Photon energy is directly proportional to frequency. So if we
want to find the radiation with the greatest photon energy, we
should look for the waves with the highest frequency (shortest
wavelength). From the list of choices, that's 'gamma rays'.
So Hooke's law says that that law is proportional to how much I stretch the spring. Alright. So f=kx<span>. x is the length of the spring now minus its length when it's relaxed and nobody's pulling on it. k is a constant called the spring constant.</span>
Answer:
KE = 250 kg/m/s
Explanation:
use the formula: KE = 1/2 m (v^2)
KE = 1/2 (5) (10^2)
KE = (2.5) (100)
KE = 250 kg/m/s
Answer:
a) N
b) m/s
Explanation:
a)
= radius of the orbit = 0.522 x 10⁻¹⁰ m
= magnitude of charge on each proton and electron = 1.6 x 10⁻¹⁹ C
Using coulomb's law , magnitude of electric force on the particle is given as
N
b)
= mass of electron = 9.1 x 10⁻³¹ kg
= speed of electron = ?
Centripetal force is being provided by the electric force, hence
Centripetal force = electric force
m/s