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andrezito [222]
2 years ago
14

find the velocity of the object for all relevent times find the position of the object for all relevent times a softball is popp

ed up vertically velocity of 32 m/s
Physics
1 answer:
KATRIN_1 [288]2 years ago
4 0

Answer:

whats the formula

Explanation:

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How many electrons does it take to make up 4.33 C of charge?
Dovator [93]

Answer:

Number of electrons, n=2.7\times 10^{19}

Explanation:

It is given that,

Charge, q = 4.33 C

We need to find the number of electrons that make 4.33 C of charge. According to quantization of charge as :

q=ne

n = number of electrons

e = electron's charge

n=\dfrac{q}{e}

n=\dfrac{4.33\ C}{1.6\times 10^{-19}\ C}

n=2.7\times 10^{19}

So, the number of electrons are 2.7\times 10^{19} Hence, this is the required solution.  

7 0
3 years ago
Essam is abseiling down a steep cliff. How much gravitational potential energy does he lose for every metre he descends? His mas
Dafna11 [192]

Answer:

720 J

Explanation:

The gravitational potential energy that Essam loses for every metre is given by:

\Delta U=mg \Delta h

where

m=72 kg is Essam's mass

g=10 N/kg is the gravitational field strength

\Delta h=1 m is the difference in height

By substituting the numbers into the formula, we find

\Delta U=(72 kg)(10 N/kg)(1 m)=720 J

5 0
3 years ago
Read 2 more answers
How much work is done to lift a 3N box to a shelf 2m above the ground
Kaylis [27]
When the box IS on the shelf 2m above the ground,
its potential energy is

(weight) x (height) = (3 N) x (2 m)  =  6 joules .

THAT's the work you have to do, to lift the box up to there. 
6 0
3 years ago
What needs to be the relation between the two forces to cause the upper magnet to float without moving?
OleMash [197]

Answer:

If it points the other way, the fields subtract, for a lower energy, and so the magnet prefers to turn to point in this way. Magnets in uniform fields feel torques which make them turn around if they are not pointing in the right direction, but there is no net force making the magnet want to levitate.

Explanation:

7 0
3 years ago
Static cling is an example of
cestrela7 [59]
I would say c hope it helps:)
3 0
3 years ago
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