3 years ago

Does the horizontal motion of the projectile depend on the vertical motion?

2 answers:

8 0

Projectile motion follows a curved path created because of the gravity acting on the otherwise eternally traveling horizontal object, Can not necessarily say it depends on it, but it is a defining aspect of the projectile motion definition.

bezimeni [28]3 years ago

4 0

No, resolve in both directions separately

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The chances of being involved in a fatal crash is higher at night then during the day

Ierofanga [76]

Indeed because some leave headlights off and ignore that fact since there are street lights around.

3 0

3 years ago

A ray of light incident in air strikes a rectangular glass block of refractive index 1.50, at an angle of incidence of 45°. Calc

balandron [24]

Answer:

Approximately $28^{\circ}$ .

Explanation:

The refractive index of the air $n_{\text{air}}$ is approximately $1.00$ .

Let $n_\text{glass}$ denote the refractive index of the glass block, and let $\theta _{\text{glass}}$ denote the angle of refraction in the glass. Let $\theta_\text{air}$ denote the angle at which the light enters the glass block from the air.

By Snell's Law:

$n_{\text{glass}} \, \sin(\theta_{\text{glass}}) = n_{\text{air}} \, \sin(\theta_{\text{air}})$ .

Rearrange the Snell's Law equation to obtain:

$\begin{aligned} \sin(\theta_{\text{glass}}) &= \frac{n_{\text{air}} \, \sin(\theta_{\text{air}})}{n_{\text{glass}}} \\ &= \frac{(1.00)\, (\sin(45^{\circ}))}{1.50} \\ &\approx 0.471\end{aligned}$ .