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 going after 4 seconds?

Q: A plane is flying at a velocity of 12m/s, if this accelerates and it reaches a velocity of 20m/s,…

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Q: A car starts from rest and accelerates uniformly to reach a speed of 21 m/s in 7.0 s. What was the…

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Q: A car brakes from a speed of 20 m/s and comes to a stop. If the deceleration is −3.2 m/s2, how far…

A: Using equations of motion, Considering that the final velocity of the car is zero,

Q: The speed of an object is 4 m/s.  How far, would it travel in 2 hours?

A: The expression for find distance is d=vt

Q: what is the speed does a meter stick move if its length is observed to shrink to 0.5 m?

A: Given data:  Original Length (L0) = 1 m Contracted length (L) = 0.5 m Required: The speed (v) of the…

Q: A spaceship travels at a speed of 62 ft/ms convert its speed to km/s ( by mean milisecond)

A: Given data:  Speed of the spaceship (v) = 62 ft/ms Required: Speed in km/s

Q: . A drag racer accelerated from 0 m/s to 200 m/s in 5 s. What was the cceleration?

A: Given  Initial speed u=0m/s Final speed v=200m/s time t=5s

Q: A 2,000kg car is moving at 30m/s hits a 1,500kg car moving at 12m/s going in the same direction. The…

A: The given values are, m1=2000 kgv1=30 m/sm2=1500 kgv2=12 m/s

Q: In a track meet a sprinter runs 400 meters in 100 seconds what was the sprinters average speed

A: Requried : In a track meet a sprinter runs 400 meters in 100 seconds what was the sprinters average…

Q: A ship is moving at a speed of 56km/h. One second later, it is moving at 58km/h. What is its…

A: Given data:-u=56 km/h=(56×518)m/sec=15.55 m/secv=58 km/h=58×518m/sec=16.11 m/sect=1 sec

Q: The cat runs a constant speed of 9.7 m/s. If the cat runs a total of time of 7.1 mins. How much…

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Q: A BMW convertible travels on the German autobahn at a speed of 128 km/h. What is the speed of the…

A: Given data: Speed (v) = 128 km/h Required: Speed of the car in m/s and in mi/h

Q: A car moving at 24 m/s skids to a stop in a distance of 30. meters.  How long (in seconds) did it…

A: Given data:  Initial velocity (V0) = 24 m/s Distance traveled (s) = 30 m Final velocity (V) = 0 m/s,…

Q: You drop a ball from rest, at 15.4 seconds how fast is it traveling in m/s? (round your answer to…

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Q: You are leaving for a concert that starts in 5hours and is 335 miles from your house. What average…

A: Given : t = 5 hours d = 335 miles

Q: We throw a ball upwards with an initial velocity of 7m/s, the ball reaches a height of 60m and the…

A: Using 2nd kinematic equation: H = U*t + (1/2)*a*t^2 U = Initial speed of ball = 7 m/s t = time…

Q: What is the acceleration of a car that increases its velocity from 0 to 100km/h in 10s?

A: Given:Initial velocity of the car = 0 km/hFinal velocity of the car = 100 km/hTime taken = 10 s

Q: A car starts from rest, speeds up with constant acceleration, and travels 200 meters in 5 seconds.…

A: Given data The car travels a distance of d = 200 m. The time taken by the car is t = 5 sec. The…

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

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Q: A sprinter starts from the rest and finishes a race going 3.3 m/s. If the race took 8 seconds, what…

A: From kinematics, the expression of the final velocity is:

Q: What is the acceleration on a 45.7kg object that is maintaining a constant speed of 1.2m/s?

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Q: A cheetah can accelerate from rest to a speed of 26.0 m/s in 4.25 s. What is its acceleration?

A: Given:Initial velocity of cheetah, u = 0 m/sFinal velocity of cheetah, v = 26.0 m/sTime taken, t =…

Q: You lock up the brakes on your new Ferrari and skid to a tire screeching stop in 88 feet. Calculate…

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Q: If your car accelerates from rest to 30.0 m/s in 8.0 seconds, what is its acceleration? Using that…

A: a=v-u∆t=30.0 m/s-0 m/s8.0 s=3.75 m/s2

Q: If a car stopped at a traffic light acceleration and reaches 70m/s in 5s. What was the car’s…

A: Given data: Initial speed of the car is (u) = 70 m/s Time taken to stop the car is (t) =5 s Use…

Q: A car starts from rest, speeds up with constant acceleration, and travels 480 meters in 6 seconds.…

A: The given values are,

Q: Without turning around a dog walks along a long straight path for 4.0m at 3.0m/s and then for 2.0s…

A: The average speed is defined as the total distance traveled by an object divided by the total time…

Q: A rock is dropped from a sea cliff, and the sound of it striking ocean is heard 3.4s later. If the…

A: Let t1 be the time taken by the rock to reach the ocean and t2 be the time taken by the sound to…

Q: Oliver traveled 100 km at a certain speed. In going back, he increased his speed by 10 km/hr. If it…

A: Let the original speed of Oliver be u. So, the velocity of Oliver in going back will be:

Q: A car initially at rest, accelerates for 5.5 s and has a final speed of 11.5 m/s. What was its…

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Q: A rock is thrown straight down from a cliff at a velocity of 3.7 m/s and hits the ground below after…

A: Given data:  Initial velocity (Vi) = 3.7 m/s, downward  Time (t) = 1.8 seconds Acceleration due to…

Q: Chris cycles at an average speed of 8 mph. If he cycles for 6- hours, how far does he travel?

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Q: A car, initially at rest, travels from 0m/s to 18.9 m/s in 28.1 s. What is the car's acc

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Q: A car passes you going 10.4 m/s and accelerates smoothly up to 25.0 m/s in a time of 8.25 s.  What…

A: Given data The car's initial speed is: u = 10.4 m/s The car's final speed is: v = 25 m/s The time…

Q: An ice skater accelerates backwards for 5.0 seconds, to a final speed of 12 m/s, moving backward. If…

A: Given data The time is t=5.0 s The final speed is v=12 m/s The acceleration is a=1.5 m/s2   The…

Q: A plane is flying at a velocity of 12m/s, if this accelerates and it reaches a velocity of 20m/s,…

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Q: What is the acceleration of a train that moves from rest to a speed of 25 m/s in 30.0 seconds?

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Q: A train accelerates uniformly from a velocity of 2 m/s to a velocity of 10 m/s after travelling…

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Q: Two vehicles Pictured below are 3.5 miles apart. take them to meet How long will it Dother? give 15…

A: Given data:  Distance between two vehicles (d) = 3.5 miles Velocity of vehicles 1 (V1) = 15 mph…

Q: A truck travelling at 35 m/s slows down to 30m/s over a distance of 13meters. What is the…

A: Using kinematics, 2as=v2-u2a=v2-u22s

Q: A person riding their bicycle accelerates to a speed of 19.0 m/s over a distance of 298 meters. If…

A: Let the initial velocity of the person be u = 0, the final velocity of the person be v, the distance…

Q: A 5000ton frieight is moving at a speed of 10mph next to it a 3250lb Ferrari is moving at a speed of…

A: The equation for momentum is, p=m×v Here, m is the mass, and v is the velocity.

Q: A couple traveled at an average speed of  60mph  for a cross-country trip. If the couple drove…

A: Given data:  Average speed (Sav) = 60 mph Distance traveled (d) = 1320 mi Required: Time (t) taken…

Q: The zombie then flies backward with an initial velocity of 30 m/s and slides to a stop on the…

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Q: A car in a movie moving at 20 m/s flies off a cliff that is 74.3 m tall. How far does the car travel…

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Q: Calculate the speed of a dog running through a field if he is covering 23.7 meters in 54 seconds.

A: Given data :        Time = t        Distance = D         To find :                 Speed of dog

Q: The cat runs a constant speed of 6.4 m/s. If the cat runs a total of time 76.7 mins. How much…

A: Given: Speed (S)  = 6.4 m/s Time (t) = 76.7 min = 4602 second        .......(1 min = 60 s)