A car slows down at -5.00 m/s? until it comes to a stop after travelling 15.0 m. What was the initial speed of the car? (Unit = m/s)

Q: A motorcycle starts from rest and and gets to a speed of 11.27 m/s in 15.5 s .Assuming that the…

A: Speed of the motorcycle(v)=11.27m/s. Time take(t)=15.5 s. Acceleration a=v/t=11.2/15.5=0.722m/s2.…

Q: A bicyclist in the Tour de France has a speed of 29.0 miles per hour (mi/h) on a flat section of the…

A: Speed value, v = 29.0 mi/h

Q: A parked police car takes off after a suspect and reaches 61.6 km/h in 7.94 seconds.  What was the…

A: Initial velocity= 0 m/s Final velocity= 61.6 km/h Time taken to achieve this velocity= 7.94 sec

Q: A car has acceleration of 1.20 m/s2 and starts from 2.50 m/s. What is its speed after 5.00 seconds,…

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Q: A falling stone takes 0.31 s to travel past a window 2.2 m tall. From what height above the top of…

A: Newton's 2nd and 3rd equation of motion falling an object is defined as h=ut-12gt2v2=u2-2gh Here, h…

Q: A car travels along a straight stretch of road. It proceeds for 13.5mi at 58mi/h, then 27.7mi at…

A: Given In first step Car travels 13.5 mile or 21.73 km at 58mi/h or 93.34 km/h  In second step Car…

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 jogger jogs around a circular track with a diameter of 225 m in 10. minutes. What was the jogger's…

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Q: An acorn drops from a tree and takes 1.18 seconds to hit the ground. What height did it fall from?

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Q: A cat is tossed up in the air with a velocity of 15 m/s. How high did the cat rise? 1.

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Q: A car moving at 3.01 m/s accelerates at a rate of 1.80 m/s/s as it drives a distance of 203.0 m. How…

A: Given data The initial velocity of the car is: u = 3.01 m/s The acceleration of the car is: a = 1.8…

Q: A car slows down (or speeds up) from a speed of 29 m/s to a speed of 48.9 m/s over a distance of 732…

A: If a car speeds up then it means it's accelerating and a is positive.  If a car is slowing down then…

Q: Mira walked 120.0 meters in 75 seconds. How long will she have to walk the next 80.0 meters in order…

A: The average speed is the ratio of total distance traveled to the total time taken and the relation…

Q: Cyclists in the United Kingdom reach speeds of 34.0 miles per hour (mi/h) on flat sections of the…

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Q: A caterpillar travels across the length of a 2.00 m porch in 6.5 minutes. What is the average…

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Q: The velocity of a car traveling in the positive direction decreases from 34 m/s to 26 m/s in 3.5…

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Q: Abdul, while driving to school. computes the average for his trip to be 20km/h. On his return trip…

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Q: convert velocity of 54 m/s to miles/hour. (1 mile =1.6)

A: Given data: Velocity (v) = 54 m/s 1 mile = 1.6 km Required: Velocity in miles/hour

Q: Rocket-powered sleds are used to test the human response to acceleration. If a rocket-powered sled…

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Q: As you ride a bicycle on the sidewalk with a speed of 5.01 m/s, a ball suddenly rolls out in front…

A: To determine: The time taken to stop the bicycle when the ball suddenly rolls out in front of the…

Q: An object falls from a high building and hits the ground in 9.0 seconds. Ignoring air resistance,…

A: Given data:  Object free fall from a building Initial velocity (v0) = 0 m/s Time (t) = 9.0 s…

Q: At a track meet, a runner runs the 100–m dash in 19 s. What was the runner's average speed? =______…

A: Given data The distance covered is d=100 m The time is t=19 s   The runner's average speed is  SR=dt

Q: The graph below describes the relationship between velocity and time for a moving object. Velocity…

A: Given data:  Velocity-time graph Required: Acceleration of the object at t = 8 s

Q: Marisa's car accelerates at an average rate of 2.6 m/s?. Calculate how long it takes her car to…

A: Given data:  Acceleration (a) = 2.6 m/s2 Initial velocity (Vi) = 24.6 m/s Final velocity (Vf) = 26.8…

Q: The driver of a car traveling down the interstate slams on the brakes, causing the car to skid to…

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Q: A car traveling with an initial velocity of 23.67 m/s to the east, sees a wall 78.64 meters to its…

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Q: The average speed of a car is 27 m/s during the first 10 seconds of acceleration. What is the…

A: Given: The average speed of the car is 27 ft/s. The time interval is 10 s. The acceleration of the…

Q: An object has a speed of 2.00 m/s. Three seconds later it is going 8.00 m/s. What average…

A: Given data:  Initial speed (Vi) = 2.00 m/s Time taken (Δt) = 3 seconds  Final speed (Vf) = 8.00 m/s…

Q: A car is moving 14.4 m/s. It decelerates at -1.55 m/s? for 4.26 s. It then accelerates at 1.83 m/s?…

A: Given; u=14.4 m/sa1 = -1.55 m/s2t1= 4.26 sa2=1.83 m/s2v2 = 11.8 m/s

Q: The driver of a car traveling down the interstate slams on the brakes, causing the car to skid to…

A: We can use equations of kinematics to calculate time taken by car to stop. Equations of kinematics…

Q: traveling at 95.0 km/hr. The driver steps on the brakes and the car comes to a stop in 60.0 m. nat…

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Q: The car then slows to 63 ft/s (43 mi/h) in 3.5 s. What is the average acceleration for this time…

A: GIven, Velocity of car v =63 ft/s Time taken t = 3.5 s

Q: A man drives a car in a straight line south along a highway. He travels with a velocity of 112.6…

A: Let a man travels the distance “d” in the southward direction. The expression for the velocity is…

Q: A rocket starts from rest and is traveling 25 km/h after 1.2s. Calculate its acceleration.

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Q: A cyclist travels 45 km in 4.8 hours. What is its average speed in m/s?

A: Given : d = 45 km = (45)(1000) = 45000 m t = 4.8 hours = (4.8)(3600) = 17280 seconds

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

A: Write the given values with the suitable variables. a=-2 m/s2d=25 mv=0 m/s Here, a is the…

Q: A car travels 1000 m at 50 m/s and 1000 m at 20 m/s. What is the average speed of the motorist for…

A: Determine the time taken by the car during both the motions at the speeds of 50 m/s and 20 m/s,…

Q: A Ferrari sports car can accelerate from rest to 81 km/h (about 60 mi/h) in 1.5 s. What is its…

A: Given initial velocity of car = u = 0 final velocity of car = v = 81 km/h time taken = t = 1.5 s We…

Q: A runner runs 300 m at an average speed of 3.0 m/s. She then runs another 300 m at an average speed…

A: Given data  D1=300 mv1=3  m/sD2=300 mv2=6 m/s Average value of a measurement Vavg=v1+v2+v3+...n

Q: A car accelerates at a constant rate from zero to 32.9 m/s in 10 seconds and then slows to 8.9 m/s…

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Q: A jogger jogs around a circular track with a diameter of 225 m in 16 minutes. What was the jogger's…

A: Given data:  Diameter of circular track (d) = 225 m Time (t) = 16 minutes Required: The average…

Q: A toy car starts from rest and reaches a speed of 5.13[m/s] in 1.13[s]. How far did the car travel…

A: The initial speed of the toy car, v0 =0 m/s  The final speed of the toy car, v=5.13 m/s Time…

Q: A jogger jogs around a circular track with a diameter of 375 m in 15 minutes. what was the joggers…

A: GivenDiameter of circular track d = 375mtime taken t = 15 minutes

Q: If a car travels at an average speed of 105 km/hr for a time of 45.0 min, calculate the distance…

A: Given data:  Average speed of car (vavg) = 105 km/hr Time (t) = 45.0 min Required: The distance…

Q: A motorcycle accelerates at a constant acceleration of 3.0 m/s^2. starting from rest, what is its…

A: Given  Initial velocity u=0m/s Acceleration a=3m/s2 Time t=2s