Answer:
A = 2 cm
, λ = 8 cm
Explanation:
The amplitude of a wave is the maximum height it has, in this case the height is measured by the vertical ruler,
We are told the balance point is in the reading of 5 cm, that the maximum reading is 3 cm and the Minimum reading is 7 cm. Therefore, the distance from the ends of the ridge to the point of equilibrium is
d = 7-5 = 2 cm
d = 5-3 = 2 cm
A = 2 cm
The wavelength is the minimum horizontal distance for which the wave is repeated, that is measured by the horizontal ruler.
The initial reading for 4 cm and the final reading for 8 cm, this distance corresponds to a crest of the wave, the complete wave is formed by two crests whereby the wavelength is twice this value
Δx = 8-4 = 4 cm
λ = 2 Δx
λ = 8 cm
The temperature will (A) Decrease.
Answer:
If the height is in metres, the speed is 24.25m/s
Answer:
I think it's D
Explanation:
because I have seen the tracks of the tires
The magnitude of the acceleration of the ball while coming to rest is 477.43 m/s²
The direction of the acceleration of the ball is downwards
The given parameters
initial velocity of the ball, u = 0
height above the ground, h = 2.2 m
time of motion of the ball, t = 96 ms = 0.096 s
The magnitude of the acceleration of the ball while coming to rest is calculated as;
let the downwards direction of the acceleration be positive
![h = ut + 0.5 at^2\\\\h = 0 + 0.5at^2\\\\h = 0.5 at^2\\\\a = \frac{h}{0.5t^2} \\\\a = \frac{2.2}{0.5 \times 0.096^2} \\\\a = 477.43 \ m/s^2](https://tex.z-dn.net/?f=h%20%3D%20ut%20%2B%200.5%20at%5E2%5C%5C%5C%5Ch%20%3D%200%20%2B%200.5at%5E2%5C%5C%5C%5Ch%20%3D%200.5%20at%5E2%5C%5C%5C%5Ca%20%3D%20%5Cfrac%7Bh%7D%7B0.5t%5E2%7D%20%5C%5C%5C%5Ca%20%3D%20%5Cfrac%7B2.2%7D%7B0.5%20%5Ctimes%200.096%5E2%7D%20%5C%5C%5C%5Ca%20%3D%20477.43%20%5C%20m%2Fs%5E2)
The direction of the acceleration of the ball is downwards
Learn more here: brainly.com/question/15407740