A stone is thrown downward with a speed of 19 m/s from a height of 17 m. (acceleration due to gravity: 10 m/s2) How long does it take (in seconds) for the stone to hit the ground?

Q: A car traveling at 3.0 m/s has a constant acceleration of 4.0 m/s in the same direction as the…

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Q: A projectile is fired straight up in the air and is traveling at the the first same speed for the…

A: Speed of projectile is same for first 19 second.  t1=19 sec  3 sec after fired, distance traveled =…

Q: A car traveling at 4.0 m/s has a constant acceleration of 2.0 m/s² in the same direction as the…

A: Given Initial speed of car = 4.0 m/s Acceleration of car = 2.0 m/s2 (constant) Acceleration is in…

Q: How long (in seconds) does a sports car travel before coming to rest if its initial velocity is 100…

A: Given data: Initial velocity (v0) = 100 m/s Final velocity (v) = 0 m/s Acceleration (a) = -5 m/s2…

Q: If a vehicle begins at rest and gets up to 72m/s in 16 seconds, what would the vehicle's…

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Q: The maker of an automobile advertises that it takes 13 seconds to accelerate from 25 kilometers per…

A: Acceleration is the rate of change in velocity per unit time. Since it is a vector quantity , it has…

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: I was born in Colorado and 40 years later I live in New Jersey, 1800 miles away. My sister was born…

A: Therefore average speed= total distance travelled/total time

Q: How much time does it take for a car traveling 20.9 m/s to cover a distance of 1200 m?

A: If S be the distance travell with velocity V for a time t ,Then         S=V*t     so t=(S/V)

Q: A car can go from zero to 120 miles per hour in 6.5 seconds. If it can keep its acceleration…

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Q: A French high-velocity train accelerated uniformly from 250km/hr to 325 km/hr as it sped through a…

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Q: If Joe rides south on his bicycle line for 27 min with an average speed of 11.2 km/h, how far has he…

A: The speed of Joe  v=11.2 km/h The time for which Joe rides is   t=27 min=2760ht=0.45  h The distance…

Q: A light plane must reach a speed of 33 m/s for takeoff. How long a runway is needed if the…

A: Given: final speed of plane before takeoff v = 33 m/s constant acceleration  a = 3.2 m/s2

Q: During a takeoff, an airplane goes from 0 to 34 m/s in 9 s.   How fast is it going after 6 s?   How…

A: From kinematics, the expression of velocity in terms of time is:

Q: A cheetah can run at approximately 78km/h and a gazelle is slower by 7 km/h. If both animals are…

A: Given data:  Speed of cheetah = 78 km/h Speed of gazelle = slower by 7 km/h Distance between both…

Q: The triathlete swam 2 miles in 56 minutes. Then, he rode his bicycle 100 miles in 5 hours. Finally,…

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Q: A golf ball is thrown downward at a speed of 10 m/s. If its velocity just before it hits the ground…

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Q: A truck covers 40.0 m in 7.95 s while uniformly slowing down to a final velocity of 1.80 m/s.

A: Given Data : The distance covered by the truck is given as  = 40m. The time taken to travel distance…

Q: In 2.5 s, a car increases its speed from 20.0m/s to 25.0m/s. What is the acceleration of the car? 05…

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Q: Ten seconds after starting from rest, a car is moving at 40 m/s. What is the car's average…

A: Given data The duration of the car is: t = 10 s The initial speed of the car is: u = 0 m/s The final…

Q: A hang glider dropped his cell phone from a height of 350 feet. How many seconds did it take for the…

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Q: What constant acceleration is required for a cheetah to go from rest to its top speed of 87 km/h in…

A: Given:          Initial velocity of the cheetah is u = 0 m/s         final velocity of the cheetah…

Q: You shoot a basketball upward with a velocity of 8m/s from a height of 1m.If your height is 1.8m,…

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Q: Assume the accleration of the object is a(t) = −32 feet per second per second. (Neglect air…

A: Given- Acceleration a=−32 ft/s2 Initial speed u= 60 feet/second

Q: Pikachu run from rest with an acceleration of 2.0 m/s? for the first 20.s and walk with an…

A: According to question we need to find total distance travel ?

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

A: Given : vi = 2 m/s vf = 10 m/s s = 1000 m

Q: If a ball is dropped from a certain height of 51 meters how long will it take to reach the ground?

A: Given height (h) from which it is dropped=51m It is dropped so initial velocity (u) = 0m/s…

Q: A balloon, rising vertically with a velocity of 16 feet per second, releases a sandbag at the…

A: Given, Initial velocity u = 16 ft/s Vertical distance travel s = 64 ft acceleration due to gravity g…

Q: If a tennis ball is thrown upwards and reaches a height of 40m, what will its velocity be once it…

A: Given Data : The height reached by the ball is given as h = 40 m.

Q: How much time is required for an object moving 4.5 m/s to travel 65 m? 13 seconds 14 seconds 15…

A: speed=distancetime given speed(v)=4.5 m/s distance(d)=65 m time(t)=?

Q: A parked police car takes off after a suspect and reaches 65.6 km/h in 6.49 seconds.  What was the…

A: Given data: Average velocity of the car, ∆v=65.6 km/h Time taken, t=6.49 s Our question is to find…

Q: What is the average speed in kilometers per hour for a runner that runs a distance of 5 km in a time…

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Q: A ball was dropped from a rooftop measuring 5.7 m above the ground. How long will it take for it to…

A: Given, Height of the rooftop above the ground, H = 5.7 m

Q: During takeoff, an airplane goes from 0 to 60 m/s in 10 s. How far has it traveled by the time it…

A: Given data:  Initial velocity (Vi) = 0 m/s Final velocity (Vf) = 60 m/s Time (t) = 10 s Required:…

Q: An object was dropped from a building with a total height of 60 m. How long will it take the object…

A: Given  Height ( h) =  60 m  Acceleration due to gravity (g) = 9.80 m/s2  Object is dropped from rest…

Q: A ball was dropped from a rooftop measuring 2.6 m above the ground. How long will it take for it to…

A: Newton's 2nd equation of motion is s=ut+12at2 Here s is displacement, u is initial velocity, a is…

Q: (( What is the average velocity of a man who runs forward at 8 m/s for 9 s and back again at 5 m/s…

A: We’ll answer the first question . Please submit a new question specifying the one you’d like…

Q: A hang glider dropped his cell phone from a height of 450 feet. How many seconds did it take for the…

A: Given data:  A hang glider dropped a cell phone  Height (h) = 450 ft Initial velocity (u) = 0…

Q: Distance vs. Time Velocity Speed in a given Time (min) Acceleration Distance vs. Time A change in…

A: Speed is a magnitude of velocity. hence, velocity is defined as a speed in a given particular…

Q: An object starts from rest and accelerates uniformly. If it moves 3 m during the first second, then,…

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Q: How far will a car travel in 3 seconds if it has an initial velocity of 19 ft/s and decelerated at a…

A: Given data: Time is, t= 3 sec Initial velocity is, v=19 ft/sec Deceleration is, a=-7.333 ft/s2…

Q: A child traveling 5 m/s on a sled passes her younger brother. If her average acceleration on the…

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Q: A raindrop on a drizzly day takes one minute from the time it leaves the cloud until it hits your…

A: ∆t= 1 minute ∆x= 3 miles V¯=∆x∆t=3 miles1 minute=3 miles1 minute*60 minute1 hour V¯=180 mileshour

Q: How much time would it take a fox to accelerate from 2 m/s to 8 m/s at a rate of 2 m/s/s?

A: The equation of motion is given by, v=u+at Here, v is the final velocity, u is the initial velocity,…

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

A: Given data: Case 1: Speed (v1) = 3 m/s Distance (d1) = 4.0 m Case 2: Speed (v2) = 6 m/s Time(t2)= 2…

Q: When an object is thrown upwards,how much speed does it lose each second?

A: An object moving vertically upwards is moving under the gravitational acceleration, which is 9.8…

Q: How long does it take for a ball thrown upward at a velocity of 15 cm to reach a velocity of 10-20…

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Q: what is the velocity of an object that traveled a distance of 1000 m due south in 50 s?

A: There are two types of physical quantities- scalar quantities and vector quantities. The scalar…

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –