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3 years ago

What is the mass of a box that accelerates to 10 m/s/s with a 70 Newton push?

Physics

1 answer:

Allisa [31]3 years ago

8 0

Answer:

Mass of box = 7 kg

Explanation:

Force = 70 N

Acceleration = 10 m/s²

Force is product of mass and acceleration.

$\longrightarrow$ Force = Mass × Acceleration

$\longrightarrow$ 70 = Mass × 10

$\longrightarrow$ Mass = $\sf \dfrac{70}{10}$

$\longrightarrow$ Mass = 7 kg

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Anettt [7]

Proton: Its electrical charge is +1, its mass is 1, it's found in the nucleus

Neutron: Its electrical charge is 0, its mass is 1, it's found in the nucleus

Electron: Its electrical charge is -1, its mass is negligible, it's found outside the nucleus

Explanation:

Atoms consist of three types of particles:

Proton: the proton is found in the nucleus of the atom, and it has a positive electric charge, equal to $+1.6\cdot 10^{-19}C$ (expressed in units of fundamental charge, it has a charge of +1). Its mass is $1.67\cdot 10^{-27}kg$ , while its mass expressed in atomic mass units is 1 a.m.u
Neutron: the neutron is also found in the nucleus of the atom, and it has no electric charge. Its mass is similar to the mass of the proton (slightly larger), and neutrons and protons are held together in the nucleus by the presence of the strong nuclear force
Electron: the electron orbits around the nucleus, far away from it. It has negative electric charge, opposite to that of the proton ( $-1.6\cdot 10^{-19}C$ , or -1 in units of fundamental charge). Its mass is much lower than that of the proton, approximately 1800 times smaller, so it can be considered as negligible.

Learn more about atoms:

brainly.com/question/2757829

#LearnwithBrainly

8 0

3 years ago

Calculate the AMA of an access ramp if it takes 255 N of force to push a person in a wheelchair having a combined weight of 764

Andreyy89

Actual Mechanical Advantage(AMA) = Weight / Force
Here, Weight = 764 N
Force = 255 N

Substitute the values in to the expression,
AMA = 764 / 255
AMA = 2.99

After rounding-off to the nearest tenth value, it would be 3

Finally, option C would be your answer.

Hope this helps!

7 0

3 years ago

If the absolute temperature of a gas is 600 K, the temperature in degrees Celsius is

gavmur [86]

Kelvin is a base unit of temperature scale from SI that defines as zero degree Kelvin (absolute zero). The absolute zero is a hypothetical statement that all molecular movement stops because there is no transient of energy for the molecules to move. When converting temperature in degree Celsius to Kelvin, add 273. You are given 600K and you are asked to find it in degrees Celsius.

T(K) = T(C) + 273
600 K = T(C) + 273
T(C) = 600 – 273
T(C) = 327 °C
The answer is letter B.

6 0

3 years ago

Read 2 more answers

List three ways light can be grouped based on how much light shines through or passes through them

Dovator [93]

Answer:

Materials can be classified based on the amount of light they transmit. Materials, which allow complete transmission of light, are called transparent. Any object can be seen through a transparent material. One example of transparent material is pure glass.

Explanation:

Does this help ?

8 0

3 years ago

Read 2 more answers

Please help.

Alex787 [66]

Explanation:

mathematically,

$kinetic \: energy \: = \frac{1}{2} m {v}^{2}$