PHYWE P1199605 重弹性碰撞中的动量守恒与演示轨道模拟套，具有计时器4-4

>> Principle

An impulse acting on an object is defined as the change in momentum caused by a force Fover a short period of time t. The momentum p is defined as the product of force and time. It is conserved, provided that there is no friction and that the collision is elastic. This means that, although the objects in a closed system with several objects can transfer or receive momenta, the total momentum of the system remains constant over time and in terms of its value, which in turn means that the energy is conserved.

>> Benefits

Accurate results due to measurements with low friciton: cart with sapphire bearings

Over the entire track length adjustable feet for a very simple alignment of the track even on small tables

Extrem robust accessories, for example no overloading of cars due to elastic bearing of base plate, prevent unnecessary breakdowns

Timer 4-4 can be used for almost every experimental requirement : distance-time law for four tracks, measurement of speed at four positions, principles of collisions, measurement of the orbiting time of a rotary movement, the direct measurement of the duration of a complete swing of a mechanical pendulum and for short or long-term measurements with two 8-digit displays by connecting each of 2 timers

>> Scope of Delivery

[Device x Quantity]

Demonstration track, aluminium, 1.5 m x 1

Cart, low friction sapphire bearings x 2

Shutter plate for low friction cart, width: 100 mm x 2

Fork with plug x 1

Rubber bands for fork with plug, 10 pcs x 1

Plate with plug x 1

Needle with plug x 1

Tube with plug x 1

Plasticine, 10 sticks x 1

Weight for low friction cart, 400 g x 2

Slotted weight, silver bronze, 10 g x 4

Slotted weight, silver bronze, 50 g x 3

End holder for demonstration track x 1

Starter system for demonstration track x 1

Magnet w.plug f.starter system x 1

Light barrier, compact x 2

Holder for light barrier x 2

PHYWE Timer 4-4 x 1

Connecting cord, 32 A, 500 mm, red | Length: 1000 mm x 2

Connecting cord, 32 A, 2000 mm, yellow | Length: 1000 mm x 2

Connecting cord, 32 A, 500 mm, blue | Length: 1000 mm x 2

Portable Balance, OHAUS CR2200 x 1

Slotted weight, blank, 1 g x 10

Slotted weight, silver bronze, 10 g x 4

Slotted weight, silver bronze, 50 g x 3