2016年12月26日 · The total length of the road is 125 km We can rewrite this problem as: 60% of what is 75 km? "Percent" or "%" means "out of 100" or "per 100", Therefore 60% can be …

2018年3月24日 · What is the velocity of a car that traveled a total of 75 kilometers north in 1.5 hours?

2016年7月17日 · The reciprocal of the Hubble constant H_0, 1/H_0 is an estimate of the age of our universe, after conversion of units for parity. The explanation gives the computational …

2016年11月26日 · We need to convert 75 mi h into km h Cancel the hours in the denominator → 75 mi h ⋅ 1h 3600s (as 1 hour is 3600s) → 75 mi h ⋅ 1h 3600s → 75 mi 3600s Cancel the miles …

2017年3月4日 · A car traveling 95 km/h is 210 m behind a truck traveling 75 km/h. How long will it take the car to reach the truck?

2015年8月20日 · It lies 75-1000 km (46-621 miles) above the Earth. Free electrons in this layer help in the conduction of electricity in this sphere. Mesosphere - The mesosphere starts at 50 …

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 …

2015年3月4日 · It lies 75-1000 km (46-621 miles) above the Earth. Free electrons in this layer help in the conduction of electricity in this sphere. Mesosphere - The mesosphere starts at 50 …

2016年10月21日 · An automobile traveling 90 km/h overtakes a 1.5-km-long train traveling in the same direction on a track parallel to the road. The train speed is 70 km/h, - how long does it …

2015年4月11日 · To calculate the de Broglie wavelength for a particle, or for a tennis ball for that matter, just use the equation p = h/(lamda), where p - the momentum of the atom; h - Planck's …