A group of hikers sets out going 10.0km [N], then 15.0km [E], then 4.0km [S]. The entire trip takes 4.00h. Determine the hikers' speed for the trip.   4 km/h       5.25 km/h       7.25 km/h       21.0 km/h       65.25 km/h

Q: A delivery truck leaves the depot at 9am, drives 20km and arrives at 9:30. At 10am it drives another…

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Q: You are walking down a straight path in a park and notice there is another person walking some…

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Q: A ball is thrown upward from the ground with an initial speed of 25.33 m/s; at the same instant,…

A: Let the time taken for the balls to meet be t  Therefore distance dropped by second ball is given as…

Q: A horse and a squirrel participate in a race over a 2.20 km long course. The horse travels at a…

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Q: A bicycle rider travels 20,0 km north in 1.5 hours. She then turns directly south and travels 10.0…

A: given that,distance travelledd=20 kmtime takent1=1.5 hdistance travelled along southd2=10 kmtime…

Q: A man walks on a straight road from his home to a market 2.5 km away with a speed of 5 the market…

A: Given value--- first speed = 5 km/h . second speed = 7.5 km/h  . distance = 2.5 km. time interval =…

Q: 1. A stone is dropped from the top of a tower 40m height. At the same time another stone is thrown…

A: Dear student When acceleration of a partical is constant, we can apply the equations of motion as :…

Q: A person travels by car from one city to another with different constant speeds between pairs of…

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Q: An arrow is shot vertically upward and then 1.92 s later passes the top of a tree 42.7 m high. How…

A: Given The height of the tree is h=42.7 m. The time taken to reach the top of the tree is t=1.92 s.…

Q: A kayaker travels down a river at a speed of 16 m/s [down river] relative to ground, with the…

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Q: particle travelled 3.9 m north then turned west and travelled 9.5 m in that direction and lastly,…

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Q: A bus travels with a speed of 75 mi/h. This speed in S.I. units is .(Given 1 mile = 1.609 km) O a.…

A: Given :.  V = 75 mi/h 1 mi = 1.609 km And 1 km = 1000 m So one mile = 1.609 x 1000 m 1 hr = 60x60 s…

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

A: Given : v = 100 m/s d = 2 m

Q: A bird embarks on the journey of winter migration from her nest. She starts by flying 65.0 km due…

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Q: A person travels by car from one city to another with different constant speeds between pair of…

A: v1 = 80 km/hr , t1 = 30 min v2 = 100 km/hr , t2 = 12 min v3 = 40 km/hr , t3 = 45 min v4 = 0 km/hr ,…

Q: A person travels by car from one city to another with different constant speeds between pairs of…

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Q: A person travels by car from one city to another with different constant speeds between pairs of…

A:

Q: A person walks up a stalled escalator 15 m long in 90 seconds. When standing on the same escalator…

A: 36s time would it take that person to walk up the moving escallator.

Q: A mountain climber stands at the top of a 57.3 m cliff hanging over a calm pool of water. The…

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Q: A person travels by car from one city to another with different constant speeds between pairs of…

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Q: An airplane undergoes the following displacements, all at the same altitude: First, it flies 59.0 km…

A: Given value--- first distance = 59 km , 30 degree E of N. second distance = 58 km , South.  third…

Q: 29. A 150 m long train is moving with a uniform velocity of 45 km/h. The time taken by the train to…

A: Given value--- length of train = 150 m. velocity of train = 45 km/h . length of bridge = 850 m. We…

Q: JNZWF A car drives straight off the edge of a cliff that is 94.0 m high. The police at the scene of…

A: height of cliff (h) = 94 m horizontal distance from the base of the cliff (d) = 130 m

Q: A tourist being chased by an angry bear is running in a straight line toward his car at a speed of…

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Q: A particle travelled 3.9 m north then turned west and travelled 9.5 m in that direction and lastly,…

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Q: 3)  A   red  truck    moving  100 km/ h overtakes a 1.5 km  long   train  moving  in  the  same…

A: Given  :   v1 = 100 km/h                v2 = 80 km/h                l = 1.5 km

Q: erson on a road trip drives a car at different constant speeds over several legs of the trip. She…

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Q: A Boeing 747 "Jumbo Jet" has a length of 64.5 m. The runway on which the plane lands intersects…

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Q: A person travels by car from one city to another with different constant speeds between pairs of…

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Q: A horse and a squirrel participate in a race over a 1.40 km long course. The horse travels at a…

A: (a) The time taken by the squirrel to finish the race is given by, Time taken by squirrel to finish…

Q: A basketball player runs 7.00 m due north, then 5.00 m in a direction 30° north of west, and finally…

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Q: A student drives for 34 min at 67km/h, 57 min at 54 km/h, and 56 s at 10 km/h and spends 48 min…

A: Case 1 ) Speed = 67 km/hr time = 34 min

Q: A person travels by car from one city to another with different constant speeds between pairs of…

A:

Q: A horse and a squirrel participate in a race over a 1.80 km long course. The horse travels at a…

A:

Q: A runner travels 1.5 laps around a circular track in a time of 50 s. The diameter of the track is 40…

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Q: A car travelling at 70 km/h is 20 m in front of you. You want to pass them and know that your speed…

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Q: An auto travels going to Roxas City at a rate of 25 km/hr for 0.045 hour , then at 50 km/hr for…

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Q: A person travels by car from one city to another with different constant speeds between pairs of…

A: Given data The velocity of the car in the first duration t1 = 45 min is v1 = 65 km/hr. The velocity…

Q: An object is thrown up from the top of a building that is 30.8 m high. The object is thrown with a…

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Q: A group of hikers sets out going 10.0km [N], then 15.0km [E], then 4.0km [S]. The entire trip takes…

A: The group hikers first cover distance r1=10 km(N) then r2=15 km(E) and then finally r3=4 km(S).…

Q: 1. A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the…

A:

Q: A person travels by car from one city to another with different constant speeds between pairs of…

A: Question 9 Solution  (Part a and Part b)

Q: airplane starting from the rest uses 1000m of runway length to acquire a take off speed of 150 m/s.…

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Q: A person travels by car from one city to another with different constant speeds between pairs of…

A: Total distance between the cities: =speed×time =100×1560+65×860+45×3060 =56.167 km

Q: A train makes a round trip on a straight, level track. The first of the trip is 300km and is…

A: Given that for the first trip the train travels 300km with a speed of 75km/h, after 0.50h the train…

Q: A bus is moving at a speed of 20 m/sec starts to slow at a constant rate of 3 m/sec ^2. Find how far…

A: The initial speed of the bus is, u=20 m/s   The deceleration of the bus is, a=-3 m/s2   The final…

Q: A person travels by car from one city to another with different constant speeds between pairs of…

A: Given:Person drives 50 min at 65 km/h12 min at 80 km/h60 min at 30 km/hAnd takes 40 min lunch break.

Q: A car travels 20. meters east in 1.0 second. The displacement of the car at the end of this…

A: The displacement is a vector quantity. It is always associated with direction.

Q: Ben starts walking along a path at 33 mi/h. One and a half hours after Ben leaves, his sister Amanda…

A: Speed of Ben, vB=33 mi/hr Speed of Amanda, vA=55 mi/hr Let t be the time in hours at which Amanda…

Q: 10. A person travels by car from one city to another with different constant speeds between pairs of…

A: Given: The speed of the car for 25 min is 75 km/h. The speed of the car for 16.0 min is 100.0 km/h.…

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 –