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Amiraneli [1.4K]
3 years ago
13

What is an electron? (it’s D lol)

Physics
1 answer:
iren2701 [21]3 years ago
8 0

Answer:

yeah..

Explanation:

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A car is moving from rest and attained a velocity of 80 m/s. Calculate the acceleration of the car after 5 s?
soldi70 [24.7K]

Answer:

400 m/s

Explanation:

If it is moving at a velocity of 80 m/s from rest, then after 5 s it would be at 400 m/s.

80 x 5 = 400

7 0
3 years ago
Need help on this one please
mamaluj [8]
The atomic number is a neutron
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3 years ago
Particles of charge +75, +48, and -85μC are placed in a line. The center one is 0.35 m from each of the others. Calculate the ne
ikadub [295]
+X axis is passing through from +75 to +48. then to _83
Now force on +75 due to +48 is being repulsive, with the direction -X, So the X component of force is negative.
Force on +75 due to -85 is attractive, with the direction of +X.
∴ The X component of force is positive
K is always constant and positive.
4 0
4 years ago
Find the change in thermal energy of a 25kg severed clown doll head that heats up from 25°C to 35°C, and has the specific heat o
timama [110]

Answer:

Q = 425 kJ

Explanation:

Given that,

Mass, m = 25 kg

The clown doll head that heats up from 25°C to 35°C

The specific heat is 1700 J/kg°C

We need to find the internal energy of it. The heat required to raise the temperature is given by the formula as follows :

Q=mc\Delta T\\\\Q=25\times 1700\times (35-25)\\\\Q=425000\ J\\\\Q=425\ kJ

So, 425 kJ of thermal energy is severed.

6 0
3 years ago
Which Particle in an atom has a positive charge?
tester [92]

Answer:

Protons

Explanation:

3 0
3 years ago
Read 2 more answers
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