 85). For general problem-solving tips and strategies for this topic, you may want to view a Video Tutor Solution of Centripetal acceleration on a carnival ride. Part A Part B What is the difference between the acceleration of his head and feet if the astronaut is 2.00 m tall? • View Available Hint(s) P Pearson II

Q: A runner decreases his velocity from 20 m/s to 10 m/s in 2.0 s. What is the average accelaration?

A: The expression for the average acceleration is aav=vf-viΔt

Q: For an object that is moving along a straight path, the acceleration is Select an answer and submit.…

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Q: Which of the following statements is correct? Question 9 options: negative…

A: The given problem is based on various statement on acceleration, To solve the given question we will…

Q: A ball is thrown vertically upwards from the ground at a velocity of 10 m/s. Approximately, how long…

A: So we have given that a ball is thrown vertically with velocity of 10 m/sWe have to find the time it…

Q: What is the relation between time, displacement and velocity?

A: Required: The relation between time, displacement and velocity

Q: If you drive from Santa Cruz to San Jose, and back to the same place you started in 1.5 hours. What…

A: Given: Let, the time to drive from Santa Cruz to San Jose is t1, and the time taken back to the…

Q: In m/s?, what is the acceleration when t = 7.5 sec? Express your answer as an integer, not as a…

A: The acceleration at a time in velocity-time graph represents the at that time.

Q: what is acceleration defined by

A:

Q: If you drive from Santa Cruz to San Jose, and back to the same place you started in 1.5 hours. What…

A: Average Velocity of an object is its total displacement divided by total time taken.  Displacement -…

Q: A ball rolls up a hill . It had an acceleration of -4.0 m/s^2 if it takes 2.0 seconds for the ball…

A: Given:Acceleration a = -40 m/s2It takes 2.0 seconds to roll3.0 m behind its starting point.

Q: "A ball is thrown up into the air. At the very top of its path, the acceleration is _."     0 m/s/s…

A: as a ball is thrown up into the air ,gravity acts onto the ball all the time,say ball has mass…

Q: Give an example for which velocity is zero but acceleration is not.

A: 14. There are many examples available in which velocity is zero but acceleration is not. The…

Q: Which of the following motion depicts a vehicle speeding up? (There may be multiple right answers.)

A: Required:  The speeding up motion of the vehicle

Q: During a football game, the running back changes direction from running 5.5 m/s [N] to 7.5 m/s [S]…

A:

Q: If a squirrel at the top a of tree 17 meters high drops a walnut, how long will the take to reach…

A:

Q: If a squirrel at the top a of tree 5 meters high drops a walnut, how long will the take to reach the…

A: We can use equation of kinematics to calculate time taken by walnut to reach at ground. Equation of…

Q: uppose you throw a ball straight up with an initial speed of 70 MPH. How high will the ball go, and…

A:

Q: Why is acceleration positive?

A:

Q: A ball is dropped off a cliff in Vermont. Assuming it doesn't hit the ground, what will it's…

A: Given: Time after which velocity has to be calculated t = 2 s. A ball is dropped off a cliff.

Q: Which of the following represents a negative acceleration? Select all apply. An object is at rest An…

A: Negative acceleration decreases the speed of object .   Therefore , correct options are :- An…

Q: As a car's speed increases its velocity and acceleration might be: CHoices: ositive and zero,…

A: Required : The speed and acceleration of the car.

Q: make the graph for displacement vs. time and acceleration vs. time based on the velocity vs. time…

A: Acceleration-time graph can be obtained by using the slope of velocity time graph. And…

Q: If an object travels at a constant velocity, what can we say about its acceleration? What is another…

A: If an object travels at a constant velocity, it has zero acceleration. Another Situation: A photon…

Q: On a different planet the acceleration of gravity is 16 meters per second what will be an objects…

A: Given  Acceleration due to gravity at an unknown planet (g) = 16 m/s2      vi = 0     ( just after…

Q: what does it mean to have an acceleration of -10m/s2 when the velocity is +80 m/s?

A: Given data:  Acceleration (a) = -10 m/s2 Velocity (v) = +80 m/s

Q: A plane accelerates from 2 m/s at the rate of 3 m/s2 over a 530 m distance. How long does it take…

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Q: Starting with a constant velocity of 45 km/h, a car accelerates for 30 seconds at an acceleration of…

A: Given    initial velocity of car u=45 km/hr   acceleration of car a=1 m/s   time of travel t=30…

Q: How acceleration can be obtained from displacement and time?

A: The value of slope from the velocity-time graph gives acceleration. If the value of the slope is…

Q: If we know the time it takes to accelerate from rest and travel a given distance, which formula can…

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Q: A ball moving at +4.5 m/s along a table rolls off a table and lands on the ground 2.05m away. How…

A: Given data:  Initial horizontal velocity (v0x) = +4.5 m/s Horizontal displacement (Δx) = 2.05 m…

Q: A runner’s velocity and acceleration are in the same direction. What can you say about the runner’s…

A: Speed of runner's increase. If velocity and acceleration has same sign than speed increases  If…

Q: You throw a ball straight up into the air. Describe the acceleration of the ball at the moment it…

A: Given data:  The ball is thrown straight upwards in the air Required: The acceleration of the ball…

Q: A pitcher tosses up a baseball straight up, with an initial speed of 15 miles per second. How long…

A: Given that Initial velocity u = 15 miles per second = 1609.34 m/s  ( vertically upward )

Q: In the context of Physics, define the following term: Acceleration.

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Q: Is it possible for an object to have a negative acceleration and be speeding up?

A: Yes, it is possible when both velocity and acceleration are negative (in same direction) . Then…

Q: If a speedometer of a car reads 40 km/he, does the car have constant velocity?

A: The velocity is a vector quantity. It has the speed with a direction.

Q: Write a sentence or two describing the difference between speed and velocity. Give one example of…

A: An object's speed is defined as the distance it travels in a given amount of time. It is a scalar…

Q: Driving west, a driver is going at 60 m/s and within 5 seconds, he reaches a complete stop. What is…

A: Given data The initial speed is, u=60 m/s The final speed is, v=0 m/s The time taken to stop is t=5…

Q: we are learning something called "free fall" and I do not understand how to do this question, "A…

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Q: If a soccer ball that is rolling down a field at the instant velocity of 10 m/s and the constant air…

A:

Q: What are some examples of acceleration?

A: Acceleration is defined as the rate of change of velocity with a non zero value. For constant…

Q: A car travels North with constant velocity of 5 m/s for 10 mins. What is the car's acceleration? O…

A: Given, A car travels North with constant velocity of 5m/s for 10 mins . Acceleration is rate of…

Displacement, Velocity and Acceleration

In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.

Linear Displacement

The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.