An object is in freefall. It remains in freefall for 5 seconds before it hits the ground. How high was the object when it first started falling if its starting velocity was 0? (Acceleration due to gravity is -9.8 meters/second'2). O 15 meters O 122.5 meters O 49 meters O 245 meters

Q: A toy rocket is launched from ground level with the initial velocity of 96 ft./s  How many seconds…

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Q: velocity

A: We have : h=12t2+12t We have to find the velocity of the balloon at the end of the 39 sec.

Q: A body moves along a straight line according to the law s = 0.513 – 21, the units being in feet and…

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Q: A stone is dropped from the edge of a roof, and hits the ground with a velocity of -175 feet per…

A: Use v^2 = u^2 +2gh

Q: Hooke’s law states that the distance that a spring is stretched by hangingobject varies directly as…

A: Let distance= y Mass of the object= x According to the question y=kx  k=constant  Given that y=20…

Q: A stone is dropped from the edge of a roof, and hits the ground with a velocity of -155 feet per…

A: We will find out the required value.

Q: A particle has a velocity at time of 4, + 2t meters per minute, where is in minutes. Estimate how…

A: To find the distance traveled using 4 intervals

Q: A cannonball is fired directly upward from a height of 0 feet, with an initial velocity of 220 feet…

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Q: A 16 foot ladder is leaning against a wall. If the top of the ladder slides down the wall at a rate…

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Q: A stone is dropped from the edge of a roof, and hits the ground with a velocity of -110 feet per…

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Q: 3. What is the velocity after 7 seconds?

A: Explanation of the answer is as follows

Q: The horizontal and vertical components of the velocity of an arrow shot into the air are 16.1 feet…

A: To Determine: The horizontal and vertical components of the velocity of an arrow shot into the air…

Q: The horizontal and vertical components of the velocity of an arrow shot into the air are 16.1 feet…

A: Given data: The horizontal and vertical components are vx and vy respectively.

Q: A stone is dropped from the edge of a roof, and hits the ground with a velocity of -120 feet per…

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Q: A stone is thrown vertically upward from the ground with an initial velocity of 40 ft/s. How high…

A: Solution :  Given that  Initial Velocity u = 40 ft/s  Final Velocity V = 0 Height  h = ?

Q: On a certain planet's moon, the acceleration due to gravity is 2.6 m/sec. If a rock is dropped into…

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Q: 10. A stone is dropped from the top of a building 1024 ft. high. When does it hit the ground and…

A: Solution : We have given that a stone is dropped from the top of a building 1024 ft. high. And we…

Q: A projectile fired downward from a height of 112 ft reaches the ground 2 seconds. What is the…

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: - An object travels 8 miles in 20 minutes at a constant speed. What is the obiect's speed in miles…

A: Object travels 8 miles in 20 mins 20 mins = 20/60 hrs = 1/3 hrs Then speed = dist / time

Q: A stone is thrown straight up from the edge of a roof, 700 feet above the ground, at a speed of 20…

A: According to given, Lets assume positive values are upwards, negative downwards. So a(0) =…

Q: A potato is launched vertically upward with an initial velocity of 101 ft/s from a potato gun at the…

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Q: A stone is dropped from the edge of a roof, and hits the ground with a velocity of -175 feet per…

A: see below the answer and calculation

Q: 10. A stone is dropped from a building 256 ft high. How long it takes the stone to reach the ground?…

A: As per given information: Height of building: h=256ft. a) As the formula: As stone is dropped so…

Q: The rock hits the surface after 5.38 seconds. With what velocity will the rock hit the surface?

A: Given H=15t-2.79t2 Velocity can be obtained with  differentiation of height. V=dH/dt

Q: A cannonball is fired directly upward from a height of 0 feet, with an initial velocity of 220 feet…

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Q: A stone is dropped from the edge of a roof, and hits the ground with a velocity of -160 feet per…

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Q: 2. A airplane, flying with the wind, took 2 hours to travel 1000 km and 2.5 hrs in flying back. What…

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Q: What is the velocity of an object falling from 6m high cliff?

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Q: A ball that is dropped from a window hits the ground in 6 seconds. How high is the window? (Give…

A: Given t = 6s and g = 32.

Q: An object dropped from a height of 180 meters   hits the ground with velocity ???

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Q: An object thrown downward from a 500-m cliff travels 57.2 m in 3 sec. What was the initial velocity…

A: We have to find the initial velocity of the object.

Q: Assume that a watermelon dropped from a tall building falls y= 162 ft in t sec. Find the…

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Q: The London Eye is a Ferris wheel in London, England, that travels at a speed of 0.26 meter per…

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Q: A stone is dropped from the edge of a roof, and hits the ground with a velocity of -110 feet per…

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Q: A projectile is shot upwards from the surface of the earth with an initial velocity of 120 meters…

A: To determine: The velocity of a projectile after 6 seconds and after 9 seconds where a projectile is…

Q: what is the terminal velocity? 5 meters/second How long before the object reaches 90% of terminal…

A: As you have mentioned we have to answer 'last few unanswered parts' We already have v(t)=50-50e-0.2t…

Q: A projectile fired downward from a height of 112 ft reaches the ground 2 seconds. What is the…

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Q: An object is thrown vertically upward with an initial velocity of 16 ft/sec from the top of a house…

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Q: A baseball diamond is a square, 90 feet on the side. A runner runs from second base to the third…

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Q: 11. A ball is thrown vertically upward with a speed of 25.0 m/s from a height of 2.0 m from the…

A: Calculate the time taken to reach the highest point and then from the highest point to the ground…

Q: 12. A baseball player is running from the second based to the third base at 20 ft./s. At what rate…

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Q: An impulse of -9 N*sec is applied during 3 seconds to a 2Kg mass, the acceleration is:

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Q: A stone is dropped from the edge of a roof, and hits the ground with a velocity of -105 feet per…

A: NOTE: Refresh your page if you can't see any equations. . here we have

Q: What constant acceleration will bring an automobile traveling 60 mph to rest in 160 feet?

A: Explained below

Q: OA man 6 ft tall walks at a rate of 6 ft/sec away from a lamppost that is 19 ft high. At what rate…

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Q: 9. If a rock is thrown vertically upward from the surface of Mars with velocity 15 m/s, its height…

A: Height of the rock after t seconds which is thrown vertically upward from the surface of the Mars…

Q: A ball is thrown vertically upward from the top of a tower 120 ft. with a velocity of 55 ft./sec.…

A: we will use the formula s=ut+12gt2v=u+gt where s is the height,           u is the initial velocity,…

Q: 1. A ball is thrown up in the air from a cliff with the initial speed of 10 meters per second and…

A: Velocity displacement problem

Q: An earthquake occurred at 9:40 A.M. on Nov. 1, 1755, at Lisbon, Portugal, and started a tsunami…

A: The given data is: The velocity of the wave is vw=540 ft/sec The period of the wave is:  T=30…