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MaRussiya [10]
3 years ago
12

Please answer correctly will give brainlist if correct

Physics
1 answer:
Bess [88]3 years ago
6 0
If your keg is not moving the only energy your leg can have is Potential energy.
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A cinder block sits on a platform 20 m high. If it has a mass of 8 kg, find its energy
erastovalidia [21]
Since the block is not moving, it only has potential energy and no kinetic energy.
energy = mgh = 8 x 9.81 x 20 = 1569.6J
7 0
3 years ago
1-¿Que tipo de energía usa en su hogar para el alumbrado , la calefacción y artículos de entretenían, entre otros ? 2-¿ de que m
Harman [31]

Answer:

Explanation:

1.-Energía eléctrica ( electricidad ) proveniente de una fuente AC ( es decir de corriente alterna)

2.-Hay un proveedor de servicios que lleva la energía a las comunidades en general y en particular la lleva hasta mi casa y escuela. Se define como acometida eléctrica, la infraestructura que lleva la energía desde la red de distribución al tablero principal en el abonado. La acometida puede ser aérea o subterránea, y normalmente consta de tres conductores ( de los cuales dos son calibre AWG # 8 ( dos fases ) y uno AWG # 10 ( neutro ). Esta configuración permite tener: 120 y 240 (V) en servicio en la casa y suficiente capacidad para la carga eléctrica de una casa normal

3.-Si, el tipo de corriente. En el caso de una linterna se usan "pilas" o baterías de corriente directa ( que no varia en el tiempo), en la casa la corriente es alterna de 60 ciclos por segundo de frecuencia.

4.-Si el voltaje es menor en una medida importante la ampolleta no alumbra por cuanto si por ejemplo el voltaje nominal ( o de funcionamiento es 120 V y el voltaje suministrado es 50 V ese voltaje será insuficiente para hacer funcionar el circuito). Si el voltaje es mayor dígamos 240 V la ampolleta se quema.

5.-El interruptor nos asegura la maniobra a nuestra voluntad del circuito del cual forma parte. Es decir si tengo un circuito de alumbrado ( 1 bombillo y un interruptor ) ese interruptor me permitirá apagar y encender la luz cuando yo quiera.

Los breaker son "interruptores" son dispositivos de protección para caso de sobrecargas y/o cortocircuitos

5 0
3 years ago
Calculate the relativistic speed of a particle at a time 6 s after it star t = 0 s . The mass of the particle is 6 × 10-2 kg and
Mars2501 [29]

Answer:

The relativistic speed of a particle is 0.0333\times10^{-5}c

Explanation:

Given that,

Time = 6 sec

Force = 1

Mass of the particle m=6\times10^{-2}\ kg

We need to calculate the acceleration

Using formula of acceleration

a = \dfrac{F}{m}

Put the value into the formula

a=\dfrac{1}{6\times10^{-2}}

a=16.67\ m/s^2

We need to calculate the velocity after 6 sec

Using equation of motion

v = u+at

Put the value

v=0+16.67\times6

v=100\ m/s

The velocity in term of c

v=\dfrac{100c}{3\times10^{8}}

v=3.333\times10^{-7}c

v=0.0333\times10^{-5}c

Hence, The relativistic speed of a particle is 0.0333\times10^{-5}c

6 0
3 years ago
What do all types of waves on the electromagnetic spectrum have in common
const2013 [10]
They all travel by the same speed and light
4 0
3 years ago
Read 2 more answers
Astronomers estimate that a 2.0 km diameter asteroid collides with the Earth once every million years. The collision could pose
Finger [1]
The energy that will be released will be 8.95×10^(21) Joules
for comparison, the Nagasaki atom bomb released 8.8*10^(13) Joules
so this meteorite is (8.95×10^(21))/(8.8*10^(13))=100×10^6 (100 million) times more destructive

5 0
3 years ago
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