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4 years ago

Help with this q? i got the first answer already

Physics

1 answer:

kozerog [31]4 years ago

7 0

Part b can be answered using the right-hand rule!

direction of velocity = thumb = pointed to the left (east to west)
the magnetic field = fingers = pointed downward
force = palm = out of the page

The force on the electrons is out of the page, so that is the direction in which they will be forced.

hope this helps! if you haven't learned right-hand rule yet, look it up- it's super useful :)

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Which of these is an organism??

elena55 [62]

You need to add a picture or answers!

5 0

3 years ago

A common technique in analysis of scientific data is normalization. The purpose of normalizing data is to eliminate irrelevant c

nataly862011 [7]

Answer:

V₂ = 0.4432

Explanation:

The normalize procedure is widely used in science, in this case we are going to normalize to the voltage value that exists 4 cm away

Vₙ= V_{measured} / V₀

where the voltage at the desired distance is V₀ = 185 mV = 0.185 V

the normalized voltage are

forr x = 4 cm

V₁ = 185/185

V₁ = 1

for x = 6.2 cm

V₂ = 82/185

V₂ = 0.4432

3 0

3 years ago

1. (I) If the magnetic field in a traveling EM wave has a peak magnitude of 17.5 nT at a given point, what is the peak magnitude

Elan Coil [88]

Answer:

The electric field is $E = 5.25 V/m$

Explanation:

From the question we are told that

The peak magnitude of the magnetic field is $B = 17.5 nT = 17.5 *10^{-9}\ T$

Generally the peak magnitude of the electric field is mathematically represented as

$E = c * B$

Where c is the speed of light with value $c = 3.0 *10^{8} \ m/s$

$E = 3.0 *10^{8} * 17.5 *10^{-9}$

$E = 5.25 V/m$

8 0

4 years ago

A) What is the meaning of specific heat capacity ?

dem82 [27]

Explanation:

the heat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree).

3 0

3 years ago

A coin dropped in the lift it takes time 0.5 s to reach the floor when lift is staionary it takes time t when lift is moving up

BARSIC [14]

Answer:

t₁ > t₂

Explanation:

A coin is dropped in a lift. It takes time t₁ to reach the floor when lift is stationary. It takes time t₂ when lift is moving up with constant acceleration. Then t₁ > t₂, t₁ = t₂, t₁ >> t₂ , t₂ > t₁

Solution:

Newton's law of motion is given by:

s = ut + (1/2)gt²;

where s is the the distance covered, u is initial velocity, g is the acceleration due to gravity and t is the time taken.

u = 0 m/s, t₁ is the time to reach ground when the light is stationary and t₂ is the time to reach ground when the lift is moving with a constant acceleration a.

hence:

When stationary:

$s=\frac{1}{2}gt_1^2\\\\t_1^2=\frac{2s}{g} \\\\When\ moving\ with\ acceleration(a):\\\\s=\frac{1}{2}(g+a)t_2^2\\\\t_2^2=\frac{2s}{g+a}$

Hence t₂ < t₁, this means that t₁ > t₂.

4 0

3 years ago