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What is true of a person walking up the steps of a downward moving escalator at a constant speed?
the person is decreasing resultant velocity
You are walking toward the back of a bus that is moving forward with a constant velocity. Describe your motion relative to the bus and relative to a point on the ground?
Relative to the bus, you are moving towards the back. If your walking speed is slower than the speed of the moving bus (which it usually will be) then your motion relative to a point on the ground will be moving in the direction of the moving bus, but slower by the speed at which you are walking.
How can one determine the relative velocity between two objects?
To determine the relative velocity between two objects, you can subtract the velocity of one object from the velocity of the other object. This will give you the relative velocity between the two objects.
Why person jumping out of a speeding train fall forward?
The velocity of the person is the velocity of the speeding train plus the velocity of the jump out. this gives a resultant velocity with a forward component in the direction of the train's motion.
Can the relative velocity of two bodies be greater than the absolute velocity of either?
Yes it can be!!! If two cars on a straight road head directly toward each other at a speed of 60mph (relative to the road), the velocity of one relative to the other is 120mph. This example arbitrarily uses the road as the reference for each car's speed, but there really is no such thing as "absolute velocity" and both cars would have a velocity of about 1000mph relative to the center of the Earth. According to Einstein's principles of "Relativity" all velocity is relative.
When a train moves along a straight track at a velocity of 95 km hr north A person walks toward the back of the train at a velocity of 3 km hr south what is the persons velocity relative to the ground?
If the person sat on the train their velocity relative to the ground would be 95kph. But he/she is goind 3kph to oppose this. So 95-3 = 92 kph to the north is velocity of person relative to the ground.
What is true of a person walking up the steps of a downward moving escalator at a constant speed?
the person is decreasing resultant velocity
You are walking toward the back of a bus that is moving forward with a constant velocity. Describe your motion relative to the bus and relative to a point on the ground?
Relative to the bus, you are moving towards the back. If your walking speed is slower than the speed of the moving bus (which it usually will be) then your motion relative to a point on the ground will be moving in the direction of the moving bus, but slower by the speed at which you are walking.
Speed what does it mean?
Speed is the relative velocity of a body (such as an athlete) given a frame of reference (such as the ground).
How can one determine the relative velocity between two objects?
To determine the relative velocity between two objects, you can subtract the velocity of one object from the velocity of the other object. This will give you the relative velocity between the two objects.
Is A Frisbee On The Ground At Rest?
Relative to the ground and anything else on the ground including buildings or a person just standing there, yes, the frisbee is at rest. Relative to a person walking by or a skateboard rolling by, the frisbee is in motion. There's no such thing as 'really' at rest or 'really' moving. Motion is always relative to something.
Is frisbee on the ground at rest?
Relative to the ground and anything else on the ground including buildings or a person just standing there, yes, the frisbee is at rest. Relative to a person walking by or a skateboard rolling by, the frisbee is in motion. There's no such thing as 'really' at rest or 'really' moving. Motion is always relative to something.
Why is relative velocity AFTER equal to Vf2 minus Vf1 but relative velocity BEFORE equal to V1 minus V2 in the coefficient of restitution formula?
relative velocity is defined as the time rate of change of one object with respect to another object.the relative velocity depends upon the observer i.e.if the velocities of two objects are same then the relative velocity also seems to be equal.
Why person jumping out of a speeding train fall forward?
The velocity of the person is the velocity of the speeding train plus the velocity of the jump out. this gives a resultant velocity with a forward component in the direction of the train's motion.
How do calculate the velocity of the boat relative to the shore?
Add the rivers velocity to the boats velocity
Can the relative velocity of two bodies be greater than the absolute velocity of either?
Yes it can be!!! If two cars on a straight road head directly toward each other at a speed of 60mph (relative to the road), the velocity of one relative to the other is 120mph. This example arbitrarily uses the road as the reference for each car's speed, but there really is no such thing as "absolute velocity" and both cars would have a velocity of about 1000mph relative to the center of the Earth. According to Einstein's principles of "Relativity" all velocity is relative.
What are the relative velocity of alpha beta gamma?
The relative velocity of alpha with respect to beta is the velocity of alpha minus the velocity of beta. The relative velocity of beta with respect to gamma is the velocity of beta minus the velocity of gamma. The relative velocity of alpha with respect to gamma is the velocity of alpha minus the velocity of gamma.
