A cyclist pedals from his house to his college at a speed of 10 km.p.h and back from the college to his house at 15 km.p.h. Find the average speed.

Q: A car travels 20 kilometers per hour faster than a second car. The first car covers 180 kilometers…

A: let the time spend in tavel is t hoursif the speed of car 1 is S1aand speed of car 2 is S2 then…

Q: a car left xanadu at 6:45 h and arrived in zenoland at 7:05 h. it travelled at an average speed of…

A: Given that  a car left xanadu at 6:45 h and arrived in zenoland at 7:05 h. it travelled at an…

Q: A train travels 360 km at a uniform speed.If the speed had been 5 km/hr more,it would have taken 1…

A:

Q: A cyclist covers his first five km. at an average speed of 10 km. p.h., another km. at 8 km. p.h.…

A:

Q: The speed of a boat in still water is 15 km / hr.It can go 30 km upstream and return downstream to…

A: To find: The speed of the stream. Given information: The speed of a boat in still water is 15 km/hr.…

Q: A missile flies 40 miles in 20 minutes. Calculate the missile’s rate of change

A:

Q: ose left the airport and traveled toward the mountains. Kayla left 2.1 hours later traveling 35 mph…

A: Jose total time = 2.1+1.2 = 3.3hours    Let  Jose  speed = x mph           ⇒   Distance  =…

Q: Luis ride his bicycle 3/4 mile in 15 minutes along the bike trail. Assuming he rides at a constant…

A:

Q: Helmut can paddle in still water at a speed of 4 km/h. If he paddled 10 km upstream against the…

A: This problem is related to river section of algebra. And we solve this using distance-time formula.

Q: A submarine travels at elevation of 75 3/4 ft relative to sea level then it’s elevation changes by -…

A: This is elevation problem

Q: As the average speed increases, what happens to the number of hours that it takes to bike the 20…

A: Average Speed = total distance travelled / total time taken

Q: It took a salmon 45 seconds to swim upstream to a certain spot. The salmon then turned around to…

A: To find speed of salmon

Q: A courier travels from a warehouse to a manufacturing plant and back in 7.5h total (i.e. the round…

A:

Q: If Bill was traveling v mi/h, how would you represent Daemon's speed in mi/h if he was traveling 50…

A: Given that, Speed of Bill is = v mi/h And Daemon was travelling 50 mi/h faster. Then we have to find…

Q: If you drive from New York to Boston at 55 MPH, and return at 75 MPH. What is your overall average…

A: The drive from New York to Boston at 55 MPH, and return at 75 MPH.

Q: a vehicle travelled 20 kilometers in 15 minutes. what is the average speed of the vehicle.

A: Given,           A vehicle travelled 20 kilometers in 15 minutes.

Q: A cattle train left Miami and traveled toward New York . 14 hours later a diesel train left…

A: A cattle train left Miami and traveled toward New York . 14 hours later a diesel train left…

Q: v = [-9,2] v = Ex: 1.234 ||

A: Norm of the vector

Q: Two motorcycles start at the same point. One motorcycle travels 15km due north and stops. The second…

A: