3 years ago

If two automobiles have the same velocity do they have the same acceleration?

Physics

1 answer:

Mademuasel [1]3 years ago

8 0

Nope not really one could have a faster acceleration than the other.

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Help me please i need help quickly<br>does the lqmp act as a resistor

gayaneshka [121]

Answer:

I don't know. sry

Explanation:

I'm really sorry

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3 years ago

A 5.0 g coin is placed 15 cm from the center of a turntable. The coin has static and kinetic coefficients of friction with the t

Kaylis [27]

Answer:

Angular speed will reach 6.833rad/s before the coin starts slipping

Explanation:

There is no question but I'll asume the common one: Calculate the speed of the turntable before the coin starts slipping.

With a sum of forces:

$Ff = m*a$

$Ff=m*V^2/R$

At this point, friction force is maximum, so:

$\mu*N=m*V^2/R$

$\mu*m*g=m*V^2/R$

Solving for V:

$V=\sqrt{\mu*g*R}$

V=1.025 m/s

The angular speed of the turntable will be:

ω = V/R = 6.833 rad/s This is the maximum speed it can reach before the coin starts slipping.

7 0

3 years ago

William finds a piece of pure iron in his garden. After a few days, the iron begins to rust. What are the two types of substance

nordsb [41]

Answer: an element; a compound
A compound is a molecule with at least two kinds of atoms. Since iron is only containing Fe then it shouldn't be a compound.
After iron got rust reaction, it will have oxygen make it become iron oxide. The iron oxide having Fe and O so it is a compound.

8 0

3 years ago

If a 580 N net force acts on a 40 kg what will the acceleration of the car be

myrzilka [38]

Answer:

I think u have to do 580N times 40KG

7 0

3 years ago

Read 2 more answers

Which is not an example of work being done?

mezya [45]

C. Carrying a backpack to class