Person A jogs east at a speed of 5 meters per second for 3 minutes, then turns north and jogs at 4 meters per second for 5 minutes. (1) what is the jogging speed of person A for the whole duration?

Q: A woman drives 50 miles to the north. She stops, asks directions, and then drives 50 miles south. If…

A: Given,

Q: What is the shortest time a bus can travel the distance between stations if the maximum permitted…

A: Maximum speed (v) = 30 kmhr= 518×30 ms= 8.33 msMagnitude of maximum acceleration or deacceleration =…

Q: In the design of a rapid transit system, it is necessary to balance the average speed of a train…

A: (a) The amount of time spent during the acceleration of the train is:

Q: A Man in a car starts from Paris and Travels 80 km at a constant speed of 80km/h, then stops for 30…

A: Given data: d1 = 80 km at speed (V1) = 80 km/h Rest time = 30 min = 0.5 h d2 = 200 km at speed (v2)…

Q: A car accelerates uniformly from zero to 12 m/s^2 in 8 seconds staring from rest. During the next 4…

A: initial velocity of the car = 0 msacceleration for first 8 seconds = 12 ms2acceleration for next 4…

Q: A hiker walks 2.95 km north and then 4.10 km west, all in one hour and twenty minutes. (a)…

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Q: When spiking a volleyball, a player changes the velocity of the ball from 4.6 m/s to -24 m/s along a…

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Q: One aeroplane travels due north at 300km/h while another travels due south at 300km/h. Are their…

A: Velocity is the rate of change of displacement of an object. It is a vector quantity having both…

Q: A cyclist travels a distance of 1 km in the first hour, 0.5 km in the second hour and 0.3 km in the…

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Q: What happens if the person on the cliff throws the rock straight down, instead of straight up? To…

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Q: As soon as a ball was allowed to fall from rest from height h, a second ball was thrown upwards from…

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Q: The science lecture theatre of a college is 10m wide and has a door at a corner. A science teacher…

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Q: A man and a woman both walked towards each other on a straight path but started at the opposite…

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Q: You normally drive on the freeway between Tayasan and Bayawan City at an average speed of 105 km/h,…

A: Average speed = 105 km/h  time, t = 2 h 20 min  Second day: average speed, v = 74.5 km/h

Q: At a certain time a particle had a speed of 41 m/s in the positive x direction, and 6.5 s later its…

A: v1=41 m/st1=0 sv2=-80 m/st2=6.5 s average acceleration,a=v2-v1t2-t2

Q: The driver of a car traveling at 110km/h slams on the brakes so that the car undergoes a constant…

A: Given: The initial speed of the car is 110 km/h. The time taken by the car is 4.5 s.

Q: Two trains travel in the opposite direction, leaving each of the opposite stations which call…

A: Let the two trains meet after time t. Thus, after time, t, the total distance travelled by the two…

Q: If a ball is thrown directly upwards with 4.6 x the initial speed of another ball, what is the ratio…

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Q: A motorist travels for 2h at 70 km/h and 1h at 100 km/h. What is her average speed for the trip? *

A: The initial speed, u=70 km/h   The initial time taken, t1=2 h   The final speed, v=100 km/h   The…

Q: A car accelerates from rest at 2.5 m/s2, travels with a constant velocity of 90 km/h and then…

A:

Q: What is the final speed of a bullet train accelerating at the rate of 200km/hr² from initial speed…

A: The train’s final speed can be found by the following kinematics equation. Here, u, a, and x…

Q: o of hikers is to travel x km by bus at an average speed of 48 km/h to an A group unknown…

A: distance traveled by bus = x Distance covered while walking = x Time for lunch and rest = 2 hours…

Q: car traveling with the initial speed of 30 m/s and traveling a distance 450 m with the final…

A: A car initial speed u = 30 m/s  The final speed of the car is v = 80 m/s  The distance travel by the…

Q: A California Condor is approaching its nest with a large chunk of carrion in its beak. As it…

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Q: Car A travels due east at an initial velocity of 10km/hour then constantly increased in velocity…

A:

Q: During a hard sneeze, your eyes might shut for 0.31 s. If you are driving a car at 81 km/h during…

A: Given data The time interval of a hard sneeze is given as t = 0.31 s. The speed of the car is given…

Q: When it is possible to say that the value of average velocity is approximately the same as the…

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Q: A bus travels 250 km south along a straight path with an average velocity of 81 km/h to the south.…

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Q: average speed in km/hr

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Q: A particle moves along the x-axis according to the equation x = 2.00 + 3.00t − 1.00t^2, where x is…

A:

Q: A student walks 2 km in 30 minutes. What is the student's average speed in km/hr?

A: Given data:  Distance (d) = 2 km Time (t) = 30 minutes Required: Average speed in km/hr

Q: One object is thrown vertically upward with an initial velocity of 10 m/s and another object with an…

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Q: When visiting his parents, Tyler drives at an average speed of 42 km/h through urban areas and at an…

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Q: You drive for 100 miles at 20 mph. You then drive 100 miles at 60 mph. Your average speed over the…

A: The distances and their corresponding speeds. d1 = 100 milesv1 = 20 mphd2 = 100 milesv2 = 60 mph

Q: The minimum distance required to stop a car moving at 50 km/h is 20 m. What is the minimum stopping…

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Q: Under what condition is average velocity equal to the average of the object's initial and final…

A: If v,u,s and a are final velocity, initial velocity, displacement and constant acceleration of any…

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

A:

Q: Most aircraft need an airspeed of about 120 knots (61.7 m/s) to lift off. If a fully laden b-52…

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Q: (the complete question is in the picture) Which of the following best describes an instantaneous…

A: Instantaneous speed can be defined as the rate of change of distance. Mathematically given by:…

Q: From a speed of v= 48 kph, a train decelerates at the rate of 2m/min², along the path. How far in…

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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: If a car is traveling with a constant velocity, what can you say about its acceleration?

A: Given data:  Velocity of car is constant.

Q: If an object were to freely, from what height would it need to drop to reach a speed of 70.0m / s…

A: Given data:  Initial velocity (v0) = 0 m/s Final velocity (v) = 70.0 m/s Required: The height (h) of…

Q: where f (t) is measured in miles per hour, and t is measured in hours, with t = 0 corresponding to 6…

A: Since it is a problem to find maximum and minimum points, it is a type of absolute extrema problem.…

Q: The speed of a bullet is measured to be 640 m/s as the bullet emerges from a barrel of length 1.20…

A:

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: On a two-lane road, car A is traveling with a speed of 36 km/h. Two cars, B and C approach car A in…

A: