Physics, 22.10.2019 18:00 mi364

15.
(a) an oxygen‐16 ion with a mass of 2.66 10 kg 26  travels at 5.00 10 m/s 6  perpendicular to a 1.20‐t magnetic field, which makes it move in a circular arc with a 0.231‐m radius. what positive charge is on the ion?
(b) what is the ratio of this charge to the charge of an electron?
(c) discuss why the ratio found in (b) should be an integer.

Answers: 3

Show answers

Answers

Answer from: LEXIEXO

(a) $4.8\cdot 10^{-19} C$

The radius of the trajectory of a charged particle moving perpendicular to a magnetic field is given by

$r=\frac{mv}{qB}$

where

m is the mass of the particle

q is its charge

v is its velocity

B is the strength of the magnetic field

In this problem, we have:

$m=2.66\cdot 10^{-26} kg$

$v=5.00\cdot 10^6 m/s$

B = 1.20 T

r = 0.231 m

Solving for q, we find its charge:

$q=\frac{mv}{rB}=\frac{(2.66\cdot 10^{-26})(5.00\cdot 10^6)}{(0.231)(1.20)}=4.8\cdot 10^{-19} C$

(b) 3

The charge of an electron is

$e=1.6\cdot 10^{-19}C$

While the charge of this oxygen ion is

$q=4.8\cdot 10^{-19}C$

So, the ratio between the two charges is

$\frac{q}{e}=\frac{4.8\cdot 10^{-19}}{1.6\cdot 10^{-19}}=3$

An ion is an atom that has gained/lost an integer number of electrons. In this particular case, we see that the charge of the oxygen ion is 3 times that of the electron: this means that the ion has gained/lost exactly 3 electrons.

The ratio found in part (b) cannot be a fraction, because that would mean that the atom has gained/lost a fractional number of electrons: but this is impossible, since the electron is a fundamental particle so it cannot be "divided", therefore the ratio must be an integer.

Answer from: Quest

a solenoid is created by wrapping a l = 90 m long wire around a hollow tube of diameter d = 4.5 cm. the wire diameter is d = 0.9 mm. the solenoid wire is then connected to a power supply so that a current of i = 9 a flows through the wire.

randomized variablesl = 90 m

d = 4.5 cm

d = 0.9 mm

i = 9 a

write an expression for the number of turns, n, in the solenoid. you do not need to take into account the diameter of the wire in this calculation.

calculate the number of turns, n, in the solenoid.

write an expression for the length of the solenoid (l2) in terms of the diameter of the hollow tube d.

calculate the length of the solenoid (l2) in meters.

calculate the magnitude of the magnetic field at the center of the solenoid in teslas.

explanation:

Answer from: Quest

are you like autistic or something?

Another question on Physics

Physics, 22.06.2019 01:30

Ababy stroller is a rest on top of a hill which is 10 m high. the stroller and baby have a mass of 20 kg. what is the potential energy of the baby and stroller?

Answers: 1

Answer

Physics, 22.06.2019 04:00

If steel is more dense that lake water, why can a boat float

Answers: 1

Answer

Physics, 22.06.2019 15:00

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell

Answers: 3

Answer

Physics, 22.06.2019 15:50

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?

Answers: 1

Answer

You know the right answer?

15.
(a) an oxygen‐16 ion with a mass of 2.66 10 kg 26  travels at 5.00 10 m/s 6  perpendic...

Questions