What is the main difference in velocity or v-vs-t graphs between moving at constant speed and moving with changing speed?

Q: 2. A police officer used the model d 0.1v2 +1.1v for a car's stopping distance, where v is the car's…

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Q: How are speed and velocity different?

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Q: A person is at building-top (50m high). Stone fells down from his hand to reach ground. (A)…

A: The net force acting on an object is equal to the product of mass and acceleration of the object.…

Q: bläi 5 is the motion of a particle.. that is launched with an initial velocity Vertical Velocity…

A: To answer: .................................. is the motion of a particle that is launched with an…

Q: what is acceleration defined by

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Q: What is the main difference in position or x-vs-t graphs between moving at a constant speed and…

A: Given What is the main difference in position or x-vs-t graphs between moving at a constant speed…

Q: Dran a accelerdtion Time graph from velocity-Time grapph belou Velocity-Time Graph: 8 V (m/s) 4 [E]…

A: Given:- A velocity Vs Time graph is given as  Find:- The acceleration vs Time graph

Q: a train moves with 1000 km/h , the driver pulls the break to stop then the train stopped after 9 s ,…

A: Given: Train velocity u=1000 kmhr = 100060×60=518 kmsec           Stopping time t=9 sec  We know…

Q: What is the  Instantaneous Speed?

A: Variation of distance with respect to variation in time at any instant is known as instantaneous…

Q: What does the x-intercept of a Velocity Vs. Time graph represent?

A: The velocity time graph is the graph in which the velocity is plotted along y axis and the time is…

Q: Plssssss help, ignore the writing, Sketch a graph of the object's acceleration as a function of…

A: A velocity vs time graph is showing.

Q: Select the best answers for each of the following statements. We call the rate at which the velocity…

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Q: Give an example where acceleration is in opposite direction of the velocity?

A: Given:  velocity and acceleration

Q: A car is travelling with a velocity of 108 km/h. The brakes are applied at a rate of -0.6 m/s.…

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Q: An elevator is moving upward at a constant speed of 4 m/s. A man standing 10 m above the top of the…

A: Constant speed of elevator (v) = 4 ms , upwards height of man above the top of elevator (h) = 10 m…

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: What is the minimum speed, in meters per second, the child must be moving with at the top of the…

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Q: How can you tell from a v-vs.-t graph when you have stopped momentarily and changed direction

A: The particle is stopped momentarily when its velocity is zero at particular instant of time.

Q: What can you say about the velocity- time graph of an object moving with constant accelerated…

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Q: 5. A motorcycle is traveling along a highway at 30 m/s. How far does the motorcycle travel in 18 s?

A: The distance travelled by body moving with uniform velocity is given by, distance=(velocity)(time)…

Q: A car is travelling with a velocity of 117 km/h. The brakes are applied at a rate of-1.1 m/s.…

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Q: Ques 4: A block moves in a straight line with velocity v for time to. Then, its velocity becomes 2v…

A: Given the block moves with speed v for time to then the block moves with speed 2v for time to then…

Q: What is the difference between scalar and vector quantities?

A: Physical quantities are classified as scale  and vector. Scalar quantities are those quantities…

Q: Definitions of the following Velocity Acceleration Distance Potential difference

A: To define :  1) velocity  2) Acceleration 3) distance  4) potential difference

Q: How are instantaneous velocity and instantaneous speed related to one another? How do they differ?

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Q: What is the physical significance of the signs? Is a positive acceleration always speeding up? What…

A: As we know,  Explaining and describing the set of quantities in coordinate system is difficult.  For…

Q: What do you say is the length of a straight line from an object's initial position to its final…

A: A straight line from intial position to the final position of an object is the shortest distance…