What does the speedometer of car measure?

Q: The speed of a car increases from 20 m/s to 80 m/s during 3 seconds . The acceleration of the car…

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Q: What is the role of equations in this book?

A: The natural phenomena reveal relationships between the fundamental properties of nature (space,…

Q: What is acceleration of the car that moves at a steady velocity of 100km/h for 100s?Explain your…

A: Acceleration is,

Q: Calculate th avarage forca in ) on the person he is stopped by a padded dashboard that comprasses an…

A: The average force is the force exerted by some object moving at some defined rate of speed i.e.…

Q: Why is overall stopping distance for cars less than lorries

A: Stopping distance depends on , frictional force acting on the tire by the ground. Normally it does…

Q: What effect does acceleration have on objects?

A: Acceleration(a) is defined as the rate of change of velocity(v). Mathematically: a=dvdt here t=time.…

Q: Find the value of distance covered by car in 5 s if speed of car is 20 m/s

A: Given value--- time = 5 sec. speed = 20 m/s . We have to find--- distance?

Q: A penny is thrown into a well that is 14.5 m deep and it takes 0.800 seconds to fall what is the…

A: Given data :     Distance traveled by the penny before it reaches the bottom of the well, S = 14.5 m…

Q: What is difference between Uniform and Non-Uniform motion?

A: Uniform Non-Uniform     The motion is similar to the actual speed of the object. The motion is…

Q: A car moving at 20 m/s crashes into a tree and stops in 0.26s. Calculate the force the seat belt…

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Q: Why do you think seat belt is important? Relate this to physics

A: Newton's first law of motion : Newton’s first law states that if a body is at rest or moving at a…

Q: hen a car driver travelling at speed 10m/s allies brake and brings the car to rest in 20 sec. then…

A: U ( initial velocity ) = 10m/s V ( final velocity ) = 0m/s t ( time taken) = 20s

Q: A person crashes the car into a tree Which deploy is the airbag how does the airbag improve the…

A: Airbags are passive safety features designed to mitigate or prevent injuries among drivers and…

Q: A jogger runs 10 km in 45 minutes, rests for 10 minutes, and then runs another 8 km in 1 hour. The…

A: Given Data :               Distance traveled by jogger in first 45 minutes (d1) = 10 km = 10×103 m…

Q: A truck travelling at 54 km/h is slow down 36 km/h in 10 sec. Find the retardation

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Q: You measure the acceleration of a METRA train to be a = 0.58 m/s/s. If you are standing at the front…

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Q: Is a fine for speeding based on ones average speed or one's instantaneous speed? Explain.

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Q: Choose the best answer to the following: When you bend the branch of a tree by hanging on its end,…

A: Then the top side of the branch is under tension when you bend the branch of a tree by hanging on…

Q: why does stopping distance for a car depends on the initial speed

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Q: What is the relationship between the speed a car is traveling and its braking distance?

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Q: Which BEST explains why Clarence's statement about keeping his car at a constant velocity is wrong?…

A: We know that velocity is a vector. Vector: A quantity which contains information about the magnitude…

Q: Find the value of distance covered by car in 6 s if car is moving with speed of 25 m/s

A: Given Time t = 6 s Speed v = 25 m/s

Q: A 2000-kg car traveling at 21 m/s takes 44 m to stop under full braking. The same car m to stop…

A: Given : m = 2000 kg vo = 21 m/s s = 44 m v = 0 (because finally the car stops)

Q: What is the mass of a car that attains a velocity of 10.0 m/s in 8.0 seconds if it started from…

A: Mass is the quantity of matter in a physical body. It is also a measure of the body's inertia, the…

Q: In the unit of acceleration why does the unit of time occur twice?

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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: how fast would hail be wothout air resistance

A: If there is no air resistance, the only force acting upon the hails would be the gravitational…

Q: A 1000-kg sports car accelerates from rest to 95 km/h in 7.0 s .

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Q: A truck travelling at 54 km/h is slow down to 36 km/h in 10 sec. Find the retardation

A: Acceleration is defined as the rate of change in velocity. Retardation is basically the acceleration…

Q: The acceleration of the car is

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Q: A ball is dropped from a tall building. How far does it fall in 1.5 s

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Q: A racecar driver steps on the gas, changing his speed from 10 m/s to 36 m/s in 2.4 seconds. The…

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Q: A body weighing 64 lb is dropped from a height of 100 ft with an initial velocity of 10 ft/s. It is…

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Q: How Do Safety Belts Of Cars Help In Preventing Accidents?

A: There are many ways by which safety belts of cars help in preventing accidents. They are as follows.…

Q: Starting from rest, a tennis ball is dropped from the top of a tall building. After 1 second,…

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Q: Speed of a body is never negative. Why?

A: first of all , speed is a scalar quantity with magnitude only and has no direction. the physical…

Q: Given that a Christmas tree ball will break if dropped on a hardwood floor with a speed of 2 m/s or…

A: Given : Height of the tree ( h) =0.15 m   By the 3rd equation of motion : v2=u2+2gh where v=final…

Q: If a car is moving at 50mph and it rounds a corner, also at 50mph, does it maintain a constant…

A: Initial speed of car = 50 mph After taking a round at a corner, new speed of car = 50 mph

Q: A cockroach is running across the floor at a velocity of 1.5 cm/s trying to find some Takis (that a…

A: Solution: Given that v = 1.5 cm/s t = 0.5 s

Q: A car travelling at 100 km/h strikes an unfortunate bug and splatters it. The force of impact is…

A: Your answer is option (c) same for the both

Q: What is the benefit of an airbag, according to your understanding of physics?

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Q: An object is traveling such that it has a mome (a) speed of the object in meters per secon m/s (b)…

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Q: If a car is intially traveling at 27 m/s and decelerates at a rate of 4.5 m/s2 how fast would it be…

A: Initial speed of the car,  Acceleration of the car,  Time interval,    Applying the first equation…

Q: A car moving at 25 m/s crashes into a tree and stops in 0.3 s. Calculate the force the seat belt…

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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.