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How can one determine the speed after a collision?
To determine the speed after a collision, one can use the principles of conservation of momentum and energy. By analyzing the masses and velocities of the objects involved before and after the collision, one can calculate the speed using equations derived from these principles.
What is the formula for speed after collision?
One common formula for calculating speed after a collision is the conservation of momentum equation: m1v1 + m2v2 = (m1 + m2)v, where m1 and m2 are the masses of the objects involved, v1 and v2 are their initial velocities, and v is the final velocity after the collision.
In an isolated system two cars each with a mass of 2500 kg collide. Car 1 is initially at rest while Car 2 was moving at 20 ms. What is their speed after the collision?
10 m/s
What happens to all the momentum when two billiard balls?
The momentum stays the same.
A moving freight car collides with an identical one that is at rest. If momentum is conserved what happens to the second car after the collision?
The second car will begin to move in the same direction as the first car after the collision, with a speed that depends on the masses and velocities of the two cars before the collision. Momentum conservation ensures that the total momentum of the system remains constant.
How can one determine the speed after a collision?
To determine the speed after a collision, one can use the principles of conservation of momentum and energy. By analyzing the masses and velocities of the objects involved before and after the collision, one can calculate the speed using equations derived from these principles.
What is the formula for speed after collision?
One common formula for calculating speed after a collision is the conservation of momentum equation: m1v1 + m2v2 = (m1 + m2)v, where m1 and m2 are the masses of the objects involved, v1 and v2 are their initial velocities, and v is the final velocity after the collision.
In an isolated system two cars each with a mass of 2500 kg collide. Car 1 is initially at rest while Car 2 was moving at 20 ms. What is their speed after the collision?
10 m/s
What happens to all the momentum when two billiard balls?
The momentum stays the same.
In two boys of unequal weights running towards each other with the same speed meet lead-on what is the result of the collision?
The lighter boy will be moved backwards by a force equal to the difference in their masses.
A moving freight car collides with an identical one that is at rest. If momentum is conserved what happens to the second car after the collision?
The second car will begin to move in the same direction as the first car after the collision, with a speed that depends on the masses and velocities of the two cars before the collision. Momentum conservation ensures that the total momentum of the system remains constant.
Why a high speed collision between two cars would cause more damage than low speed collision between the same two cars?
There's more force exerted in the high speed collision.
How does the speed of the combined cars compare to the speed of the car before the collision when a parked car is hit by a moving car and the two cars stick together?
The combined VELOCITY of two cars that crash will be somewhere between that of the individual cars. In this case, the combined speed will be less than the speed of the car that was moving before the crash.If you know the velocities and the masses, the exact speeds can be calculated using conservation of momentum.
In an isolated system two cars each with a mass of 1000 kg collide Car 1 is initially at rest while Car 2 was moving at 10-ms They move off together What is their speed?
Since momentum must be conserved, they move off at a combined speed of 5 m/s. (If the masses are different, write an equation that states that momentum is conserved: momentum before the collision equal momentum after the collision).
Why a high speed collision may cause more damage to vehicles than a low speed collision?
More kinetic energy involved.
Speed is very important in a collision if you triple the speed of a car you increase its force of impact?
True, the force of impact in a collision increases significantly with speed. This is because kinetic energy, which relates to an object's speed, increases with the square of the speed. So, tripling the speed of a car would result in nine times the force of impact in a collision.
What is the speed of the car and truck as they move forward connected together after the collision?
It depends on their initial speeds and masses. The speed can be worked out by: mcarucar + mtruckutruck = mbothvboth where u = initial veloicty m = mass v = final veloicty remember u and v are vectors so will have direction!
