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Klio2033 [76]
3 years ago
15

What would the world be like without energy?

Physics
1 answer:
Nitella [24]3 years ago
3 0
Well without energy we would have no oil, electricty or anything. I mean we need electricty for computers, phones, ovens, cars and so many more. Energy literlaly powers almost everything in the world! So the world would become a place where everyone would have to do things on thier own. They have to build fires to cook food, they have to wash their own clothes, they have to do all these things on their own instead of relying on electricty!

Hopefully this helps! :)
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A: If a net force greater than 0 N is applied to an electron and to a proton, which one will accelerate more? The mass of an ele
aleksandrvk [35]

according to newton's second law , net force on an object is the product of mass of the object and the acceleration of the object. the formula is given as

F = ma               where F = net force , m = mass and a = acceleration

so acceleration can be given as

a = F/m

for same net force , the acceleration depends on the mass of the object .

greater the mass , smaller will be the acceleration and vice versa.

Since the mass of electron is smaller as compared to the mass of proton, hence the electron will accelerate more as compared to proton.

A) The electron will accelerate more than the proton

8 0
3 years ago
Read 2 more answers
If two stars differ by 9.6 magnitudes what is their flux ratio?
galina1969 [7]
Borrowing from the tradition of the ancient Greeks, the first ones
who tried to describe the brightness of stars with numbers ...

                        6 magnitudes  =  a ratio of 100 .

In more modern notation . . .

                       1 magnitude = ratio of    (100) ^ (1/6)

                                             =  about  2.154...

                 9.6 magnitudes  =  (100) ^ (9.6/6) 

                                             =  100¹·⁶ 

                                             =   1,584.89  (rounded)
6 0
3 years ago
"A student bikes to school by traveling first dN = 0.900" and "Similarly, let d⃗ W be the displacement vector corresponding to t
raketka [301]

Complete Question

A student bikes to school by traveling first dN = 0.900 miles north, then dW = 0.300 miles west, and finally dS = 0.100 miles south.

Similarly, let d⃗ W be the displacement vector corresponding to the second leg of the student's trip. Express d⃗ W in component form.

Express your answer as two numbers separated by a comma. Be careful with your signs.

Answer:

The value is  dT  =  ( -0.3,  0.8)

Explanation:

From the question we are told that

   The first displacement is  dN  =  0.900 \  due  \  North i.e positive  y-axis

   The  second displacement is  dW =  0.300 \  miles  \  due \  west i.e negative  x-axis

   The final displacement is  dS =  0.100 \  miles \ due \ south i.e  negative  y-axis

Generally dW in component for is  

      dW =  (-0.3 ,  0)  

Generally the  total displacement of the student is mathematically represented as

     dT  =  ( -0.3,  (0.90 - 0.10))

      dT  =  ( -0.3,  0.8)

 

   

   

6 0
3 years ago
A car is travelling along a straight road with speed v measured in m/s. The power P measured in watts required to overcome exter
mojhsa [17]

Answer:

K = kg/m

Explanation:

as velocity has units of m/s  V³ has units of m³/s³

power has units of J/s = N•m/s = kg•m/s²•m/s = kg•m²/s³

kg•m²/s³ = K(m³/s³)

K = kg•m²/s³•s³/m³

K = kg/m

5 0
3 years ago
Waves that move matter back and forth are called                 a.transverse waves  b.longitudinal wave     c. Medium wave
Travka [436]
<span>Waves that move matter back and forth are called                 a.transverse waves  <u>b.longitudinal wave</u>     c. Medium wave</span>
3 0
3 years ago
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