At 9:00 on Saturday morning, two bicyclists heading in ... - Socratic
2017年6月17日 · "North bicycle"=20" "(km)/(hour) "South bicycle"=14" "(km)/(hour) We need to set up equations based on the known information. I always write down everything the question …
Erin goes off on a long bike ride, averaging 10 km/h. One
2017年7月17日 · Erin goes off on a long bike ride, averaging 10 km/h. One hour later her brother Alistair starts chasing after her at 16 km/h. How long will it take Alistair to catch up to Erin?
An arc of 1 degree on earth's surface is equal to how many
2016年9月25日 · At the equator, 1^oarc length = 111.32 km, nearly. At Baltimore ( latitude = 39.48^o N), this length is 111.16 km, nearly. At the poles, it is 110.95 km, nearly. The …
A man walks a distance of 3km due east, then another 4km due
2018年6月19日 · Because East and South are at right angles to each other, we can use the distance formula: d = sqrt((3" km")^2+(4" km")^2) d = sqrt(9" km"^2+ 16" km"^2) d = sqrt(25" …
A person walks 25.0° north of east for 3.10 km. How far due
2018年5月4日 · "please have a look at the fallowing details." Let's represent the person walking the P point. The horizontal and vertical components of the location vector (red) indicate how …
The ISS orbits around Earth, at an altitude of 350. km. What
2015年11月12日 · v=7.70 km.s^(-1) T= 91 min and it will complete 16 orbits per day. For this solution we will make the (reasonable) assumption that the ISS exhibits uniform circular …
A boat moves 15.6 km across a lake in 30.0 min. What was the
2017年4月15日 · The average speed of the boat was 31.2(km)/h Speed of the boat is determined using the formula d=rt which equates the distance traveled to the rate (speed) multiplied by the …
A farmer wants to wall off his four-sided plot of flat land. He ...
2017年11月16日 · A farmer wants to wall off his four-sided plot of flat land. He measures the first three sides, shown as A, B, and C in the figure, where A = 4.99 km, B = 2.46 km, and C = 3.23 …
How do you convert km/h to m/s? - Socratic
2017年6月20日 · Use dimensional analysis (a.k.a. factor-label method). Given: (x" km")/"h" Multiply by the conversion factor (1000" m")/(1" km"): (xcancel(" km"))/"h"xx(1000" m ...
A plane flying with a constant speed of 4 km/min passes over
2016年5月4日 · A plane flying with a constant speed of 4 km/min passes over a ground radar station at an altitude of 13 km and climbs at an angle of 40 degrees. At what rate is the …