Ask question

Ask question

All categories

3 years ago

14

In a velocity selector having electric field E and magnetic field B, the velocity selected for positively charged particles is v

= E/B. The formula is the same for a negatively charged particles.
a. True
b. False

1 answer:

maw [93]3 years ago

6 0

Answer:

True or False

Explanation:

Because.....

easy 50% chance you are right

You might be interested in

What scientist was the first to propose the heliocentric model of the universe

Schach [20]

This theory was first proposed by Nicolaus Copernicus. Copernicus was a Polish astronomer. He first published the heliocentric system in his book: De revolutionibus <span>orbium </span>coelestium<span> , "On the revolutions of the heavenly bodies," which appeared in 1543.</span>

3 0

2 years ago

The amount of matter contained in a given volume for a substance is called

Valentin [98]

This is called density.

5 0

3 years ago

He chart below compares the characteristics of four objects, A, B, C, and D, discovered in the solar system.

Leto [7]

Answer:

Object A and C (Second choice)

Let's observe one by one

#A..

Kupier belt is a belt associated at Neptune outerside similar to asteroid belt

Hence it's correct

#B.

Has enough gravity to keep other objects far away from its orbit

It's any planet or may be sun /star

No

#C

Is in orbit around the sun

Sure it's correct

#D

Is almost circular in shape

It's any planet or moons

5 0

2 years ago

What factor has the greatest impact on flexibility?

hjlf

That would be c. :) :) :)

4 0

3 years ago

If a particle's position is given by x=4-12t+3t^2, where t is in seconds and x is in meters, what is its velocity at t=1 second?

andreyandreev [35.5K]

Answer:

v = -6m/s

Explanation:

$x=4-12t+3t^2$

$\frac{dx}{dt}=-12+6t$

For t = 1:

$\frac{dx}{dt}=-6$

3 0

3 years ago