If a seagull drops a shell from rest at a height of 14 m, how fast is the shell moving when it hits the rocks?

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: A ball is thrown downward from the top of a building with an initial speed of 15 m/s. Its trikes the…

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Q: If the speed at x = 1, v(x = 1) = 3 m/s then the speed at x 0, v(x=0) is:

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Q: A ball drops from a building and strikes the ground in 4.4 s. The speed (in m/s) with which the ball…

A: Initial speed of ball is zero and the ball‘s motion is under gravitational acceleration only.

Q: A roller coaster reaches a height of 41 m above the ground in its first hill. If a car starts from…

A: According to the law of conservation of energy, the kinetic energy is equals to the potential…

Q: A car is moving at a speed of 50 km/h. Its speed expresses in m/s is 25 m/s 13.8 m/s 20 m/s 30…

A: Speed of car (u) = 50 kmhr Using conversion factor : 1 km = 1000 m 1 hr = 3600 seconds

Q: If a rock of mass 6kg is dropped from a height, and has a velocity of 5 m/swhen it hits the ground,…

A: Given: mass m = 6kg final velocity v = 5 m/s To find: height, s=??

Q: How fast is a dropped object moving after it falls for 4 s?

A: Given data:  Initial velocity (u) = 0 m/s Time (t) = 4 s  Required: Final velocity (v)

Q: At 3 s the position was 3 meters. At 4 s the position as 5 meters. What is the average velocity?

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Q: If a 1 kg ball is dropped from a height of 3 m above the ground, what is the acceleration after is…

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Q: After completing a journey of 84 km. A cyclist noticed that he would take 5 hours at least. if he…

A: Let the speed of cyclist be v Distance cyclist travelled d= 84 km Cyclist take time t= 5 hours If it…

Q: A gazelle runs off of a cliff with a velocity of 9 m/s. It hits the water 4.5 m away from the cliff.…

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Q: What is the acceleration of a person who goes from 4.3 m/s to rest in 2 seconds?

A: given: initial velocity u = 4.3 m/s final velocity v =0 m/s time = 2 sec

Q: height

A: The kinematics equation can be used to find the unknown distance, time, and velocity of an object.…

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: 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: If you could jump with an initial speed at 5 m/a, how many jumps would you need to reach the top of…

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Q: threw a ball straight upwards with initial velocity of 14.5 meter per second. Disregarding air…

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Q: If you throw a rock straight down with a speed of 12.2 m/s off a cliff and it lands 8.55 seconds…

A: It is given that, u=12.2 m/st=8.55 sa=-g=-9.8 m/s2

Q: An object is dropped from rest and impacts the ground with a velocity of 8.7 m/s. What height was it…

A: Given data: The initial velocity of the object (u) = 0 m/s Final velocity of the object when it…

Q: We throw a ball up from rest and it takes 10 seconds to go up. How high did the ball reach?

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Q: What is the impact speed when a car moving at 100km/h bumps into rear of another car travelling in…

A: the imapct speed is

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 car falls from a height of 25 m. How fast does it go to the bottom??

A: The kinematic equation involving the final speed (v), initial speed (u), acceleration (a) and the…

Q: A 1-kg ball is 10-m above a table when it is dropped. How fast is it going right before it hits the…

A: v=2gh=29.8 m/s210 m=14 m/s

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: If a rock of mass 6kg is dropped from a height, and has a velocity of 5 m/s when it hits the ground,…

A: The kinetic energy of the rock just before it hits the ground will be KE=12mv2=126kg5m/s2=75J

Q: A ball is dropped from the roof of a building 40 meters tall will hit the ground with a velocity of:

A: Given data The height of the building is given as s = 40 m. The initial velocity of the ball is…

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

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Q: A ball rolls off the top of a table 1.2 m high and lands on the floor at a horizontal distance of 2…

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Q: A ball is dropped from a building 100m high. If the mass of the ball is 10 grams, after what time…

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Q: A red truck is moving at a constant speed and covered a distance of 95m in 7.0 seconds. It stopped…

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Q: body falls for a time

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Q: A marble drops down from a table. Right before hitting the ground, its velocity is 4.2 m/s. If air…

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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: The average speed of a car is 35 km h-. How far can it travel.in 45 minutes?

A: Given average speed V =35kmh And time t= 45 minutes We have to find the distance travelled by the…

Q: if a car starts from rest and reaches a speed of 20 m/s in 5s, what distance was covered?

A: To find out the distance , we will use equation of motion :  s= ut + 1/2 at^2  where , s= distance…

Q: A 5.2 kg ball is rolling at a speed of 6.3 m/s when it encounters a ramp. How high can it roll up…

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Q: If a cheetah can reach his top speed of 93 km/h in just 3 seconds from rest, what is its…

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Q: a car accelerates from rest at 2 meters per second per second, its speed 3 seconds later will be ot…

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Q: If a 1.3 kg ball is dropped from the top of a 33.7 meter tall building, what is the maximum…

A: Given data The mass of the ball is m=1.3 kg The height of the building is h=33.7 m The potential…

Q: How long must a tow truck apply a force of 600 N to increase the speed of a 1,500 kg car at rest to…

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Q: Billy drops a watermelon from the top of a three-story building, 10 m above the sidewalk. How fast…

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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 toy car is pushed twice. The first time, it moves 8.1 meters in 4 seconds. The second time, it…

A: Data given, First push distance (d1) = 8.1 m time (t1) = 4 sec 2nd push  distance (d2) = 7.3 m time…

Q: When the driver applies the brakes of a light truck traveling 10 km/h, it skids 3 m before stopping.…

A: GIVEN THAT FOR FIRST CASE , u =10Km/h⇒U=10×518=5018=2.78m/s , AND S=3 m FOR THE SECOND CASE u=…

Q: If a trolley starts from rest with an acceleration of 2 m/s, the velocity of the body after 4 s…

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Q: A roller coaster car rapidly picks up speed as it rolls down a slope. As it starts down the slope,…

A: Initial speed of roller coaster car = 4 m/sfinal speed of car = 22 m/sTime taken = 3 seconds

Q: If a baseball is dropped from a skyscraper, what will its speed (velocity) be after 4.5 seconds…

A: let baseball is dropped with zero initial velocity u=0 since there is no air resistance a=g=9.8 m/s2…