Fusion produces less radioactivity than fission.<br> True or false

List the charge, location, and mass of a proton, a neutron,<br> and an electron.

olya-2409 [2.1K]

Atoms consist of protons, neutrons and electrons

Explanation:

There are three particles in an atom:

Proton: it is located in the nucleus. Its mass is $m_p = 1.6726\cdot 10^{-27}kg$ , and it is positively charged (its electric charge is $+1.6\cdot 10^{-19}C$ , also called fundamental charge)
Neutron: it is also located in the nucleus. Its mass is slightly larger than the proton ( $m_n = 1.6749\cdot 10^{-27}kg$ ), and it has no electric charge. Protons and neutrons are held together inside the nucleus by the strong nuclear interaction
Electron: it is located outside the nucleus, in a region called "electron cloud". According to quantum mechanics, its exact position cannot be determined, but it can only be described by a "wave function" which gives the probability of finding the electron at a certain position. Its mass is much smaller than the proton ( $m_e = 9.11\cdot 10^{-31} kg$ ) and it is negatively charged (its charge is the opposite of that of the proton: $-1.6\cdot 10^{-19}C$ ).

Learn more about atoms:

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3 0

4 years ago

Buster Posey hits a pop-up straight up. The velocity of the baseball as it leaves the bat is 42.5 m/s. Determine (a) the total t

SSSSS [86.1K]

Answer:

part a: 4.25s

part b: 180.625m

Explanation:

part a:

what we know: vi=42.5m/s

t=?

vf=0

g= -10m/s^2

----------------------------------------------------------

equation: vf-vi/g=t

plug in: -42.5m/s/ - 10m/s^2 = 4.25s

-----------------------------------------------------------

part b: 42.5m/s x(times) 4.25s = 180.625m

4 0

3 years ago

If the action force is a player kicking a soccer ball, then what is the reaction force?

LiRa [457]

The force acting on his feet.

4 0

3 years ago

The acceleration due to gravity on the moon is about 5.4 ft/s2 . If your weight is 150 lbf on the earth:

Arada [10]

Answer:

4.662 slugs

Explanation:

Your mass on the moon should always be the same as any planet you are on (due to law of mass conservation), only your weight be different as gravitational acceleration is different on each planet.

If you weight 150 lbf on Earth, and gravitational acceleration on Earth is 32.174 ft/s2. The your mass on Earth is

m = W / g = 150 / 32.174 = 4.662 slugs

which is also your mass on the moon.

4 0

3 years ago

During the spin cycle of your clothes washer, the tub rotates at a steady angular velocity of 31.7 rad/s. Find the angular displ

Crank

Answer:

$\Delta \theta = 3116.11\,rad$ and $\Delta \theta = 495.944\,rev$

Explanation:

The tub rotates at constant speed and the kinematic formula to describe the change in angular displacement ( $\Delta \theta$ ), measured in radians, is: