Trains on average weigh between 8,000 to 10,000 tons and travel approximately 40 mph or 17.9 m/s. The average train would have a momentum between 143,200 ? 179,000 ton*m/s as it travels. Stopping an object smoothly and safely with such a magnitude would require a distance of at least a mile.
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How do you solve the train car problem in physics?
Can a fly stop a train physics?
No, because the collision only affect a tiny amount of the surface of the train. Depending on the relative mass and speed of the molecules of the fly and train, the initial molecular collisions could result in a net “backwards” movement of both.
How do you find the acceleration of a train?
What has more momentum a car or a train?
Although the train and the car have the same velocity, the train has more mass than the car so the train has greater momentum.
How do you calculate momentum?
The Momentum Calculator uses the formula p=mv, or momentum (p) is equal to mass (m) times velocity (v).
What is loco momentum?
Locomotive Momentum is a decoder feature which attempts to replicate the mass of a real train, for more realistic operation compared to toy trains. Real trains do not start and stop suddenly. Acceleration and deceleration will occur over a period of time, independent of how fast the throttle is opened or closed.
Can a bee stop a train?
A bee traveling near the speed of light would not stop the train either. It would, however, both stop and reverse direction of many small pieces of the train!
What happens to a fly on a train?
@Yan – if the air is moving with the train, the fly will get dragged with it due to air resistance.
Can trains fly?
What is the average acceleration of a train?
Average Acceleration 0.3m/s2 Straight line calculation Deceleration 0.5m/s2 Straight line, 50% “full service brake.
What is train acceleration?
a=1.94 ms−2.
What is the speed of a train?
Maximum achievable running speed in excess of 200 km/h (124 mph), or 250 km/h (155 mph) for very high-speed, Average running speed across the corridor in excess of 150 km/h (93 mph), or 200 km/h (124 mph) for very high-speed.
Why is it hard for a train to stop?
For trains the wheels and the rail are both steel, and the steel-steel friction coefficient is around 0.25. So the stopping time and distance will, at best, be three to four times greater than a car.
Why is it harder to stop a train than a car even when the car is moving faster?
Because the Mass of train is more than that of the car, when they are moving at the same speed the force required to stop the train is much more than compared to that of the car.
Which object would have the most momentum?
Two objects of different mass are moving at the same speed; the more massive object will have the greatest momentum. A less massive object can never have more momentum than a more massive object.
How do you solve momentum problems?
What is the velocity after collision?
Final velocity, on the other hand, refers to the velocity of the object after the collision. In instances where the objects stick together after the collision, the two objects obtain the same velocities, which referred to as the common final velocity.
How do you find final momentum after a collision?
Multiply the second object’s mass by its velocity. For example, if it weighs1,000 and has a velocity of -30 meters per second, then its momentum will be 30,000 kg meters per second. Add the two velocities together to determine which way the objects will move after collision.
Can bees change gender?
Researchers at the Heinrich-Heine University in Germany have discovered that disrupting a single gene (feminizer) in the honey bee is enough to fully switch female bees to males.
How do bees smell?
Honey bees use their antennae to detect odor. According to research by the National Institutes of Health, published in the “Genome Research” journal, honey bees have 170 odor receptors, or chemoreceptors, in their antennae.
What happens when a queen bee dies?
Lastly, when a honey bee queen suddenly dies, an urgent and unplanned supersedure occurs. Worker honey bees identify several larvae within the proper age range and begin to condition these larvae to become queens.
Can you fly a drone over a railway?
Only authorised Network Rail pilots and specialist approved contractors are permitted to fly drones near the railway (when conducting railway related drone surveys) having been granted a qualification from a training organisation approved by the Civil Aviation Authority (CAA).
Is train safer than plane?
Trains also are safer than planes, in part, because many train stations have open-air platforms where travelers board, Dr. Aaron Rossi told USA Today in October. That’s far less risky than the indoor settings of airport security lines and waiting areas where passengers gather and sit before boarding.
Can trains go 400 mph?
China Has Debuted 400-MPH ‘Super Bullet’ Maglev Train, Mass Transit Design. Japan’s Chuo Shinkansen broke records with 374 mph, but both maglev trains face serious challenges.