Same time and travel in opposite directions
Two cars leave Denver at the same time and travel in opposite directions. One car travels 10mi/h faster than the other car. The cars are 500mi appart in 5h. How fast is each car traveling?
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Two cars are approaching an intersection. One is 3 miles South of the intersection and is moving at a constant speed of 40 mph. At the same time, the other car is 4 miles East of the intersection and is moving at a constant speed of 50 mph.
Let R be relation on Z such that xRy if and only if x.y is even. For each and every of the following question, if your answer is "no" provide counter example. If your answer is "yes" prove that relation has that property.
Sugggest a mass-spring system with unit mass (m = 1), spring constant k = 9, critically damped, and no external force. Suppose that the oscillator starts at rest, and slightly compressed, at the point minus two. What is y(t)?
A car leaves san diego at 1 pm traveling at the constant rate of 40 mph toward los angeles. Thirty minutes later, another car leaves san diego traveling toward los angeles at the constant speed of 55 mph. After what time is the distance between t
Mr.Smith makes monthly visits to his parents in Baguio, a distance of 240km from Manila. He found out that if he raises the average speed by 10km per hour, he could save total of 20 minutes for the journey. Determine the speed at which Mr.Smith o
A motorist travels 90km at 120km/hr , and 40km at 90km/hr. What is the average speed of the trip?
Romy can climb coconut tree at the rate of 10 ft per minute and return at 20 ft per minute. If it took him 3 minutes to climb and return. Determine the height of the coconut?
Three calculus books weigh as much as two geometry books. Seven geometry books weigh as much as nine algebra books. Six trigonometry books weigh as much as eleven calculus books.
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