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2 years ago

Where is date that can be controlled placed on a line graph ?

1 answer:

5 0

Question:Where is date that can be controlled placed on a line graph ? Answer: independent variable and can include things like temperature, time, depth, etc. This data is placed on the horizontal X axis.

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A wire along the z axis carries a current of 6.8 A in the z direction Find the magnitude and direction of the force exerted on a

Alexeev081 [22]

Answer:

Force is 14.93N along positive y axis.

Explanation:

We know that force 'F' on a current carrying conductor placed in a magnetic field of intensity B is given by

$\overrightarrow{F}=\overrightarrow{Il}\times \overrightarrow{B}$

where L is the length of the conductor

Applying values in the equation we have force F =

$\overrightarrow{F}=6.8\times 6.1\widehat{k}\times 0.36\widehat{i}\\\\\overrightarrow{F}=41.48\widehat{k}\times 0.36\widehat{i}\\\\\therefore \overrightarrow{F}=14.93N\widehat{j}$

Thus force is 14.93N along positive y axis.

3 0

2 years ago

An alpha particle (α), which is the same as a helium-4 nucleus, is momentarily at rest in a region of space occupied by an elect

beks73 [17]

Answer:

Speed of the alpha particle is $v=1.8180\times 10^3m/sec$

Explanation:

We have given charge on alpha particle $q=3.2\times 10^{-19}C$

Mass of the alpha particle $m=6.68\times 10^{-27}kg$

Potential difference $V=-3.45\times 10^{-3}volt$

We have to find the speed of the alpha particle

From energy conservation we know that

$\frac{1}{2}mv^2=qV$

$\frac{1}{2}\times 6.68\times 10^{-27}\times v^2=3.2\times 10^{-19}\times 3.45\times 10^{-3}$

$v=1.8180\times 10^3m/sec$

4 0

2 years ago

A 20,000 kg truck traveling at 25 m/s has a head-on inelastic collision with a 1500 kg car traveling at -30 m/s. calculate the i

tankabanditka [31]

Moment is mass times speed
INITIAL moment before collision was 20 000 times 25 = 500 000

7 0

2 years ago

Tech A states that digital signals are continuously variable, typically changing in strength and time. Tech B states that an ana

netineya [11]

Answer: none of them

Explanation: A digital signal only have 2 states (on and off or 1 and 0) hence making it change discreet.

An analog signal on the other hand is continuous in the sense that there is a value for the varying parameter at every point in time

5 0

2 years ago

Complete the statements about convection currents. Convection currents occur in fluids because of temperature and differences. C

marishachu [46]

Answer:

density; thermal

Explanation:

Convection currents occur in fluids because of temperature and density differences. Convection currents transfer thermal energy throughout a fluid.

<em>When a fluid is heated, the molecules closest to the heat source gets heated first and their temperature is raised. The rise in temperature lowers their density and as such, they move to the upper portion of the fluid to be replaced by yet-to-be-heated molecules at the upper portion. </em>

<em>When the replacement molecules also get heated, the same process occurs and a to-and-from rotational movement of molecules, also known as convection current, is created within the fluid. The to and from movement, thus, transfer thermal energy within the fluid until all the molecules within the fluid are at the same temperature.</em>

3 0

2 years ago

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