Erica throws a lawn dart upward from a height of 1 meter above the ground. The lawn dart reaches a maximum height of 40 m. a) Find the initial velocity of the lawn dart (Answer: 27.6?̂ ? ? ) b) How long after launch does the lawn dart reach its maximum height? (Answer: 2.82 s) c) How long after launch does the lawn dart hit the ground? (Answer: 5.68 ?)

Q: To find the depth of a water well at home, Martha and Amira drop a heavy rock into the well. After…

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Q: velocity

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Q: 4. A bomb is dropped by a B1 bomber flying level at 400m/s [N]. The bomb strikes the ground 5…

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Q: A basketball referee tosses the ball straight up for the starting tipoff. At what speed must a…

A: The final velocity of the system is 0, the distance raised by basketball player is 1.45m.

Q: A student drops a ball from a height of 37.0m. If the ball increases speed at a uniform rate of…

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Q: A sack slides off the ramp with a velocity of 12 m/s. If the height of the ramp is 6 m from the…

A: Option 4 is the right ans. 1.11 s / 13.3 m

Q: A stone vertically thrown downward with an initial speed of 20.0 m/s from the roof of a building,…

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Q: The basketball bounces straight back up off the ground and reaches a maximum height of 4.00m.…

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Q: A girl throws a rock horizontally, with a velocity of 8.00m/s, from a cliff. The stone takes 3.10s…

A: Write the given values with suitable variables. ux=8 m/suy=0t=3.1 s Here, ux denotes the initial…

Q: 5. A ball is thrown vertically upwards with an initial speed of 120 m/s: A) What will be the speed…

A: Given data :  Initial speed(u)=120m/sThe ball is thrown vertically upward, so the angle with…

Q: a)  What is the man’s displacement ?  b)  What is the man’s average speed if the entire trip takes…

A: man walks 20 km south and then 8 km to 35 N of Win above…

Q: b) A ball is dropped from rest from a height of 20.0 m above the ground: i) How long will it take…

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Q: A car starts with an initial velocity of 5 m/s and accelerates at 3 m/s?. a) Find the time needed…

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Q: A ball is thrown vertically upwards with a velocity of 15 m s-1 from the top of a multistorey…

A: Calculating the maximum height attained by the ball above the building:

Q: A ball is thrown directly upward at a speed of 64 feet per second from a cliff that is 80 feet above…

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Q: A model rocket is launched from the ground with a voy = 120m/s.                       a) How high…

A: Given, voy = 120m/s    a) How high does the rocket go We know the expression for the third equation…

Q: A vollyball player hits a ball vertically upwards with an initial velocity of 7.0 m/s. What is the…

A: What is the maximum height the ball attains. given, initial velocity(u)= 7.0 ms-1

Q: b) A ball is dropped from rest from a height of 20.0 m above the ground:i) How long will it take the…

A: The objective of the question is to find out the time it takes for the ball to hit the ground and…

Q: Estimate how long it took King Kong to fall straight down from the top of the building (376m high) I…

A: Given data: Height of the building, S=376 m Our question is to find; (a) Time (t) taken by the…

Q: A ball is kicked from the ground with an initial velocity of 22 m/s at an angle of 35 degrees. The…

A: (a) The total time of flight of the ball is, t=2v0sinθg=222 m/ssin35°9.8 m/s2=2.58 s

Q: A rock is thrown upward with an initial velocity of 15 m/s from a 200 m tall building. a) how long…

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Q: A man is walking when he sees a pond. He tosses fish food horizontally from 2.64m away and it drops…

A: Given data:here, x is the horizontal distance, y0 is the initial height, y is the final height,…

Q: A basketball referee tosses the ball straight up for the starting tip-off. At what velocity (in m/s)…

A:

Q: A ball was thrown vertically upward from a building 150 m high with an initial velocity of 25 m/s.…

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Q: A tennis ball is thrown vertically up and reached a maximum height of 45.6 m relative to the ground.…

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Q: A ball is thrown vertically  upward from the top of a building with an initial velocity of 20 m/s at…

A: a) Let u be the initial speed, s be the distance and a be the gravitational acceleration. Evaluate…

Q: A rock is dropped from a bridge to the water below. It takes 5.25 deconds for the rock to hit the…

A: Time of flight t = 5.25 s Initial velocity u = 0 m/s

Q: An arrow is fired straight up from a 25.0m high tree top. a)how fast is it moving at the peak of its…

A: The arrow is fired straight up from a height of 25 mSo, initially, the arrow has a potential energy…

Q: A baseball is thrown upward from the starting point (x and y zero) at an upward velocity component…

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Q: A diver drops from a 10m platform with an initial velocity of 0. What was the velocity immediately…

A: Given Initial velocity (u) = 0 Height = 10 m

Q: A ball is dropped from rest from the top of the building. What is the velocity of the ball 3.0…

A: A ball is dropped, therefore the initial velocity is 0m/s. u=0m/s Assuming body is undergoing…

Q: A ball falls from the roof of a building and takes 4 seconds to reach the ground. a) What is the…

A: Given:- The ball fall from the roof of the building  it takes t = 4 sec to reach the ground  Find:-…

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 –