Silly Jenny is 5.5 feet tall. She launched a toy rocket from the top of her head with an initial speed of 50 ft/sec. 29. How high did the rocket get? 30. How long was it until the rocket landed? 31. What is the height of the rocket after 3 seconds?

Q: A ball is thrown at 20.0 m/s inside a box car moving along the tracks at 40.0 m/s. Wh is the speed…

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Q: 2. A person leaving home travels 15 m [E], then 21m [N], and finally 8.0 m [W]. What was the…

A:

Q: The motion of a particle is described by the position function s(t) = t^3- 15t^2 + 63t, t>0 where t…

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Q: 41. Average velocity. In t seconds, an object dropped from a certain height will fall s(t) feet,…

A: Given Data: The height is given by, st=16t2. (a) The values of s(5) and s(3) can be calculated as,…

Q: While standing on the top of a 3.5 m tall building, you throw a marble at 7- S horizontal. Ignore…

A:

Q: Given these two velocities, C = (4î +2ĵ -2k̂) m/s and E= (5î -4ĵ +5k̂), find the magnitude of the…

A: Given C = (4î +2ĵ -2k̂) m/s  E= (5î -4ĵ +5k̂)m/s

Q: 4) T A cliff diver in Acapulco runs 2.3 m/s and dives out horizontally from the edge of a vertical…

A: "Since you have asked multiple question, as per our guidelines we will solve  one question for you.…

Q: 3. A walker starts the Making Strides Against Breast Cancer Walk at 9:30 am. The walker crosses the…

A: No. 9 is being solved as solutions for other questions are already there. We are authorized to…

Q: If an object is thrown upward with an initial velocity of 256 tusecond, then its height after t…

A: initial velocity of object thrown upwards (u) = 256 fts2The equation of motion is given by : h =…

Q: A car is travelling with a speed of 95 km/h. This speed in S.l. units is O a. 26.39 m/s O b. 42.46…

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Q: A brick is held over the edge of a tall building an dropped from rest. The acceleration from gravity…

A: Given data:  Initial velocity (v0) = 0 m/s, rest Acceleration due to gravity (g) = 9.8 m/s2,…

Q: 5. The height of a football is modelled by the function h(t) = -5² + 15t + 1, where h(t) is the…

A: Given: Height, h(t)=-5t2+15t+1                                          (1)

Q: On the apollo 14 mission to the moon, astronaut Alan Shepard hit a golf club improvised from a tool.…

A: Initial speed (v) = 25 msLaunch angle (θ) = 26o

Q: 6. A drone delivery service drops a package when the drone is 120 ft above the ground, rising at 12…

A:

Q: A small rocket with a booster blasts off and heads straight upwards. When at  a height of 4km and a…

A:

Q: 1. A bicyclist starts at point P and travels around a triangular path that takes her through points…

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Q: The object is thrown straight up at 3m/s from 1 m above the ground. Which of the following best…

A: Given data:  Initial velocity (u) = 3 m/s, straight upward Initial height (h) = 1 m Required: The…

Q: 3. A car decelerates by constantly reducing 3 m/s per second of its velocity in a span of 10…

A: Given  Deacceleration a=-3m/s2 Time t=10sec Average velocity Vavg=30ft/s=30×.305=9.15m/s

Q: m in 0.5 Hour. What was her verage speed?

A: GivenDistance travelled by car =10 kmTime taken by car=0.5 hour

Q: E7.A hiker covers a distance of 1.26 km in a time of 0.5 hours. What is the average speed of the…

A: Average speed is given by   Where S = total distance covered, t = total time taken

Q: An object is moving in the horizontal axis with a velocity of v, = (4i + 1j)“. Its initial position…

A:

Q: A seagull flies at a velocity of 12.5 m/s relative to the air straight into the wind.   vSA = 12.5…

A: Given value--- vSA = 12.5 m/s t = 16 min d = 5.8 km We have to find--- 1. If it takes the bird 16…

Q: A projectile exits a launch tube with a velocity of 255 m/s. While accelerating through the launch…

A: Given,

Q: 1. A soccer ball is rolled off of a perfectly horizontal 10m high cliff at 5m/s. a. How far will it…

A: Given data : Height of the cliff, h=10m Initial speed of the ball, v0=5m/s  (horizontally)

Q: A stone is thrown from the top of a building 50 m high. The initial velocity is 200 m/s and released…

A: Given: H=50 mu = 200 m/sθ=60°wind speed uw= 5 m/s along horizontal

Q: Seatwork Time! 1. On His way to the city, Cardo Dalisay travelled a path of 100 m North, 150 m E,…

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Q: A car leaves one city to another with a speed of 40 km/h three hours before leaving another…

A: Speed of car = Speed of motorcycle = The motorcycle leaves three hours after the car the car leaves.

Q: b. Find an expression for the particle's velocity ỷ as a function of time. c. What is the particle's…

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Q: 9. The acceleration of an object is given by a(t) = e-. If the object has an initial velocity of 2…

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Q: A golfer putts her golf ball straight toward the hole. The ball's initial velocity is 5.92 m/s, and…

A: Given, initial velocity of golf, u= 5.92m/s Acceleration, a=-0.68m/s2 Distance, s before it stops…

Q: For questions 2 & 3, use the following problem: An object moves on a straight line so tha after t…

A: x(t) = t2 - 2t

Q: a. the time it reached the maximum height? 2.597sec b. max. ht. the ball had reached? 108.53ft c.…

A:

Q: A man leans over the edge of a cliff and throws a rock upward at 4.9 m/s. Neglecting air resistance,…

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Q: A particle moves accordingly to a law of motion s = f(t) = t^2 e^−t, t ≥ 0, where t is measured in…

A:

Q: 19. A rock is dropped off the side of a bridge and hits the water below 14 s later. (a) What was the…

A: Initial speed  u=0m/s When hit water speed v = ? Acceleration a=9.8m/s^2 Time = 14sec

Q: 1. An object is dropped from the top of a 100-m-high tower. Its height above ground after t sec is…

A: Given Data:Height Of Tower from which object is Dropped = 100 mThe height of the object above ground…

Q: . A ballast bag is dropped from a balloon that is 400 m above the ground and rising at 13 m/s. For…

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Q: A bird is flying due east. Its distance from a tall building is given by x(t) = 28 m+ (12.4) t-…

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Q: SITUATION 1. The position of a particle in rectilinear motion is defined by the relation x = t³-2t²…

A: We are given a particle in rectilinear motion. We are given position of particle as function of…

Q: A particle moves in the x-y plane, starting from the origin with an initial velocity of ( 4i -7.2j )…

A: Initial velocity v= (4i-7.2j)m/s  acceleration in x direction = 4i m/S2  Time t= 5s

Q: A swimmer bounces almost straight up from a diving board and falls vertically feet first into a…

A: This is a problem regarding the conservation of energy and the motion in one dimension. According…

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 –