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If a person has a massof 60kg and the velocity of 2ms what is the magnitude of this momentum?
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If a person has a mass of 60 kg and a velocity of 2 m's what is the magnitude of his momentum?
120 kg-m/s
How much momentum does and object have when it stops?
The Same! The statement above is true depending on what u mean. Think of it as a person running. While the person is running they have momentum ( momentum is mass times velocity). Now say they for some reason have to suddenly stop all at once, at the exact moment they stop the momentum is the same, this is why their body would jerk forward. However after that, when they were no longer moving, they would no longer have momentum, mathematically speaking that person's mass times their velocity of zero is then zero.
Does a still object have momentum?
yes , look at a moving car or a walking person
Why does a gunner feel a backward jerk when firing a gun?
This is conservation of momentum. You have the hot gases from the explosive charge along with the bullet moving out the barrel, away from the person. Momentum is mass times velocity. While the mass of the bullet and gases are small, the velocity is very high. So nothing was moving before the trigger was pulled, so net momentum is zero. After the trigger is pulled, the momentum is still net zero. Any momentum away from the gunner will have an equal momentum (the gun recoiling) toward him. Since the gun has much more mass than the bullet, the velocity is much less.
Why is it harder to stop a four person bobsled than three person bobsled?
The four bobsled is heavier and has a greater mass. There will be more momentum, leading to greater velocity making it harder to stop.
If a person has a mass of 60 kg and a velocity of 2 m's what is the magnitude of his momentum?
120 kg-m/s
A person is riding a bike at 5 m's due west The mass of the rider plus bike is 95 kg What is the magnitude of its momentum?
Momentum = mass x velocity Assuming you mean the rider is riding at 5 m/s, the momentum is 95 x 5, which is 475 kg-m/s
How much momentum does and object have when it stops?
The Same! The statement above is true depending on what u mean. Think of it as a person running. While the person is running they have momentum ( momentum is mass times velocity). Now say they for some reason have to suddenly stop all at once, at the exact moment they stop the momentum is the same, this is why their body would jerk forward. However after that, when they were no longer moving, they would no longer have momentum, mathematically speaking that person's mass times their velocity of zero is then zero.
What is the momentum of an 80 kilogram person if they are running at 6 meters per second?
Momentum (p) = mass * velocity = 80 * 6 = 480 kg-m
What is the momentum of 80 kg person moving southward at 4 ms?
Just multiply mass x velocity.
Does a still object have momentum?
yes , look at a moving car or a walking person
Why does a gunner feel a backward jerk when firing a gun?
This is conservation of momentum. You have the hot gases from the explosive charge along with the bullet moving out the barrel, away from the person. Momentum is mass times velocity. While the mass of the bullet and gases are small, the velocity is very high. So nothing was moving before the trigger was pulled, so net momentum is zero. After the trigger is pulled, the momentum is still net zero. Any momentum away from the gunner will have an equal momentum (the gun recoiling) toward him. Since the gun has much more mass than the bullet, the velocity is much less.
Why is it harder to stop a four person bobsled than a three person bobsled?
The four bobsled is heavier and has a greater mass. There will be more momentum, leading to greater velocity making it harder to stop.
Why is it harder to stop a four person bobsled than three person bobsled?
The four bobsled is heavier and has a greater mass. There will be more momentum, leading to greater velocity making it harder to stop.
What is the velocity of a person who runs 500m in 60s?
His speed is (500/60) m/s = 8-1/3 m/s .His velocity can't be completely specified using the information in the question.Its magnitude is 8-1/3 m/s. But in order to also state the direction of his velocity,we would also need to know the direction of his velocity.
Does addition of two vectors give you scalar of vector quantity?
Vectors have the magnitude and direction, scalars have only magnitude. Addition of vectors A and B will produce a vector C. Such that C=A+B. C is a vector because it will have magnitude and the direction.For an example consider a moving sidewalk such as those in the airports. If such a sidewalk is moving South at 2 miles per hour, its velocity is vector A. If a person walking on that sidewalk at 3 miles per hour also South, that persons velocity is vector B. However, that person will be moving at 2+3=5 miles per hour in relation to a stationary observer or in other words with the velocity of vector C.Further, consider A+B1=C1.If that person is walking North, or the opposite direction of treadmill's (if he or she got on the wrong sidewalk :) ), that person's velocity will be -3 miles per hour that will be vector B1. Thus in relation to a stationary observer that person is moving 2+(-3)=(-1) miles per hour towards South, the velocity of vector C1. That is the person is moving North at 1 mile per hour.
Why does a person without a seat belt continue moving in a car accident?
Momentum! Car has momentum before an accident, this momentum is transferred to the person after the car has made an abrupt stop (accident).
