ompare and contrast constant speed and instantaneous speed

Q: Using other activity or sports, give an example where speed is essentially needed

A: Given: using other activity or sports, give an example where speed is essentially needed.

Q: two examples of instantaneous speed

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Q: If a boy dropped a rock off a high cliff, how fast would it be falling after 2.0 second had elapsed?…

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Q: Direction: Solve what is required in each of the following problems. Show a step by step process in…

A: In general, let us assume that u is the initial velocity, v is the final velocity and a is the…

Q: A truck is travelling with a velocity of 81 km/h. The brakes are applied at a rate of -0.7 m/s²,…

A: Motion under uniform acceleration: When a constant force acts on a body. Then the body moves with…

Q: Describe about the meaning of instantaneous velocity; the difference between velocity and speed.

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Q: Given data: Distance to covered by car 23 m Time to cover the distance=2 s Find speed

A: Given: The distance traveled by the car is 23 m. The time taken by the car is 2 s.

Q: A car is decelerating from 30 m/s to rest in 10 seconds. Determine car’s acceleration.

A: Given Initial velocity of the car is v0=30 m/s Final velocity of the car is vf=0 Time taken by the…

Q: a rock is thrown vertically downward with a speed of 10 m per second what is its acceleration as it…

A: When a object is thrown upwards, the acceleration acting on the object is always equal to the…

Q: An airplane leaves Chicago and makes the 3000-km trip to Los Angeles in 5.0 h. A second plane leaves…

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Q: Two cars A and B race each other. The Car A ran for 2 minute at a speed of 7.5 km/h, slept for 56…

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Q: Given data: Distance to covered by car-22 m Time to cover the distance-2 s Find speed

A: Given that- distance covered d = 22 m time taken t = 2 s

Q: pedro who is on top of a roof of a high building drop a piece of metallic material a second piece of…

A: Given data *The time difference between two pieces is t2-t1=2.0 s *The second material reaches a…

Q: A child riding a bicycle at 15 m/s accelerates at -3.0 m/s2 for 4.0 s. What is the child’s speed at…

A: The kinetic equation is, v=u+at

Q: John's sport car took 5.32 seconds to go from a speed of 35.0 miles/h to a speed of 67.0 miles/h.…

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Q: Analyze the graph to determine the acceleration of the motor scooter.

A: From the graph at t=0sec initial velocity=23m/sec at t=7sec final velocity =2m/sec…

Q: The observation deck of tall skyscraper 263.8 m above the street. Determine the time required for a…

A: The height, h=263.8 m   Initial velocity, u=0 m/s

Q: The area under a velocity-vs-time graph always represents velocity acceleration displacement…

A: Expression for area under a velocity vs time curve A=∫vdt

Q: Read the examples of motion. Place the type of motion it is next to the example. A greyhound dog can…

A: Velocity has magnitude as well as direction. Speed only has magnitude. Acceleration is the change of…

Q: A block sliding across the floor slows at a rate of −1.5 m/s2. It takes the block 2.0 seconds to…

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Q: A car and a motorcycle moves on a straight line. The car starts 8 meters ahead of the motorcycle. If…

A: Answer: 2s (2nd option)

Q: A person throws a ball upwards into the air with an initial velocity of 15.0 [m/s). How high does it…

A: Given Data:-  Initial velocity of the ball is vi=15.0 m/s. Suppose the ball will reach a maximum…

Q: 26) As a baseball is being thrown, it goes from 0 to 43 m/s in 0.13 seconds. What is the…

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Q: Ken Runfast is the star of the cross-country team. During a recent morning run, Ken averaged a speed…

A: Given information:Initial average speed (u1) = 5.5 m/sTime for which he maintained this speed (t1) =…

Q: A car skids to a halt to avoid hitting an object in the road. Draw a motion diagram of the car from…

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Q: The observation deck of tall skyscraper 370 m above the street. Determine the time required for a…

A: Given data: The distance above the street is d=370 m.

Q: Two cars, A and B, move along the x-axis. The figure (Figure 1) is a graph of the positions of A and…

A: The position time graph for both the cars A and B

Q: car travels at an average speed of 60 mi/h for 3 h and 20 in. What was the distance traveled

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Q: A car moves as shown over three hours. Find the average velocity of the moving car in km/h

A: The graph shows different value of position at different time. Average velocity of car can be…

Q: Glancing at the speedometer of your car gives you your car's instantaneous speed your car's…

A: Answer:your car's instantaneous speed. Our car's speedometer measures the speed of a car at an…

Q: A ball was dropped from the top of a building. If the ball was from a height of 339 meters from the…

A: The kinematic equations of motion are- 1) v=u+at2) s=ut+12at23) v2=u2+2as where,u is initial…

Q: studies the causes of motion. The two main factors we need to consider to answer question about why…

A: The motion of an object or a body changes due to the effect of forces. A body or an object is…

Q: Definitions of the following Velocity Acceleration Distance Potential difference

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

Q: An object falls straight down 35.0 meters from the top of a building, landing on a metal box. The…

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Q: A stone of is dropped from a height of 88 meters with zero velocity. Assuming no air resistance,…

A: The data given in the question is, height, h=88 m initial velocity, u=0 m/s acceleration due to…

Q: Idealized model| representing a moving body; no rotation or change in shape occurs during motion *…

A: A body requires a force initially to move when the body starts moving, and if the force is…

Q: A rock is dropped from a tower on the Brooklyn Bridge, 274 feet above the East River. Let t…

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Q: A stone of is dropped from a height of 73 meters with zero velocity. Assuming no air resistance,…

A: Given data:  Height (h) = 73 m Initial velocity (v0) = 0 m/s Acceleration due to gravity (g) = 9.8…

Q: The velocity-time graphs represent the motion of three different objects. Identify any object that…

A: Given the graph of velocity vs time.   It is required to select the correct graph that identifies…

Q: Directions: Complete the table. Make a graph that best represents the behaviour of physical…

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Q: Ken Runfast is the star of the cross-country team. During a recent morning run, Ken averaged a speed…

A: Distance travelled by Ken for the first 12.4 mins:

Q: Initially stationarya train has a constant acceleration of 2.3 m/s ^ 2 How far it travel after…

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Q: The motion of a motor scooter is shown in the graph below Analyze the graph to determine the…

A: As the slope of velocity time represents the acceleration.  Considering any two points on straight…

Q: A cart is rolling with a velocity of 4.8 m/s and an acceleration of -1.2 m/s2 . Describe the motion…

A: Given Vi=4.8 m/s a=-1.2 m/s2 Recall Vf=Vi+at