Suppose you are watching the destruction of a bridge. The bridge is blown up and the sound of the explosion reaches you in 3.4 seconds. How far away from the bridge were you standing? Assume the speed of sound is 344 m/s for this question.

Q: The speed of sound in air is 340 m/s. What is the speed of a supersonic plane at twice the speed of…

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Q: Position (cm) Elapsed Time (ms) 0. 0. 20 237 40 325 60 409 80 469 520 100

A: The positive X-axis represents the position and the positive Y-axis represents the elapsed time. The…

Q: 12t2, where x is in meters and t is in seconds. A particle moves according to the equation x = (a)…

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Q: Using quantitative graphical analysis, find Max's displacement from his initial position at the…

A: Analyze the following figure. a) Max’s displacement can be determined by the given graph’s area as…

Q: A person can survive a feet-first impact at a speed of about 12 m/s (27 mi/h) on concrete; 15 m/s…

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Q: The velocity-time graph that describes the velocity of an object with time is given as in the figure…

A: a = 98.5 b = 124.6 c = 57

Q: Consider the scenario of the speed of sound in air on a hot day vs. a cold day. Which of the…

A: Sound wave is a longitudinal wave. So it's speed depends on the medium. Speed of sound decreases…

Q: An object initially traveling at 20. meters per second south decelerates uniformly at 6.0 meters per…

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Q: They stop for 5 min to repair the flat, but then realize they cannot fix it. They continue their…

A: Given:           The speed of the biker for first 5 min is constant             Then he stops at the…

Q: The motion of a particle is defined by the relation x = (1/3)t3 – 3t2 + 8t + 2 where x is the…

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Q: The Moon is about 3.8 x 108m from Earth. Traveling at the speed of light, 3.0 x 108 m/s, how long…

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Q: the velocity of an object with time is given as in the figure below. if the values of a= 82.3,…

A: given that-  velocity time graph . area under the curve gives the distance. average acceleration =…

Q: Two cars of the same speed of 5 m/s approach each other on parallel tracks. If the cars were…

A: Given: Speed of the Car==5 ms The initial distance between the car=200 m

Q: A drunk man was driving his car at a speed of 25.0 m/s (or 90 kph) when he saw a cow in the middle…

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Q: A train, travelling on a straight track, is slowing down with constant deceleration 0.6 ms-2. The…

A: Given, Deceleration, a= -0.6 m/s2 Initial speed, u=72 km/h=20 m/s Time interval, t=25s

Q: Write the expression for the time taken to travel 10 m vertically. h = v; sin 0 × t + g1² Substitute…

A: Given : Initial position of ball ( h' ) = 10 m Initial velocity (vi) = 8.8 m/s at an angle 25° below…

Q: From a velocity of 65 kph, a train decelerates at a rate of 3 m/min2 along a straight path. How far…

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Q: . Two people pass the 2,000 meter mark on a walking trail at the same time, going in the same…

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Q: The motion of a dog is observed to be given by the function 7 = (1.69 m/s²) t² - [(0.4 m/s³) t³-3.61…

A: Given: The position of the dog is given as. r→=1.69 m/s2t2i^-0.4 m/s3t3-3.61 mj^…

Q: The motion of a dog is observed to be given by the function = (1.28 m/s²) t²-[(0.66 m/s³) t³-2.99…

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Q: The typical American man has a leg length of 0.85 m and walks at a speed of 1.4 m/s. A giraffe’s…

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Q: ou drop a stone down a well that is 9.5 m deep. How long is it before you hear the splash? The speed…

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Q: A subway train accelerates from rest at one station at a rate of 1.20 m/s2 for 1/3 of the distance…

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Q: A soccer player kicks a rock horizontally off a 40.0-m high cliff into a pool of water. If the…

A: Solution: Given that yi = 40 m yf = 0 when he kicks it horizontally vyi=0 tsound=3 s vsound=343 m/s…

Q: object is dropped from rest and impacts the ground with a velocity of 9.6 m/s. What height was it…

A: Use kinematics

Q: Jeff Bezos just landed on the moon and is conducting an experiment, he drops a hammer from rest from…

A: Write the given values with suitable variables. h=2.01 mu= 0 m/st=1.04 s Here, h, u, and t are the…

Q: 200 100 10 20 15 Time (s) 25 30 35 The velocity of a fighter jet is given as a function of time.…

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Q: Please help, do not reject! Thanks!

A: First we list the data given in the problem like initial velocity , acceleration , time etc

Q: Given the plot of distance versus time below. What is the average speed of the object from 0 s to 4…

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Q: Amel goes for a walk with a speed of 3kph. After 30 minutes of walk, his wife follows him. Walking…

A: Given:  speed of Amel vA=3Kphtime gap between Amel and his wife = 30min =0.5 hrdistance travel by…

Q: If s represents the displacement andt represents the time for an object moving with rectilinear…

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: A bowling ball traveling with constant speed hits the pins at the end of a bowling lane 16.5 m long.…

A: Given Data : The time after which the bowler hears the sound is given as T = 2.61s  The length of…

Q: An object is moving in positive x direction, slowing at a rate of 4.16m/s^2. After moving a distance…

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Q: Layla's initial speed is 3 m/s, she traveled at a distance = 10m. Using rapid boots, it increases…

A: Given Data : The initial speed of Layla is given as vi=3 ms The distance traveled by Layla is given…

Q: 49. A mountain biker cycling a trail traveling at 5.4 m/s begins to slow down when she notices a…

A: Part (49):Given: The initial velocity of the mountain climber is 5.4 m/s. The distance covered by…

Q: A particle has an initial velocity of 3i + 4j and an acceleration of 0.4i + 0.3j . Its speed after…

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Q: 2. V A particle moves according to the equation ¤ = 10t², where is in meters and t is in seconds.…

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Q: 10. The displacement of the object between t=0 and t= 4 s is: (A) 22 m (B) 28 m (C) 40 m (D) 42 m…

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Q: The position-time graph that describes the motion of an object is given as in the figure below. if…

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Q: An object undergoes acceleration 2.31 +3.6j m/s? for 7.9 s at which time its velocity is 33i +15f…

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Q: An automobile starting from rest speeds up to 72 kph with a constant rate of 4 m/s', runs at this…

A: Given data u=0V=20 m/sa=4 m/s2a=-5 m/s2

Q: The position-time graph that describes the motion of an object is given as in the figure below. if…

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Q: A particle moves according to the equation y(t) =1.5t2+4t-1, where y is in meters and t is in…

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Q: A particle moves according to the equation X = (5t3 + 2t2)/t + (8t2/t4) +4, where X is in meters and…

A: Since there are multiple sub parts posted, we will answer the first three sub parts. a) The distance…

Q: If you know that xFxj+vjt+0.5at and vFVi+at Based on the two equations y=0.85x2+0.41x+0.7…

A: Given equations of motion :y = 0.85x2 + 0.41x + 0.7y = 1.72x + 0.44To find : The instantaneous…

Q: A runner covers a distance of 15.0 m in 6 s to move from x = 0 to x = 4.0 m. What is the average…

A: 2.50   m/s is right ans.

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: