14. Andrea, of mass 54.5kg, thinks she's sitting at rest in the middle of her 4.81m long dorm room as she does her physics homework. Within what range is her velocity likely to be? (Enter the lower of the velocities first.)

Q: 15. If the fastest marathon runner in the world, has a speed of 1.5 m/s, how fast is this in cm/s? *…

A: From the question it is given that:  Speed of fastest marathon runner: v = 1.5ms  Since, 1m = 100 cm…

Q: Consider a ball whose position in 2 dimensions is described by the equation #(1) = (4"j + 11) t +…

A: Since you have posted a question with multiple subparts, we will solve the first three only as per…

Q: How far each ball traveled: 1. 238.5875 cm 2. 238.9875 cm 3. 239.1875 cm

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: Far in space, where gravity is negligible, a 425 kg rocket traveling at 95 m/s fires its engines.…

A: Far in space, where gravity is negligible,Mass of rocket M =  425 kgVelocity of rocket =95 m/sAlso…

Q: minimum needed length

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Q: ment Bo ar over speed? se same

A: Given that                  The distance covered by the car is (s) = 6m                  The time…

Q: Only question 1.18

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Q: 2. Suppose you travel, between t = 0 s and t = 10 s, a distance of 50 m. That is, if we call your…

A: Given: The initial position at t=0 s is x(0 s) =0 m. The final position at t=10 s is x(10 s) =50 m.…

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: PROBLEMS 11.1+ Speed addition. Darnell stands in a railroad coach that moves at speedc relative to…

A: We will answer this question using formula for adding relativistic velocities. The steps are as…

Q: RELATIVE VELOCITIES IN ONE-DIMENSION А. A car passes station A with a velocity of 60kph, East. At…

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Q: 1- the sum of the measured values 539, 35.4, 0.90, and 9.0 ? 2- the product 0.0054 ✕ 435.4 ? 3-…

A: Given that: The values are: a=539b=35.4c=0.90d=9.0 The values for the product are: x=0.0054y=435.4…

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

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Q: An object is released from rest by someone standing on a bridge. The object falls without hitting…

A: Time taken, t = 2.1 sInitial velocity, u = 0Acceleration due to gravity, g = 10 m/s²Final velocity,…

Q: Joey starts riding his scooter from his apartment to campus. He thinks it would be fun to make a…

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Q: a) Determine the displacement Ax during each time interval and record each of them in the table…

A: We will first get the acceleration and then we will find out velocity and displacement.

Q: During a time interval of two seconds, a particle changed its velocity from V = (2i -3j) m/s to V =…

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Q: This system is qualitatively similar to one that you may be more familiar with: a mass on a spring.…

A: Given that equation of motion. τ=-kθ Since Then we have to find out time period. Let I is moment of…

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

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Q: A meteoroid is speeding through the atmosphere, traveling east at 25 m/s while descending at a rate…

A: Please see the attached image for the solution. If there are queries or if the image is not loading,…

Q: The velocity of an object moving along a line is given by v = 2t2 + 5 ft/s on the interval 0sts4. a.…

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Q: Suppose you're watching the deconstruction of a bridge. It's blown up and the sound of the explosion…

A: Write the given values with suitable variables. t=3 sv=344 m/s Here, t is the time and v is the…

Q: b. Explain the situation in each of the segments, I, II, IIIand IV. II IV +15 10 20 40 -15 Time…

A: Segment I: From t= 0 to t = 10 seconds,  velocity is increasing positively with time. Hence, it's a…

Q: 1. What is the average speed of the object from 15-40s7 2. At which time frame did the object not…

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Q: Calvin throws a ball straight down from the balcony of an apartment building at a velocity of…

A: Given that, Initial velocity = 3.73 m/s Time = 1.960 s

Q: 3. A soccer ball is kicked. At 1 sec., its height is 24 m. At 2 seconds, its height is 30 m. At 3…

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Q: Two cars are initially (2.50+C) km apart on a straight road. If the cars are moving toward each…

A: The initial distance be given as (2.50 +C), substituting the value of C on it,…

Q: v (m/s) [N] vs t (s) 15 10 -5 -10 10 15 20 25 30 INI (s/u) A

A: Slow down means retardation ( If the velocity of a body is decreasing with respect to time) In v–t…

Q: A car traveling in a straight line with an initial velocity of 8.8m/s accelerates at a rate of…

A: Given:      Initial velocity, u = 8.8 m/s     Final velocity, v = 23.8 m/s     Acceleration, a = 3…

Q: Two trains travel on parallel tracks in the same direction. The first train has a length of 100m and…

A: Given, length of the first train is L1=100m the velocity of the first train is v1=200kph=55.556m/s…

Q: 1. A football player runs 15 meters to the left and it takes 4 seconds. Determine his average speed.…

A: Here, distance d = 15 meters time t = 4 seconds

Q: 50 40 30- 20 10- -10 10 20 30 10 Danny is a lifeguard and spots a drowning child 30 meters along the…

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Q: Initial velocity of an object is 25 m/s with an acceleration of 3 m /s . Find the final velocity at…

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Q: An ultrasound doppler meter is used to detect motion for an alarm system. The unit emits an…

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Q: Given the quantities a = 6.7 m, b = 3.1 s, c = 80 m/s, what is the value of the quantity d = cb² ?

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Q: write me physics Lab report. Title = Freefall, Purpose, Procedure, Data and calculation, Graph,…

A: FreefallAbstractIn this experiment, we measured the acceleration of a falling object using a…

Q: A car moves as shown over three hours. Find the average velocity of the moving car in km/h

A: The graph shows different value of position at different time. Average velocity of car can be…

Q: An ultrasound doppler meter is used to detect motion for an alarm system. The unit emits an…

A: