Answer:
d. Increase the velocity of the ride and decrease the radius
Explanation:
The normal force in the amusement park ride is produced by the centripetal force. The formula for this force is given as follows:
Fn = mv²/r
where,
m = mass of the body,
v = velocity of the body
r = radius of the path
Therefore, it is clear from the formula that force has a direct relation with the square of velocity and inverse relation with the radius of path. Hence, the design that will enable the rider to feel the greatest Fn will be:
<u>d. Increase the velocity of the ride and decrease the radius</u>
Answer:
Explanation:
Use Doppler effect equation:
The Doppler effect is a physical phenomenon where an apparent change in wave frequency is presented by a sound source with respect to its observer when that same source is in motion. The general equation is given by:
- When the observer moves towards the source is positive.
- When the observer moves away from the source is negative.
- When the source moves towards the observer is negative.
- When the source moves away from the observer is positive.
Since the problem don't give us aditional information let's assume:
Which is the speed of sound in air.
And using the information provided by the problem:
The frequency perceived by the person is 331.046Hz
<em><u>Translation:</u></em>
<em><u></u></em>
Usa la ecuación del Efecto Doppler:
El efecto Doppler es un fenómeno físico en el que una fuente de sonido presenta un cambio aparente en la frecuencia de onda con respecto a su observador cuando esa misma fuente está en movimiento. La ecuación general viene dada por:
- Cuando el observador se mueve hacia la fuente es positivo.
- Cuando el observador se aleja de la fuente es negativo.
- Cuando la fuente se mueve hacia el observador es negativa.
- Cuando la fuente se aleja del observador es positiva.
Como el problema no nos da información adicional, supongamos que:
La cuál es la velocidad del sonido en el aire.
Y utilizando la información proporcionada por el problema:
La frecuencia percibida por la persona es 331.046Hz
Answer:
The charge on the droplet is .
Yes, quantization of charge is obeyed within experimental error.
Explanation:
Given that,
Radius = 1.6μm
Electric field = 46 N/C
Density of oil = 0.085 g/cm³
We need to calculate the charge on the droplet
Using formula of force
Put the value into the formula
We need to calculate the quantization of charge
Using formula of quantization
Put the value into the formula
Yes, quantization of charge is obeyed within experimental error.
Hence, The charge on the droplet is .
Yes, quantization of charge is obeyed within experimental error.
In physics, gravity is the natural force that causes things to fall toward the earth. The noun gravity can also mean seriousness or solemnity. Someone who conducts themselves with an air of gravity is someone who takes what they are doing seriously.
Answer:
The answer to your question is
a) t = 2.55 s
b) t = 5.5 s
Explanation:
Data
vo = 25 m/s
h = 2 m
g = 9.81 m/s
Formula
t = -(vo)/g
a)
t = -(25)/9.81
t = 2.55 s
b)
Tt = 2t
Tt = 2(2.55)
Tt = 5.1 s
Time in the last 10 m
10 = 25t + (1/2)(9.81)t²
Simplify
10 = 25t 4.91t²
4.9t² + 25t - 10 = 0
Solve the equation using an online calculator
t₁ = 0.37 s t₂ = -5.47 s
The correct answer is t₁, t₂ is incorrect because there are no negative answers.
Total time = 5.1 + 0.37
= 5.5 s