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tresset_1 [31]
2 years ago
14

In which direction does the electric field point at a position directly east of a

Physics
1 answer:
svlad2 [7]2 years ago
3 0

Answer:

<h2>D. East </h2><h3>That's my correct answer</h3>

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A truck covers 40.0 m in 7.50 s while uniformly slowing down to a final velocity of 2.55 m/s. (a) Find the truck's original spee
iris [78.8K]

Answer:

(a) 8.117 (b) 0.742m/sec^2

Explanation:

We have given distance s =40 m time t=7.5 sec

Final velocity v =2.55 m/sec

From the first equation of motion v=u-at (negative sign because there is retrdation as the truck speed is slowing down )

So 2.55=u-7.5a --------------eqn 1

From the second equation of motion s=ut-\frac{1}{2}at^2 ( negative sign because there is retrdation as the truck speed is slowing down )

So 40=7.5u-0.5\times a\times 7.5^2

40=7.5u-28.125a------------------eqn 2

On solving eqn1 and eqn 2

u=8.117 m/sec and a=-0.742m/sec^2

7 0
3 years ago
Of the three types of radiation listed below, which is the least penetrating and which is the most penetrating? -alpha -beta -ga
Vikentia [17]

Answer:

Alpha is the least penetrating radiation listed below.

Gamma is the most penetrating radiation in the given list.

These rays can be used to detect cancer, sterilizing the medical instrument, smoke detector, etc.

Radiation emitted from the radioactive elements also have very harmful. They affect the living being a lot. Waste from the nuclear reactor also contains harmful radiation which causes Land pollution if not disposed of properly.

3 0
3 years ago
A 125kg man buy a 6kg watermelon, a 3kg cantaloupe, and 6kgs of potatoes, he walks home with his purchases in a large bag. His w
Stells [14]

Answer:

350N

Explanation:

Given parameters:

Mass of the man = 125kg

Mass of the watermelon = 6kg

Mass of cantaloupe  = 3kg

Mass of potatoes  = 6kg

Acceleration  = 2.5m/s²  

Unknown:

Force required to get home  = ?

Solution:

To find this force we use;

    Force  = mass x acceleration

mass  = 125 + 6 + 3 + 6  = 140kg

 So;

      Net force = 140 x 2.5  = 350N

5 0
3 years ago
How does a toaster oven use micro waves
vekshin1
It uses microwaves as little heatwaves and uses them to heat the food
5 0
3 years ago
Dimensionally, which of the following could be a velocity? *
astra-53 [7]

Answer:

5 meters per second

Explanation:

5m is the distance

5m west is the vector

5m per second is the velocity

5m per second west is unknown

5 0
3 years ago
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