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 group of college students eager to get to Florida on a spring break drove the 615 mi trip with…

A: The objective of the question is to find out the time taken for the trip. The given parameters are…

Q: A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 km east, and then 1.0 km…

A: Given:The travels Distance,The toatal distance,SS=1 km+1 km+1 km   =3 kmTime,t=45 min.What was the…

Q: A bicyclist heads east at 19 k(m)/(h). After she has traveled 20.4 kilometers, another cyclist sets…

A: Time taken by the cyclist to catch up to the first cyclist.

Q: A bus travels for 2 hrs at 60 kph and another 3 hrs at 70 kph. What is its average speed

A:

Q: An olympic runner competing in a long-distance event finishes with a time of 2 hours, 27 minutes,…

A: Given information:The time taken by the runner to cover the given distance (t) = 2 hours 27 min 45…

Q: After robbing a bank in Dodge City, a robber gallops off at 13 mi/h. 20 minutes later, the marshall…

A:

Q: A thief escapes and boarded on a truck and traveled at a constant speed of70 kph. Two hours later…

A: The speed values are constant in these cases. The formula of the speed is given as v=dt

Q: A tortoise is walking in the desert. It walks at a speed of 3 meters per minute for 93.75 meters.…

A: Given Speed of the tortoise is v=3 m/min Distance covered by the tortoise is d=93.75 m   We have to…

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: A race car completes a lap on a 1600 m long track with an average speed of 250 km/h. If the car's…

A: The objective of the question is to find the average speed of the race car on the second half of the…

Q: Julie drives 91 mi to Grandmother's house. On the way to Grandmother's house, Julie drives half the…

A: Average speed is, vavg=total distancetotal time Total distance traveled by Julie on the way to…

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,…

A:

Q: Anne traveled from Lincoln, Nebraska, to Detroit, Michigan, a distance of 855 miles. She stopped…

A: Motion perpendicular are independent of each other. Motion can be uniform or accelerated. Motion is…

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…

A:

Q: you are driving home on a weekend from school at 55 mi/h for 110 miles. It then starts to snow and…

A: First, we are converting time in minutes for easy calculation

Q: After robbing a bank in Dodge City, a robber gallops off at 13 mi/h. 10 minutes later, the marshall…

A: It is given that,  Speed of person R, vR=13mi/hSpeed of the person M, vM=16mi/hTime difference,…

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…

Q: I went for a walk one day. I walked east 15 km for 5 hours and then west 5 km for 2 hours. Determine…

A: Let +x axis or East be the reference direction. First distance travelled east d1=15 km for time t1=5…

Q: A plane covered a distance of 630 miles in 6 hours. For the first part of the trip, the average…

A: total distance= 630 miles total time= 6 h when the avg speed is 100 mph , let the time spent at this…

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

A: Introduction: Kinematics is the physics’ tool used to identify and describe the motion of the…

Q: A car drives from Mechanicsburg, PA to Carlisle, PA which is 17 km away in 17 minutes. Due to…

A: Given data:  Distance (d1) = 17 km in time (t1) = 17 min Distance (d2) = 17 km in time (t2) = 30 min…

Q: A police is driving a cop car to a suspect's home to pick him up. He drives at 59 km/h for 15…

A:

Q: a parked police car takes off after a suspect and reaches 65.6km/hr in 6.49 seconds. What was the…

A: Given data: Velocity of car, v=65.6 km/h=65.6×1000 m3600 s=18.22 m/s Time interval, t=6.49 s

Q: A car has an average speed of 81.0 km/h for one hour, then an average speed of 91.2 km/h for two…

A: Total distance travelled = 81×1+91.2×2 =263.4 km

Q: A car moves with velocity of 60km/hr for 45 min. The driver takes a 15min break at a gas station…

A:

Q: To visit your friend, you first drive on a highway at 55 mi/h for 1.6 hours and then drive on a…

A: Given first velocity v1= 55 mi/h for time t1 = 1.6 hour another velocity v2= 20 mi/h for time t2 =…