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if your ship burns 2.9tons of fuel per hour at 20knots how many tons per hour will burn at 15knots

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10y ago

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What would an observer on the ground obtain for speed of a ball on a train?

Just add or subtract (depending on the direction) the speed of the ball (in relation to the train) to the speed of the train (in relation to the ground). The above assumes the speeds are not close to the speed of light; if they are, more complicated formulae are required.


How heavy is a train?

The weight of a train can vary widely depending on the type of train, its purpose, and its cargo. On average, a freight train can weigh anywhere from 3,000 tons to 20,000 tons. Passenger trains are generally lighter, with high-speed trains weighing around 400 to 600 tons.


If you increase the radius of circular motion then what is the centripetal acceleration?

That depends what you will remain constant: the angular velocity, or the speed. Here are two formulae that can help you decide: acceleration = speed squared / radius, and acceleration = angular velocity squared times radius. Angular speed should be measured in radians in this case. Angular speed is equal to 2 x pi x (revolutions per second). From the above formulae, it clearly follows that: (a) If you maintain the speed constant (and thereby reduce angular speed, a larger radius means less centripetal acceleration. (b) If you maintain the angular speed constant (and thereby increase the speed), a larger radius means more centripetal acceleration.


How many tons can sonic lift?

Sonic can lift and push objects many times his own weight due to his super speed and strength, so there isn't a specific weight limit associated with his abilities.


What is the Formula for (change in speed)time?

Such formulae are usually given for acceleration; NOT for speed. The relevant formula is:a = dv/dt That means, acceleration is the rate of change of velocity, with respect to time. For constant acceleration (or for short time intervals), you can also write this as: a = delta v / delta t (change in velocity divided by the time interval)

Related Questions

What the Formulae for velocity and speed?

You can get speed or velocity by dividing distance moved, by the time it takes to move that distance.


How can you calculate the distance using the formula?

There are several formulae for different cases. For the case of a constant speed, use the formula: distance = speed x time.


What are the uses of conventional formulae?

What are the conventional formulae?


Are there any books about speed?

yes there are tons of books on speed you should find them in your local library


Time equals distance speed formulae?

Speed = Distance divided by Time (S = D/T)Time = Distance divided by Speed (T = D/S)Distance = Speed times Time (D = S x T)


What are the formulae used in mathematics?

There are thousands of mathematical formulae.


Formulae in derivative?

You will find several formulae in the Wikipedia article on "derivative".


What is the fomulae for energy?

There are different formulae for calculating different kinds of energy.There are different formulae for calculating different kinds of energy.There are different formulae for calculating different kinds of energy.There are different formulae for calculating different kinds of energy.


What are the basic formula of plane figures?

Different figures have different formulae; here you will find formulae for the areas of some figures: http://en.wikipedia.org/wiki/Area#Formulae


What would an observer on the ground obtain for speed of a ball on a train?

Just add or subtract (depending on the direction) the speed of the ball (in relation to the train) to the speed of the train (in relation to the ground). The above assumes the speeds are not close to the speed of light; if they are, more complicated formulae are required.


If you ran 100 meters in 10 seconds What is the average speed?

The formulae for fiding speed is:Speed= Distance traveled / time takenSo: 100m/10s (100 divided by 10)So: 10m/s (meter per second)


How do you use math in sience?

Mainly, many magnitudes are related through different kinds of formulae. In advanced science you may have to derive your own formulae, but in more basic science, you just use existing formulae.Mainly, many magnitudes are related through different kinds of formulae. In advanced science you may have to derive your own formulae, but in more basic science, you just use existing formulae.Mainly, many magnitudes are related through different kinds of formulae. In advanced science you may have to derive your own formulae, but in more basic science, you just use existing formulae.Mainly, many magnitudes are related through different kinds of formulae. In advanced science you may have to derive your own formulae, but in more basic science, you just use existing formulae.