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A construction truck collides with the back of a subcompact car Which one has the larger change of velocity during the collision?
Wiki User
∙ 12y ago
The smaller vehicle will encounter the larger velocity change.
Wiki User
∙ 12y ago
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A measurement of the motion of something. This is equal to the product of the moving objects's mass times it's velocity?
== == Momentum is the product of the mass of an object multiplied by its velocity (or speed). Momentum is conserved so if a moving object hits a staionary object the total momentum of the two objects after the collision is the same as the momentum of the original moving object.
A railroad diesel engine coasting at 10 Kmh runs into a stationary flatcar The diesel weighs four times as much as the flatcar. How fast do the cars move when they stick together upon collision?
There are no forces external to the engine and car involved here*, thus this is a case of conservation of momentum. Note, an unknown amount of energy is absorbed by the couplers and other parts of the engine and car, so the conservation of energy equation is not useful here. Momentum = velocity X mass Since momentum is conserved, the total velocity X mass before the collision will equal total velocity X mass after the collision. If we define the mass of the car as M, then the mass of the engine is 4M Let: the initial velocity of the engine = Ve1 = 10Kmh the initial velocity of the car = Vc1 = 0 Kmh the final velocity = V2 (it is the same for both the car and the engine) So the initial momentum is: (Ve1) (4M) + (Vc1) (M) = (10) (4M) + (0) (M) = 40M The final momentum is: (V2) (4M + M) = (V2) (5M) = 5V2M Setting the initial momentum equal to the final momentum gives: 40M = 5V2M Doing the algebra gives: 40 = 5V2 8 = V2 So, the answer is the final velocity is 8 Kmh *We are assuming friction of the wheels on the track is negligible and that the track is level so that gravity can be ignored.
The speed of an object and the direction of its motion?
the object's 'velocity'
What effect does mass of the object have on its momentum?
Yes, mass will affect momentum in a collision or in anything else. Any object with mass and non-zero velocity will have momentum. Mass is directly proportional to momentum. Double the mass of an object moving with a given velocity and the momentum doubles.
What is the definition of final velocity?
Final velocity is the your last velocity traveled. Example if you travel 50m/s your final velocity is 50m/s because its the last velocity traveled, 0m/s is the initial velocity. Its not your total velocity because if u start running at 5m/s then accelerated 25m/s, your final velocity is NOT 30m/s. It is 25m/s. Also, your velocity change is 20m/s(25-5).
What is glancing collision?
A collision where the velocity remains the same but there is impact still.
Which expression represents the speed v of the masses after the collision?
Total momentum before the collision = total momentum after the collision As a reminder, momentum is the product of velocity and mass.
How do you calculate velocity after perfectly collision?
To calculate the velocity after a perfectly elastic collision, you need to apply the principle of conservation of momentum and kinetic energy. First, find the initial momentum of the system before the collision by adding the momenta of the objects involved. Then, find the final momentum after the collision by equating it to the initial momentum. Next, solve for the final velocities of the objects by dividing the final momentum by their respective masses. Finally, make sure to check if the kinetic energy is conserved by comparing the initial and final kinetic energy values.
Which type of collision occurs when a baseball bat hits a baseball?
inelastic collision The formulas for the velocities after a one-dimensional collision are: where V1f is the final velocity of the first object after impact V2f is the final velocity of the second object after impact V1 is the initial velocity of the first object before impact V2 is the initial velocity of the second object before impact M1 is the mass of the first object M2 is the mass of the second object CR is the coefficient of restitution; if it is 1 we have an elastic collision; if it is 0 we have a perfectly inelastic collision
Is velocity conserved in elastic conditions?
Nah, brah. Momentum and kinetic energy are conserved, but velocity is not. Correct me if I am wrong but from how I interpret this, any collision cause the colliding bodies to change their direction. Thus velocity, which is a vector quantitiy containing direction, is by definition changed in an elastic collision. I guess speed, which is the magnitude of the velocity, can be considered as being conserved?
How do you find velocity after a collision?
ask any witnesses of the collision if they've seen velocity. it might help to bring a picture of it to help the people recognize who you're looking for. you could also ask the police when they show to to help search for it.
When two coins of mass 2 kg and 4 kg respectively collide what will be the change in velocity if initial velocity is 0?
If initial velocity is zero, the collision seems unlikely.
A soccer ball collides with another soccer ball at rest The total momentum of the balls?
That would depend on the velocity of the soccer ball not at rest.
What happens when there is a head on collision of two bodies moving at uniform velocity?
they both crash
A 1 kg mass is sliding along a frictionless surface at plus 6 ms and collides with another object mass equals 3 kg at rest The collision is perfectly inelastic What is the velocity of the 1kg obj?
In a perfectly inelastic collision, the two objects stick together and the momentum is conserved. Once the objects stick together, they both have the same velocity. p = mv where p is the momentum conservation of momentum for perfectly inelastic collision: m1v1i + m2v2i = (m1 + m2)vf (1kg)(6m/s) + (3kg)(0m/s) = (1 kg + 3kg)vf 6 kg·m/s = (4kg) vf vf = v1f = v2f = 1.5 m/s
What happens to the total momentum of two objects in a system before and after interactions?
The total momentum before the collision is the same as the total momentum after the collision. This is known as "conservation of momentum".
Two balls of masses 500gram and 200 gram are moving at valocities 4m s and 8m s respectively on collision they stick together find the velocity af the system after collision?
The idea is to use conservation of momentum. Calculate the total momentum before the collission, add it up, then calculate the combined velocity after the collision, based on the momentum.
