A train travels 50 km in half an hour. It then stops at a station for 20 minutes, before traveling for 2 hours at an average speed of 90 km/h. What was the train's average speed over the whole journey?

Q: A person drove 5 miles from home to the store. She took a different route back home that was only 4…

A: Motion of person (i) 5 miles from home to store  (ii) 4 miles from store to back home

Q: From a speed of 60 kph, a train decelerates at the rate of 2 m/min² along the path. How far in…

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Q: A helicopter drops a relief package to waiting victims of an earthquake in Afghanistan. If the…

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Q: An airplane has a average speed of 740 mph while traveling from st.Louis to San Diego. If the trip…

A: Average speed, v = 740mph time, t = 3.5 hours

Q: What is the average velocity of the snail?

A: Given data:   The distance travel by snail is: D = 7.35 cm =0.0735 m The time taken by the snail to…

Q: A parked police car takes off after a suspect and reaches 61.6 km/h in 7.94 seconds.  What was the…

A: Initial velocity= 0 m/s Final velocity= 61.6 km/h Time taken to achieve this velocity= 7.94 sec

Q: A person drove to the school from her home and noted that the odometer reading of her vehicle…

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Q: car is traveling at a speed of 50 mi/h. Is the driver exceeding the speed limit of 80km/h? (1…

A: A car is traveling at a speed v=50 mi/h The limiting speed  is given v'=80 km/h The relation between…

Q: A student drives the 105-mi trip back to campus after spring break and travels with an average speed…

A: Given: Total distance of the trip = 105-mi, Average speed for the first part of the trip, v1 = 56…

Q: When the legal speed limit for the New York Thruway was increased from 55 mi/h to 65 mi/h, how much…

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Q: The person wants a distance of 2.7 km in a time of 36 minutes what is her average speed in…

A: Given data: The distance traveled is s=2.7 km. Time taken is t=36 min.

Q: If Joe rides south on his bicycle line for 27 min with an average speed of 11.2 km/h, how far has he…

A: The speed of Joe  v=11.2 km/h The time for which Joe rides is   t=27 min=2760ht=0.45  h The distance…

Q: joggers average speed

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Q: On a highway trip, Joseph drives the first 25 miles at 55 mph, and the next 15 miles at 70 mph. What…

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Q: A car is traveling at 35 m/s due east and 2 seconds later it is traveling 35 m/s due south. What is…

A: Given value--- A car is traveling at 35 m/s due east. 2 seconds later it is traveling 35 m/s due…

Q: An airplane travels at 302 mi/h south for 4.00 h and then at 313 mi/h north for 702 miles. What is…

A: Given Data:- The airplane first travels at v1=302 mi/h for t1=4.00 h in South. Then the airplane…

Q: An object was dropped from the rooftop of a building and hit the ground 7 seconds. How high is the…

A: Given:Initial speed u = 0 m/s( free fall)Time t = 7 seca=g= 9.8m/ s2Height h = ?

Q: what was the average speed in km/h of a car that travels 772km in 5.8h?

A: Given:Total displacement = 772kmtotal Time=5.8hr…

Q: A cart rolling down an inclined plane has an acceleration of 10 m/s2. If the cart has an initial…

A: Given value--- A cart rolling down an inclined plane has an acceleration of 10 m/s2. If the cart…

Q: A ball dropped from the roof of a building takes 3.5 seconds to reach the ground. What is the height…

A: Initial speed of the ball is v0 = 0 m/s The time it takes to reach ground is t = 3.5 s Acceleration…

Q: While on vacation, Lisa traveled a total distance of 440 miles east. Her trip took 8 hours. What was…

A: To determine: The velocity of lisa, while she travelled on vacation

Q: From a speed of 46 kph, a train decelerates at the rate of 2m/min2, along the path. How far in…

A: hereu=46 kmpa=-2 mmin2

Q: How long are you going to drive the 350 km if your car's average speed is 68 km/H?

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Q: an object is moving initially with a velocity of 5.2 m/s. after 3.6 s the object's velocity is -2.4…

A: The average acceleration be defined as, a=∆v∆t=vf-vi∆t

Q: average speed in km/hr

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Q: On an avenue, a car travels with a speed of 38 m / s. If the speed limit of 75 mi / hr., will the…

A: Speed of car is 38 m/s. Let it be V. Speed limit is 75 mi/hr.

Q: A bullet traveling at a speed of 100m/s strikes a wall and penetrates 2 cm .How long does the bullet…

A: Given : vo = 100 m/s s = 2 cm = 0.02 m v = 0 m/s because finally the bullet stops

Q: What is the average speed in kilometers per hour for a runner that runs a distance of 5 km in a time…

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Q: A car travels at the constant speed of 31 mph for 20 mi, at a speed of 40 mph for the next 20 mi,…

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Q: Jason and Eddie are traveling from Atlanta to Miami which is a distance of 662 miles. It took them…

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Q: You plan on making a one-hour stop for lunch, and two 10-minute gas/rest stops along the way.  What…

A: The total time taken for the trip will be the sum of the time taken to cover the distance as per the…

Q: A motorist travels for 2.2 hours at 72.8 km/h and 2.9 hours at 108.2 km/h. Her average speed (in…

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Q: A car covers a distance of 160 km between two cities in 4 h. What is the average speed of the car ?

A: Given  Distance covered by car between two cities  (d) = 160 km    Time taken (t) = 4 h  Average…

Q: A car making a 110.0 mi journey travels at 51.5 mi/hr for the first 38.1 mi. At what speed must it…

A: Total distance (d) = 110.0 miSpeed for first 38.1 mi race (s1) = 51.5 mi/hrThe average speed (sav) =…

Q: The average speed of a car

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Q: Two cars left Albany and Tenterden at the same time, passing through mount barker and both…

A: Given Two cars left Albany and Tenterden at the same time, passing through mount barker and both…

Q: a person runs the first half of a 5km race in 12 min and the second half of the race in 16 min. what…

A: Total distance of race = 5 km   Time taken to complete first half that is 2.5 km = 12 min   = 1260…

Q: Dennis hiked for about 4 hours and reached the top of the mountain. He traveled 36 meters in total…

A: Given data: Time = 4 hours Distance travelled = 36 m Speed: The ratio of the distance travelled to…