Answer:
The wavelength is 3500 nm.
Explanation:
d= 
n= 1
θ= 30°
λ= unknown
Solution:
d sinθ = nλ
λ = 
λ = 3500 nm
Answer:
(a) 
= 0.22 W
(b) 
= 0.056 W
Explanation:
given information:
the mass of piano wire, m = 3.00 g = 0.003 kg
tension, F = 25 N
length, l = 80 cm = 0.8 m
frequency, f = 120 Hz
amplitude, A = 1.6 mm = 0.0016 m
(a) the average power carried by the wave,
= 
(√μF)ω²A²
where,
ω = 2πf = 2π120 = 754
μ = 
= 
= 0.00375 kg/m
thus,
= (√(0.00375)(25))(754)²(0.0016)²
= 0.22 W
(b) What happens to the average power if the wave amplitude is halved.
based on the equation above, we know that the average power is proportional to the square amplitude. therefore
= 
= 0.056 W
Answer:
Kinetic Theory states that pressure is not cause by molecule that push molecule to each other
Explanation:
Kinetic Theory
it is also known as kinetic molecular theory or the collision theory
Kinetic theory explain you property of gas such as
(1) pressure, (2) temperature, (3) volume
Kinetic Theory states that pressure is not cause by molecule that push molecule to each other and pressure is caused by molecule colliding with the each other and with the container
3 component of
kinetic theory are
-
when the molecules collide, there no energy is gain or lost
- In the gas molecule take approx negligible amount of space
- molecules are in constant and linear motion
Answer: Technician B
Explanation: In manual cars,the clutch safety is designed to stop the vehicle from moving when you start the gnition. It prevents power from flowing into the circuit . This is found in the pedal mechanism of cars so depressing the clutch pedal will likely cause a defective in the clutch safety. You will begin to perceive the clutch burning and white fumes coming out from the pedal.
Answer:
1426.8 N
Explanation:
Pressure, P = 3567 Pa
The area of Mr. Rosa’s foot, A = 0.4 m²
We need to find the force does one kick from Mr. Rosa create. The pressure acting due to force is given by :
where
F is force
So, the required force is 1426.8 N.
