120 ft 30 B. 80 ft -x 30 k- 80 ft 100 ft

Q: The car is traveling at a speed of 76 mi/hr as it approaches point A. Beginning at A, the car…

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Q: An electron is moving in a straight line with a velocity of 4.0 x 105 m/s. It enters a region 5.0 cm…

A: We have to find the electron's velocity when it emerges from given region. Given that, vi=4×105…

Q: A dog slips out of its collar while going for a walk and runs away at full speed.  By the time the…

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Q: The car is traveling at a speed of 65 mi/hr as it approaches point A. Beginning at A, the car…

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Q: A person walks first at a constant speed of 4.70 m/s along a straight line from point O to point B…

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Q: A bicyclist in the Tour de France crests a mountain pass as he moves at 15 km/h. At the bottom, 4.0…

A: Given: initial velocity=u=15km/h u=(15km/h)×1000m1km×1h3600su=4.17m/s final velocity=v=65 km/h…

Q: train slows down as it rounds a sharp horizontal turn, slowing from 50.4m/s to 24.9m/s in the 18.0s…

A: Given Data:The initial velocity of a train is, v1 =50.4m/sThe final velocity of a train is.v2 =…

Q: You drive on Interstate 10 from San Antonio to Houston, half the time at 69 km/h and the other half…

A: The average speed of a particle in a time interval is defined as the distance travelled by that…

Q: Starting from home, you bicycle 24 km north in 2.5 h and then turn around and pedal straight home in…

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Q: From the very top of the new One World Trade Center Tower in New York City, an object would take…

A: Time taken by object to hit ground is 10.4 Gravity is given as 9.8 m/s2 Height fall  h= ut-gt22 h =…

Q: Physics Question #25: A jogger accelerates from rest to 3.0 m/s in 2.0 s. A car accelerates from…

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Q: You throw a ball straight upward with constant acceleration. After 5.4 seconds the ball is at a…

A: let the initial velocity = u time = 5.4 sec height after 5.4 sec = 120 m

Q: A wind-up toy car is released from rest. It accelerates up to a maximum speed over the first 2 m it…

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Q: You walk for 1000 m northwards at a constant velocity of 3 m/s. Then you turn around, and walk with…

A: Given,  Distance travelled in north direction is 1000 m at constant velocity of 3 m/s    d= 1000 m…

Q: The acceleration of a particle as it moves along a straight line is given by a = (2t - 1) m/s² ,…

A: Write the expression of acceleration of a particle.   a=2t-1   m/s2

Q: If the car’s speed decreases at a constant rate from 79 mi/h to 50 mi/h in 3.0 s, what is the…

A: Given,The initial speed , u=79 mi/hfinal speed, v=50 mi/htime, t=3.0 sec

Q: An Australian emu is running due north in a straight line at a speed of 13.0 m/s and slows down to a…

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Q: Nerve impulses in a human body travel at a speed of about 100 m/s. Suppose a woman accidentally…

A: Given data: Speed (v) = 100 m/s Height of the woman or distance between foot and brain d = 1.80 m…

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 –