3 years ago

How much force is needed to make a 225 kg object accelerate at a rate of 2.5 m/s²?

Physics

1 answer:

aksik [14]3 years ago

8 0

F=ma using formula and solve your question

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Lolz plz help me with this it’s due soon

White raven [17]

Answer:

Explanation:

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3 years ago

What does an atomic nucleus give off a particle?

____ [38]

The correct answer is answer choice B.

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3 years ago

The voltage V in a circuit that satisfies the law V = IR is slowly dropping as the battery wears out. At the same time, the resi

Anastasy [175]

Answer:

$-0.5\times 10^{-4} A/s$

Explanation:

We are given that

$\frac{dV}{dt}=-0.01 V/s$

R=600 ohms

I=0.04 A

$\frac{dR}{dt}=0.5ohm/s$

$V=IR$

$\frac{dV}{dt}=\frac{\partial V}{dI}\frac{dI}{dt}+\frac{\partial V}{dR}\frac{dR}{dt}$

$\frac{dV}{dt}=R\frac{dI}{dt}+I\frac{dR}{dt}$

Substitute the values

$-0.01=600\times \frac{dI}{dt}+0.04\times 0.5$

$-0.01-0.04\times 0.5=600\frac{dI}{dt}$

$-0.03=600\frac{dI}{dt}$

$\frac{dI}{dt}=\frac{-0.03}{600}=-0.5\times 10^{-4}A/s$

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4 years ago

a train has a velocity of 44 metre per second and an acceleration of 4 metre per second square. its velocity after 10 seconds is

myrzilka [38]

Acceleration=Final velocity-Initial velocity /time.

Acceleration=a=4m/s².

Initial velocity= u= 44m/s

Final velocity=v= let it be v, since we are to look for the final velocity.

Time=t=10seconds.

Mathematically:

a=v-u/t

Substituting the givens into the equation.

4=v-44/10

cross multiply.

4×10 = v-44

40=v-44

40+44=v

v=84m/s

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4 years ago

The radius of the earth is 6.37 x 10ºm How fast in meters per second is a tree on the equator moving because of the earth's rota

REY [17]

Answer:

yea what the other guy said

3 0

3 years ago