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What is the speed of a train travelling 120 km per hour What is the speed in meters per second?
Wiki User
∙ 9y ago
33.3km/sec
Wiki User
∙ 9y ago
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Do you have to add the speed of an object to the speed of light?
No, because according to Einstein, there is nothing that can travel faster than the speed of light. For example, if there is a headlight on the front of a train that is travelling 60 km/h, the light coming from the front of the train is still only going at the speed of light despite the speed of the train.
Why does a train have more kinetic energy then a car?
Kinetic Energy = 1/2 mv2 where m = mass and v = velocity A train has much more mass than a car. So even if they are travelling at the same speed, a train will have more kinetic energy than a car.
What is the difference of speed of sound and speed of light?
The Basic difference between the sound waves and light is in their wave nature. Light waves are propagated as transverse waves. Sound waves are propagated as longitudinal waves. Let's do our own version of Einstein's famous thought experiments. You are on a train that has a very looong connected flatbed. I'm observing you from the ground. The train is moving at 60 mph to my right; you are in a car and driving from the front of the train toward the back, and you read 40 mph on your speedometer. As the amazing sight passes by, I measure your speed to be 20 mph, moving to my right-- from my frame of reference, your back-end is advancing. This is an entertaining if impractical way of seeing how two velocities differ. Sixty minus forty equals twenty. Now we are together on the ground. A train is going to pass us at the speed of sound (ok, we could make it an SST and pretend we're on a REALITY show). As it passes, our job is to measure the velocity of light coming toward us from a powerful source on its back. We are, in theory, slowing light down by the speed of sound. When we measure the velocity of the light, however, we will find that it is still exactly the speed of light, undiminished. If we forgot our protective gear, however, our ears will not be unchanged.
If two trains on the equator start at the same point but facing in opposite directions which train will reach the point where it started first?
The train travelling opposite to the earth spin wear out first because it travel against centrifugal force.
Why do you have to run a certain distance in the direction of motion of train while stepping out of the moving train?
Before you step off of the train, your body is moving past the walkway at the same speed as the train. Its natural tendency is to keep moving in the same direction at the same speed, but once you step onto the walkway, that means your body wants to move along the walkway at the speed of the train. You have to slow your body down gradually, which you can only do by deftly manipulating the contact between the walkway and your feet. If you stepped off and expected to just stand there, your feet might stay on the walkway, but the rest of you still needs to keep going at the speed of the train, resulting in a phenomenon known as "falling down".
A train travels at the rate of 120 km per hour. What is its speed in meters per second?
33.33 meters per second.
A train travels at the rate of 120 km per hour what is its speed in meters per second?
120 km per hour = 33.33 meters per second.
If a train travels at 48 miles per hour what is its speed in feet per second?
There are 5280 feet in one mile. Therefore, the train is travelling at 48 x 5280 = 253440 feet per hour.There are 3600 seconds in one hour. Therefore the train is travelling at 253440 / 3600 = 70.4 feet per second.
A train travels at 30 meters per second and stops in 1 minute what its acceleration?
Average acceleration over an interval of time = (final speed - initial speed) / (time for the change)= [ (0 - 30) / 1 ] (meters / second-minute) = [ (0 - 30) / (60) ] (meters / second-second) =-0.5 meter / sec2
If you watch a train go by at 20 meters per second at what speed with people sitting on the train be moving relative to you?
The people on the train are watching you go by at 20mps. It's all relative.
A train approaching a crossing changes speed from 25 meters per second to 10 meters per second in 240 seconds how can the train's acceleration be described?
Acceleration = (change in speed) / (time for the change)= (10 - 25) / 240 = -15/240 = -0.0625 meter/sec2The acceleration is negative, which is a description of slowing down.
A train 120 metres long passes an electric pole in 12 seconds and another train of same length traveling in opposite direction in 8 seconds what is the speed of the second train?
Completely ignore the first train.The second train passes the pole in 8sec.In this 8 seconds the train drove 120 meters.So the train has a speed of 15meters per second (120/8=15).Answer: 15 (meters / second) = 54 km/h
A train is travelling at a constant speed of 150 km per hour. How long will it take the train to travel a distance of 100 km at this speed?
It would take 40 minutes !
A train of certain length travelling with a uniform speed of 36kmhr crosses a bridge of 600m in 80 secfind the length of the train?
200m. Here's the work:The speed of the train in meters per second is:(36km/hr)(1000m/km) / (3600s/hr) = 10 m/sIf it takes 80 seconds to cross, then the distance traveled in 80s at 10m/s is:(10m/s)(80s) = 800mNow, imagine this:The front end of the train travels 800 meters from the time it reaches the bridge until the back end is clear of the bridge. This means that the length of the train equals the distance traveled minus the length of the bridge.So:800m - 600m = 200mThe train is 200m long.
What is the meters per second of a train that is going 120 km per hour?
33.33 meters per second.
Do you have to add the speed of an object to the speed of light?
No, because according to Einstein, there is nothing that can travel faster than the speed of light. For example, if there is a headlight on the front of a train that is travelling 60 km/h, the light coming from the front of the train is still only going at the speed of light despite the speed of the train.
What is the speed of a train travelling 330 miles in 5 hours?
66 miles a hour. Divide 330 by 5 to get the answer
