A football has a mass of 2 kg and it accelerates at 20 m/s2. What is its force? (You can use a calculator)

Physics

2 answers:

attashe74 [19]2 years ago

8 0

10 mps is the answer

kap26 [50]2 years ago

6 0

Answer:

The answer is 40mps.

Explanation:

1. Force = (mass of an object) x (acceleration)

2. Force = ( "has a mass of 2 kg" ) x ( "accelerates at 20 m/s^2" )

3. Plug the numbers into the formula

4. F = 2 x 20

5. F = 40 mps

<em>Hope I helped!! Please mark me branliest :)</em>

- sophi

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Not in book

umka2103 [35]

Answer:

$x=2.4365\ m$

and

$x=-1.4365\ m$

Explanation:

Given:

first charge, $q_1=5\times 10^{-3}\ C$

second charge, $q_2=3\times 10^{-3}\ C$

position of first charge, $x_1=-2\ m$

position of second charge, $x_2=-1\ m$

Now since there are only 2 charges and of the same sign so they repel each other. This repulsion will be zero at some point on the line joining the charges.

<u>Now, according to the condition, electric field will be zero where the effects of field due to both the charges is equal.</u>

$E_1=E_2$

since first charge is greater than the second charge so we may get a point to the right of the second charge and the distance between the two charges is 1 meter.

$\frac{1}{4\pi.\epsilon_0} \frac{q_1}{(r+1)^2} =\frac{1}{4\pi.\epsilon_0} \frac{q_2}{(r)^2}$