Mathematics, 28.03.2021 02:40 alkinoonn

A train is 1000 metres long. It is travelling at a constant speed, and approaches a tunnel that is 3000 metres long. From the time that the last car on the train has completely entered the tunnel until the time when the front of the train emerges from the other end, 30 seconds pass. Determine the speed of the train, in kilometres per hour.

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 20.06.2019 18:02

Find the lateral surface area plzzz

Answers: 2

Answer

Mathematics, 21.06.2019 16:00

Atrucker had a load of grain containing 2 tons. she unloaded 1 ton and 1,200 pounds at the warehouse. how much grain does she still have left on the truck?

Answers: 1

Answer

Mathematics, 21.06.2019 16:30

Me because some of question i don’t understand

Answers: 1

Answer

Mathematics, 21.06.2019 17:30

What is the 12th term of b(n)=-4-2(n-1)

Answers: 1

Answer

You know the right answer?

A train is 1000 metres long. It is travelling at a constant speed, and approaches a tunnel that is 3...

Questions

Physics, 02.07.2019 17:00

What can you conclude about these two reactions based on the chemical equations? reaction a: 6co2(g) + 6h2o(l) + sunlight → c6h12o6(aq) + 6o2(g) rea...

Spanish, 02.07.2019 17:00

Complete the sentence with the correct indirect object pronoun (me, te, le, etc.) and th correct form of the verb gustar anostros la television...

History, 02.07.2019 17:00

What we’re the motives of the spaniards for their attack on the aztecs...

Mathematics, 02.07.2019 17:00

The length of the hypotenuse of a 30° -60° -90° triangle is 4. find the longer leg....

History, 02.07.2019 17:00

Since 1970 the average house holf size has decreased due to what...

Social Studies, 02.07.2019 17:00

The first evidence of coins in ancient egypt was made in the form of rings of gold, silver and copper, with specific weights, which were measured and...

Mathematics, 02.07.2019 17:00

What does the y-intercept represent?...

Mathematics, 02.07.2019 17:00

An ice cream cone has a radius of 3 inches and a height of 9 inches. what is the exact value of the volume of the ice cream cone? 27π in3 81π in3 9π...

Spanish, 02.07.2019 17:00

Elena wrote a journal entry describing her school schedule. read the paragraph, then choose the best answer for the question that follows. tengo un mo...

History, 02.07.2019 17:00

Why might people in england in the 1938 support appeasement...

Social Studies, 02.07.2019 17:00

Can you tell me what 6y+3 is and you...

History, 02.07.2019 17:00

Was napoleon more of a revolutionary leader or a tyrannical dictator?...

English, 02.07.2019 17:00

What shocking news those the ghost give hamlet...

Physics, 02.07.2019 17:00

Sir isaac newton supported the biblical account of creation....

Chemistry, 02.07.2019 17:00

Identify the type of chemical reaction of cobalt (iii) fluoride...

History, 02.07.2019 17:00

What is true about a senators term in office? a) it is half as long as the term of a member of the house b) it is three times longer than the term of...

Social Studies, 02.07.2019 17:00

America's voting system could be considered ineffective because it offers too many candidates in each election it is an international model of voting...

Mathematics, 02.07.2019 17:00

Which of the following is a good cardio-respiratory workout option a. taking an aerobics class b. jumping rope c. using the stairmaster at the gym d....

Social Studies, 02.07.2019 17:00

Voters will more likely turn out to vote if they vote early and often they are offered a short ballot only those running in the presidential and cong...

Biology, 02.07.2019 17:00

True or false: the question “how much precipitation is needed to increase the amount of water in a lake by 2 feet? ” can be answered using a scientif...

More questions: Mathematics Another questions