instantaneous velocity

acceleration

speed

velocity

calculate area under v-t graph

calculate area under a-t graph

calculate area under s-t graph

3 N

3 N, right

17 N, right

3 N, left

The total momentum before a collision is equal to the total momentum after a collision.

The total momentum before a collision is greater than the total momentum after a collision.

The total momentum before a collision is less than the total momentum after a collision.

The total momentum before a collision is not related to the total momentum after a collision.

inelastic collision

elastic collision

conservation of energy

stable collision

$$\lambda=\ L\frac{n}{2}$$  

$$L=n\frac{\lambda}{2}$$

$$\lambda=\left(2n-1\right)\frac{L}{4}$$

$$L=\left(2n-1\right)\frac{\lambda}{4}$$

TRUE

FALSE

TRUE

FALSE

$$4.29\times10^{12}$$  Hz

$$4.29\ \times10^{14}$$  Hz

$$5.54\ \times10^{14}$$  Hz

$$3.67\times10^{-15}$$  Hz

Angle A

Angle B

Angle C

Angle D