if an object is NOT accelerating, then one knows for sure that it is _______________. Select all that applies. a. speeding up b. moving with a constant speed c. slowing down d. maintaining a constant velocity

Q: You drive 5 km at 30 km/h and then another 5 km at 50 km/h. What is your average speed for the whole…

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Q: Which of the following best describes an object that is accelerating? A. An air hockey puck glides…

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Q: Which one of the following statements concerning speed is true? Select one: a. Speed can be a…

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Q: 6. A pitcher takes 0.10 s to throw a baseball, which leaves his hand with a velocity of 30 m/s. The…

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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: 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: Answer the following questions. (True or False) a. Motion and acceleration are not the same…

A: Answer the following questions. (True or False)

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 car has an acceleration of 8 m/s2. a) How much time is needed for it to reach a velocity of 24 m/s…

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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: An object is not accelerated if

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Q: an object with an accoleration of 20m/s will __________________. a.  change its velocity by 20m/s…

A: The rate of change of velocity is known as acceleration. Consider the initial velocity of the object…

Q: Two pebbles are thrown simultaneously from the top of the building with a speed of 20 m/s. One is…

A: Given data:  Two pebbles thrown simultaneously from same height  Velocity of first pebble = 20 m/s,…

Q: During take off, an airplane goes from 0 to 50 m/s in 8 s. a) What is its acceleration?

A: Consider the formula for the acceleration is, a=∆v∆t The acceleration is defined change in velocity…

Q: An object is accelerating _________.  a. only when its speed changes. b. only when its direction…

A: Acceleration is vector quantity Depend on magnitude and direction both.

Q: Comparing average acceleration and instantaneous acceleration, a. average acceleration is not a…

A: Average acceleration is the change of velocity over a period of time.  Instantaneous acceleration is…

Q: A fish swimming at a constant speed of 0.5 m/s suddenly notices a shark appear behind it. Five…

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Q: The average speed of a car in km/hr that drives a distance of 20 km in a time of 15 minutes is

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Q: A physics student took a 4 hours car trip to visit a friend. In the first hour, he traveled 100 km…

A: In the first hour 100km In next 2hours at rest  In the next 1 hour 90km

Q: v (m/s) 10 7 51 2. 6. 6. 10 t (s) Which of the following statements is true? O the object is moving…

A: Above given is a velocity-time graph. We can calculate the velocity as a function of time using the…

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: An airplane needs to gain an acceleration of 0.79  m/s2  to take off on a  2000 m runway, what is…

A: Given data:  Initial velocity (V0) = 0 m/s Acceleration (a) = 0.79 m/s2 Distance traveled (Δx) =…

Q: An object moves with constant velocity or uniform velocity, that means object moves with... . Choose…

A: For an object moving in one dimension, the magnitude of the object's velocity is the speed of the…

Q: Uniform circular motion is an example of accelerated motion because;   a. the acceleration is…

A: Solution: We know that the force which keeps the body in circular motion is called centripetal…

Q: A mass m = = 3 kg is attached to a spring with force constant k = 48 Nm-¹ and set into motion. The…

A: Given that: The mass m=3 kg The spring constant k=48 N/m The damping constant is b=2 kg/s   It is…

Q: One of the most difficult things to learn in physics is that our everyday language is not always…

A: Explanation: The direction of acceleration depends on the direction of motion of the car and its…

Q: Let's Appraise A trekker walks 5.0 km North [N] and then 8.0 km South [S] for 3.0 hours. Determine…

A: Given 1. Displacement of trekker = 5.0 km towards North Displacement of trekker = 8 km towards South…

Q: The acceleration of a stone thrown upward is; a. the same as that of a stone thrown downward. b.…

A: To discuss the acceleration of a stone thrown upward.

Q: 8. The speeds of a car and a truck were 75 km/h and 50 km/h respectively. They left town A at the…

A: Given speed of car = v1 = 75 km/h speed of truck = v2 = 50 km/h After 6h later, van passes the car…

Q: Acceleration is ___. ? a.The rate of change of an object's velocity.   b. A scalar quantity.   c.…

A: Introduction: The acceleration of the object is defined as a rate change of velocity with respect to…

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.