If gravity accelerates you at 9.80m/s2 when you fall, what velocity would you have after falling 1 second? How fast would you be falling after 5.0 seconds?

Q: You are in a hot-air balloon and descending toward the ground at 20.0m/s. You toss a stone…

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Q: Nerve impulses typically travel through the body at about 150 miles/hour. Imagine dropping a brick…

A: Given : v = 150 miles/hour = 67.056 m/s d = 1 meter g = 9.8 m/s2

Q: 8. An astronaut on the Moon throws a baseball upward with an initial velocity of 10 meters per…

A: Given data : Eq. of baseball pathway on Moon : h=-0.8t2 +10t +2 Eq. of baseball pathway on Earth :…

Q: A ball is thrown into the air by a baby alien on a planet in the system of Alpha Centauri with a…

A: The height of the ball is given by the expressiony=46t-21t2Comparing this equation with kinematical…

Q: Spaceship Malfunction. You and your team get a distress call from another ship indicating that there…

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Q: A bored astronaut on an alien world launches projectiles at a nearby hill. The projectiles are…

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Q: What is the particle's instantaneous velocity in the y-direction vy at t=0.250s?   What is vy at…

A: Here, we use the definition of instantaneous velocity to get its value at the given moments.

Q: A person is at a certain level below the 4th floor of an elevator. The elevator can have an…

A: Height of 4th floor=12×4=48 feetH=576 inchacceleration=7.2 in/s2deacceleration=3.6 in/s2…

Q: OK, this is the last time for one of these crazy adventures. THIS time, though, there is a window in…

A: Solution: We can use the equation of motion for an object in free fall to solve for the acceleration…

Q: OK, this is the last time for one of these crazy adventures. THIS time, though, there is a window in…

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Q: Find a) the distance travelled after 5sec. b) the velocity after this time.

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Q: OK, this is the last time for one of these crazy adventures. THIS time, though, there is a window in…

A: In the given question, Initial height of the ball (h) = 2.15m Time required by the ball to hit the…

Q: You are standing next to an old well. You want to know how far down the surface of the water is (you…

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Q: OK, this is the last time for one of these crazy adventures. THIS time, though, there is a window in…

A: Given data Height of ball ( h ) = 2.33 m Time taken by ball to hit the ground ( t ) = 0.378 s…

Q: Suppose you toss a basketball upward while standing still with an initial velocity of 7…

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Q: While standing at the second floor balcony in an apartment building at 3 meters above the ground,…

A: height of second floor = y1 = 3 mheight of seventh floor = y2 = 12 minitial velocity = V0 = 17…

Q: OK, yet another strange awakening in a room with no windows. This time you drop a ball from a height…

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Q: OK, yet another strange awakening in a room with no windows. This time you drop a ball from a height…

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Q: When an object is thrown upward, gravity causes it to slow down at a speed of 1 g-speed decreases by…

A: Part (a) Suppose an object is thrown upward with some initial speed, at the highest point it comes…

Q: THIS time, though, there is a window in the floor, and you can see that you re in a rocket which has…

A: Here acceleration of ball with respect to alien world is euqal to accelaration of rocket plus…

Q: Dennis is sitting in the back of a station wagon traveling 75.0 mph on the highway. He fires a…

A: To find the speed of the pebble relative to the road, you need to add the speed of the pebble and…

Q: While riding on an elevator descending with a constant speed of 2.6 m/s, you accidentally drop a…

A: We have GivenElevator descending with constant speed =2.6 m/s

Q: An alien called UngaBunga from planet TungaBunga, throws a ball directly up at a speed

A: d=ut+0.5at230 m=20 m/s2 s+0.5a2 s230 m=40 m+2aa=-5.0 m/s2

Q: A car starts from rest and accelerates at 6 m/s² eastward for 3 seconds, then maintains that…

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Q: The acceleration due to gravity on the surface of a planet depends on the mass and size of the…

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Q: 21. An astronaut on the Moon throws a baseball upward with an initial velocity of 10 meters per…

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Q: You toss a tennis ball straight upward. At the moment it leaves your hand it is at a height of 1.5 m…

A: The objective of the question is to find the speed of the tennis ball when it is at a height of 2.2…

Q: How far does a rocket accelerating at 12m/s^2 travel in 120 seconds? What is its speed at this…

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Q: OK, this is the last time for one of these crazy adventures. THIS time, though, there is a window in…

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Q: Christopher watches a stick float downstream in a river and notices that it moves 15 m [El in a time…

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Q: A ball is released from rest from the top of the empire state building. Use g=9.8 m/sec^2 and ignore…

A: Acceleration is the rate of change of velocity, most often with an increase observed, of an object…

Q: Superman starting from rest has an acceleration of 10m/s 2 up. He makes it 127m into the air before…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: At one moment aN object in free fall is moving upward with a velocity of 30m/s  . How fast would the…

A: Newton's equation of motion for final velocity is,

Q: A tourist at a rim of a canyon yells "hello!" toward the opposite side. She hears the echo "hello"…

A: Given data The speed of the sound is given as v = 340 m/s. The time duration to hear the echo sound…

Q: A three-wheeler starts from rest, accelerates uniformly with 1 m s-2 on a straight road for 10 s,…

A: The equation for the distance covered by an object in nth second is

Q: f s’(t) = v(t), and s’’(t) = a(t), use the fact that integration reverses differentiation (+C) and…

A: The time derivative of the position function gives velocity and the time derivative of the velocity…

Q: You shoot a ball straight up with an initial speed of 8490 m/s. When it reaches a height of 4.0 x 10…

A: Given, v0=8490 m/sh=4.0×106 m

Q: You are running away from a super villain and need to jump off of a roof hat is 180 m tall. If you…

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Q: An electron is moving in a straight line with a initial speed of3E5 m/s. It then undergoes an…

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Q: How much distance did the package travel in the x-axis if the plane was 200m above the ground? (Let…

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Q: The Hulk, on the 75th story of Stark Tower (225 m off the ground), sees Tony drop his penny. He…

A: Given: Height or displacement from 75th story to ground, s=225 m When penny reaches Tony it comes to…

Q: Sometime in the future, we will develop a space ship which can go up to half the speed of light. On…

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Q: twelve story building and look over the edge to the reflecting pool 170 feet below. You drop your…

A: We know that the third equation of motion is given as  v2= u2+2as here v is the final velocity, u is…

Q: Playing jackstone as a kid, you discovered that there is a certain time before the rubber ball falls…

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Q: OK, this is the last time for one of these crazy adventures. THIS time, though, there is a window in…

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Q: OK, this is the last time for one of these crazy adventures. THIS time, though, there is a window in…

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!