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VLD [36.1K]
3 years ago
11

The Back Saver Sit and Reach from the Fitnessgram measure this fitness component.

Physics
1 answer:
MAVERICK [17]3 years ago
7 0
The correc answer is B.
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A bus took 8 hours to travel 639 km. For the first 5 hours, it
sergey [27]

Answer:

93

Explanation:

7 0
3 years ago
An object of mass 0.400.40 kg, hanging from a spring with a spring constant of 8.08.0 N/m, is set into an up-and-down simple har
sineoko [7]

Answer:

Acceleration will be equal to 2m/sec^2      

Explanation:

We have given mass of the object m = 0.4 kg

Spring constant k = 8 N/m

Maximum displacement of the spring is given x = 0.1 m

From newton's law force is equal to F=ma.....eqn 1

By hook's law spring force is equal to F=kx .....eqn 2

From equation 1 and equation 2

ma=kx

0.4\times a=8\times 0.1

a=2m/sec^2

So acceleration will be equal to 2m/sec^2

8 0
4 years ago
If this combination of capacitors is attached to a 9 v battery how much energy will be stored on the plates 25 15
Vlad1618 [11]

The energy stored on the plates will be 378.5 J. The combination of capacitors is in series.

<h3>What is a capacitor?</h3>

A capacitor is a device that can store electrical energy. It is a two-conductor configuration separated by an insulating medium that carries charges of equal size and opposite sign.

An electric insulator or vacuum, such as glass, paper, air, or a semiconductor termed a dielectric, can be used as the non-conductive zone.

The complete question is;

"If this combination of capacitors is attached to a 9.00 V battery; how much energy will be 25 μF 15 μF stored on the plates?"

If the two capacitors are in series the equivalent capacitance will be;

\rm \frac {1}{C} = \frac{1}{C_1}+\frac{1}{C_2} \\\\ \rm \frac {1}{C} = \frac{1}{25}+\frac{1}{15} \\\\ C = 9.375

Energy will be stored on the plates;

\rm E = \frac{1}{2}CV^2 \\\\ E= \frac{1}{2} \times 9.375 \mu F \times ( 9 \ V)^2\\\\E = 378.5 \ J

Hence the energy stored on the plates will be 378.5 J.

To learn more about the capacitor, refer to the link: brainly.com/question/14048432.

#SPJ1

4 0
2 years ago
1. una masa oscila a la frecuencia de 3Hz y con una amplitud de 6cm. ¿cuáles serán sus posiciones en los tiempos t=0 y t= 3.22 s
alisha [4.7K]

Answer:

yes

Explanation:dccdcc

3 0
3 years ago
How can you tell if a christmas tree light bulb is burned out just by looking at it?
zubka84 [21]
You can tell by making sure that the lights are unplugged and tighten lights then plug it in if I didn't work it's burnt :) hope it works
6 0
3 years ago
Read 2 more answers
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