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2 years ago

5

(forces and motion) explain in 3-2 sentences why acceleration is interesting.

1 answer:

Luden [163]2 years ago

7 0

Answer:

Acceleration is a vector and is the rate at which an object changes its velocity. Acceleration is not going fast.
If a person is moving fast but not changing speed, he is not accelerating.
The person or object has to be going fast sometimes, faster sometimes, or slower sometimes.

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The metallic elements which all react in water are found in the:

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The metallic elements which all react to water are found in the same group, the groups name is the Alkali metals, or also known as group one.

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4 years ago

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a car traveling north with a velocity of 29m/s changes its velocity to 36 in the span of 11s. What was the car's acceleration du

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3 years ago

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3 years ago

Consult Multiple-Concept Example 11 for background material relating to this problem. A small rubber wheel on the shaft of a bic

Papessa [141]

Answer:

$Emf=24.4V$

Explanation:

From the question we are told that:

Angular speed $\omega=40*\omega'$

Radius $r=0.33m$

No. Turns $N=163$

Area $A= 3.23 * 10^{-3} m^2$

Magnetic field. $B=0.0948T$

Acceleration $a=0.60m/s^2$

Time $t=6.72s$

Generally the equation for momentum is mathematically given by

$\omega'=\omega_o+\frac[a}{r}t$

$\omega'=0+\frac{0.60}{0.33}*6.72$

$W=12.22rad/s^2$

Therefore

$\omega=Aw$

$\omega=12.22*40$

$\omega=488.7rads/s$

Generally the equation for Peak emf is mathematically given by

$Emf=NBA \omega$

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$Emf=24.4V$

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3 years ago

If you make multiple measurements of your height, you are likely to find that the results vary by nearly half an inch in either

Verdich [7]

Answer:

Height h= 1.7 m

Explanation:

Supposing we have to find height in meter.

1 feet = 0.3048 m

1 inch = 0.0254 m

Given that:

5 feet

= 5×0.3048

= 1.524 m

and 7 inch = 7×0.0254= 0.1778 m

Therefore total height of a man in meter

5 feet 7 inch = 1.5424+0.1778 =1.7 m

Height h= 1.7 m

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4 years ago