A stone is thrown straight with a speed of 22m/s. It is caught on its way down at a point 6.5m above the position it was thrown. a) How fast was it going when it was caught? b) How long did the trip take?

Q: After solving a difficult physics problem, an excited student throws his book straight up. It leaves…

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Q: A boy stands daydreaming as his friend runs by at the constant speed of 3.68 m/s. After 1.39 s, the…

A: Given: The constant speed of the boy's friend is 3.68 m/s. The initial speed of the boy is 0 m/s.…

Q: 15. A ball is thrown vertically upward with an initial speed of 25.0 m/s. a) How high does it rise…

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Q: A rocket starting from rest rises vertically and accelerates at a constant rate of 13 m/s2 for 7…

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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: An object is thrown vertically upward. It has a speed of 40 ft/s when it has reached one-half its…

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Q: Calculate the height of a cliff if it takes 2.25 s for a rock to hit the ground when it is thrown…

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Q: Problem 1: If it takes 3 s for a ball to strike the ground when it is released from rest, determine…

A: We are given time required to reach the ball to the ground. We first determine the height from which…

Q: You throw a ball straight up with an initial velocity of 15.4 m/s. It passes a tree branch on the…

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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: 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: A ball is thrown upward from roof top, 90 m above the ground. The ball rises, then falls and hits…

A: Given data *The given height of the roof is h = 90 m *The time taken by the ball to reach the ground…

Q: A rocket blasts off vertically from rest on the launch pad with a constant upward acceleration of…

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Q: An express train passes through a station that is 212 m long. It enters with an initial speed of…

A: length of station (L) = 212 m Initial speed of train (u) = 22.5 msacceleration (a) = -0.13 ms2

Q: How much time, at most, does the man have to get out of the way?

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Q: A spaceship starts at rest, and then launches vertically into the air with an upward acceleration of…

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Q: The driver of a car slams on the brakes when he sees a tree blocking che road. The car slows…

A: Speed is the distance traveled per unit of time. Here, we calculate the given as follow;

Q: a car moving on a straight road with a=6-2t (0<t<6 ,containing 0 and 6);in t=0 the displacement and…

A: Denote the displacement &amp; the velocity at time t = 0 s with x0 &amp; v0 respectively.

Q: (a) How much is the initial speed vo? (b) What is its speed just before hitting the base of the…

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Q: A cyclist due east accelerates at a constant 3.5.0m/s2 after leaving a sign-post. At the time, t=0…

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Q: You are standing on the edge of a cliff of an unknown height and decide to throw a rock straight up…

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Q: A motorboat starting from rest on a lake accelerates in a straight line at a constant rate of 3.0 m…

A: Given : initial velocity of the boat = 0 m/s Acceleration of the boat = 3 ms-2 Time period = 8s

Q: Daredevil is attempting to jump his motorcycle over a line of buses parked end to end by driving up…

A: Time (T) = 2uSin46° / g = (2×34.1×Sin46°)/9.8  T = 5 sec.  Now, range R = u2Sin(2×46°) /g  R =…

Q: An apple falls from an apple tree, from a height of 12m above the ground. (a) How much time it will…

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Q: You throw a ball straight up with an initial velocity of 16.2 m/s. It passes a tree branch on the…

A: We know ,  S = ut + 1/2 at²  6.75 m = 16.2t - 4.9t²  -4.9t² + 16.2t - 6.75 = 0  Finding roots ,

Q: Jimmy "Butterfingers" James is a stuntman that jumps off of buildings for a living. He was jumping…

A: initial velocity (u) = - 15.6 mstime taken to hit the ground = 1.25 s

Q: A child stands on a bridge over the highway and drops a water balloon straight downwards. The bridge…

A: The vertical distance between the bridge and the ground is h = 11 m. The initial velocity of the…

Q: A chicken nugget is thrown upwards and reaches a height of 6.45 m above its release point, and is…

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Q: The velocity of a particle traveling in a straight line is given by v = (6t – 3t²) m/s, where t is…

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Q: The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows…

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Q: An object is moving with a constant acceleration in a straight line from Point A to Point B. The…

A: Given, distance     s = 58 m  Time taken  t = 5.98s Final velocity  v = 11.96 m/s

Q: 2) Bob is driving in his car, accelerating at a rate of 3.21 m/s². After 2.65 s he is traveling at…

A: Given Data: Acceleration of Bob's car, a=3.21 m/s2 Time duration, t=2.65 s The final velocity of the…

Q: 6. Lebron throw an apple vertically upward from the roof of a tall building. The apple leaves his…

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Q: A driver is traveling 17.8 m/s when she sees a red light ahead. Her car is capable of decelerating…

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