An object dropped from a cliff falls with a constant acceleration of 10 m/s2. Find its speed 5 s after it was dropped.

Q: A sprinter starting from rest on a straight, level track is able to achieve a speed of 14 m/sec in…

A: The average acceleration is determined by the equation,

Q: What is the acceleration of an object which accelerates along a straight path from rest, and attains…

A: Object starts from rest  Therefore , Initial velocity (vi) = 0 Final velocity  ( vf) = 20 m/ s Time…

Q: An object at rest accelerates at 3.7 m/s^2 for a distance of 20 m. what is its final velocity?

A: Given data:  Initial velocity (Vi) = 0 m/s Acceleration (a) = 3.7 m/s2 Distance (d) = 20 m Required:…

Q: Ball with initial speed of 4m/s rolls down an incline with acceleration of 2m/s^2. If final speed is…

A: Expression to find the length v2=u2+2as Rearrange to find s 2as=v2-u2s=v2-u22a  =8 ms2-4 ms222 ms2…

Q: An object dropped from a cliff falls with a constant acceleration of 13 m/8². Find its speed 5.58…

A: Introduction :  In this question we are provided it value of  initial velocity , acceleration and…

Q: 7.) A football is kicked directly upward with a velocity of 50 m/s. Determine: a. The velocity at 2…

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Q: What is the initial velocity of a car that reached 32 m/s [S] in 3.4 s at a rate of 2.6 m/s2 [S]?

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Q: A car at speed of 144 km/hr. Find acceleration of the car in (m/s), if the stop time is 4 s

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Q: A truck covers 40.0 m in 8.25 s while uniformly slowing down to a final velocity of 2.15 m/s. (a)…

A: Distance covered by truck , S = 40 m Time , t = 8.25 s Final velocity ,Vf = 2.15 m/s To find = a)…

Q: Mary accelerates from rest up to 7.3 m/s in 3.45 seconds. a. Calculate her average acceleration. t =…

A: Given data:  Initial velocity (vi) = 0 m/s Final velocity (vf) = 7.3 m/s Time (t) = 3.45 s Required:…

Q: A truck covers 40 m in 8.5 s while smoothly slowing down to a final speed of 2.8 m/s. (a) Find the…

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Q: A sprinter from rest on a straight and level track is able to achieve a speed of 11 m/s in a time of…

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Q: Find an object's acceleration if it was moving with an initial speed of 50.0 Km/hr and stops after a…

A: Initial speed , u = 50 km /hr Final speed , v = 0 km/hr = 0 m/s . Stopping distance , S = 35 m To…

Q: The car which is initially at rest has an acceleration 7m/s² and travels 20 seconds. Find the…

A: The second equation of motion is  s = u t + 0.5 at2 where, u is the initial velocity, t is the time,…

Q: A truck covers 40 m in 9 seconds while uniformly slowing down to a final velocity of 3.15 m/s find…

A: Given Data: The distance covered by the truck is: d=40 m The time taken by the truck is: t=9 s The…

Q: A bicycle travelling at 2.6 m/s reaches a velocity of 3.9 m/s after accelerating at a constant rate…

A: Given data:  Initial velocity (Vi) = 2.6 m/s Final velocity (Vf) = 3.9 m/s Distance traveled (s) =…

Q: A brick was dropped from rest from a height of 16.8 m. How long does it take the brick to reach the…

A: Given, Height h = 16.8 m acceleration g = 9.81 m/s initial velocity u = 0 m/s We know the expression…

Q: If a car starting from rest reaches a velocity of 18 m s^-1 after 6.0 s then ...its acceleration is

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Q: A bus starting from rest moves with a uniform acceleration of 0.1 m s for 2 minutes. Find (a) the…

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Q: A subway train starts from rest at a station and accelerates at a rate of 1.60 m/s² for 14.0 s. It…

A: Let the train starts from rest and then accelerates to velocity v with the acceleration a in time…

Q: A car decelerates at 2.0 m/s 2 and comes to a stop after travelling 25 m. Find the time required to…

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Q: An Olympic-class sprinter starts a race with an acceleration of 4.5 m/s^2. What is her speed 2.4…

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Q: what is the acceleration of an object thrown vertically down with a speed of 10 m/s

A: Any object thrown vertically downwards is subjected to the force of gravity. Any object moving under…

Q: What is the final speed of a bicyclist initially moving at 1.0 m/s who accelerates at a rate of 1.5…

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Q: A car backs up with an acceleration of 3.5m/s² [S]. If its final velocity after 2.0s is 9.0 m/s [S],…

A: acceleration,a=-3.5 ms2final velocity,v=9 mstime,t=2sinitial velocity,u=?

Q: object undergoes constant acceleration after starting from rest and then travels 5 m he first…

A: 4. Given: s1=5 m t1=1 s t2=2 s Formula:

Q: A speeding car travelling a uniform 76ˍm/s passes a police car at rest. What constant acceleration…

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Q: The brakes of an automobile are suddenly applied at the instant when its velocity is 20 m/s. If the…

A:

Q: A new car is supposed to reach 60 m/s from a resting point in 3 seconds. What is the car’s average…

A: Write the kinematic equation

Q: A driver decreases the speed of a car from 45 m /s to 15 m/s in 6 seconds. Find the acceleration of…

A: Initial speed of the car: vi = 45 m/s. Final speed of the car: vf = 15 m/s. The time taken: Δt = 6…

Q: An airplane accelerates from a velocity of 22.77 m/s at a constant rate of 3.27 m/s2 over 557.18 m.…

A: When acceleration of an object is constant, then other quantities like velocity, displacement and…

Q: A bicycle travelling at 2.0 m/s reaches a velocity if 3.2 m/s asfter accelerating at a constant rate…

A: The acceleration of the cyclist can be determined by using the kinematics equation. Here, v, u, a…

Q: The velocity of a bullet is reduced from 4O m/s to 10 m/s for 10 m. What its acceleration. * O 75…

A:

Q: A bullet shot straight up returns to its starting point in 10 s. Ignoring air resistance, what was…

A: Given data: Time taken to return staring point (t) = 10 s Vertical displacement (Δy) = 0 m Required:…

Q: A car accelerates uniformly from rest to a speed of 12.0 m/s in 4.00 s. a. Find the car's…

A: Given data, The speed of the car is, v=12 m/s The time taken is, t=4 s Applying the equation for…

Q: An object, starting from rest, moves with constant acceleration of 4 m/s2. After 8 s, its speed is

A: From Equation of motion we know that V= u + ft, Where V= final speed , u=initial speed , f=…

Q: A car moves with zero initial velocity up to a velocity of 5 m/s with an acceleration of 10 m/s2.…

A: Given data:  Initial velocity (v0) = 0 m/s Final velocity (v) = 5 m/s Acceleration (a) = 10 m/s2…

Q: A sprinter starting from rest on a straight and level track is able to achieve a speed of 16 m/s in…

A: The given situation is belonging to uniform motion, where sprinter starts from rest and travelling…

Q: A car is moving on a straight road 15 m/s. It is acceleration at 30 m/s? . What will be it's…

A: Answer:-  Given  Initial velocity (u) = 15 m/s  Acceleration (a) = 30 m/s2  Time (t) = 5 seconds…

Q: A police car accelerates at a constant rate of 4.0 m/s2 from rest.

A: first calculate the velocity then find displacement using Newton's Laws of motion

Q: A runner travels 100 m in 10.0 s. Assume that it takes him 1.50 s to reach his top speed, which is…

A:

Q: A snatcher is running along a straight line with a constant acceleration. He covers a distance of…

A: Given data: Distance (d) = 70.0 m Initial velocity (Vi) = 0 m/s Time (t) = 8.00 s Required: Final…

Q: If a car comes to a full stop over a distance of 484 m using a constant acceleration of -8.0 m/s2,…

A: Given:- The distance traveled by car is d = 484 m. The constant acceleration of the car is a = -8…

Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.