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jeyben [28]
3 years ago
12

In order to determine an object's speed on speed vs. time graph , the axes MUST be labeled with__

Physics
1 answer:
Mazyrski [523]3 years ago
6 0
<span>b) units and numbers</span>
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A proton and an electron are placed in an electric field. Which undergoes the greater acceleration?
iren2701 [21]

Newton's 2nd law:

Fnet = ma

Fnet is the net force acting on an object, m is the object's mass, and a is the acceleration.

The electric force on a charged object is given by

Fe = Eq

Fe is the electric force, E is the electric field at the point where the object is, and q is the object's charge.

We can assume, if the only force acting on the proton and electron is the electric force due to the electric field, that for both particles, Fnet = Fe

Fe = Eq

Eq = ma

a = Eq/m

We will also assume that the electric field acting on the proton and electron are the same. The proton and electron also have the same magnitude of charge (1.6×10⁻¹⁹C). What makes the difference in their acceleration is their masses. A quick Google search will provide the following values:

mass of proton = 1.67×10⁻²⁷kg

mass of electron = 9.11×10⁻³¹kg

The acceleration of an object is inversely proportional to its mass, so the electron will experience a greater acceleration than the proton.

6 0
4 years ago
Please help me with this
andrezito [222]

Answer:

1.To get your team to 25 points each period by serving, spiking, and setting the ball

2. A gymnasium with volleyball court markings, a net, a volleyball

7 0
3 years ago
Which is not a principle of fitness?<br> Overload<br> Height<br> Specificity<br> Individuality
Nitella [24]

Answer:

Height

Explanation:

7 0
3 years ago
Read 2 more answers
Newton's law of cooling says that the rate of cooling of an object is proportional to the difference between the temperature of
Feliz [49]

Answer:

T=T_o+C'e^{-kt}

Explanation:

Newton's law of cooling

Rate of cooling

\dfrac{dT}{dt}\alpha(T-T_o)

Where To is the surrounding temperature

T is object temperature at any time t

now by removing proportionality sign

\dfrac{dT}{dt}=-k(T-T_o)

Now by separating variables

\dfrac{dT}{(T-T_o)}=-k\ dt

\int \dfrac{dT}{(T-T_o)}=-\int k\ dt

So

\ln (T-T_o)=- k\ t +C

Where C is constant

T=T_o+C'e^{-kt}

C' is also a constant and it can be find by using boundary conditions.

4 0
3 years ago
A basketball has a mass of 1 kg and is traveling 12 m/s
cricket20 [7]

A) It would be doubled.

Why?

To answer the question, we just need to calculate the momentum of the basketball using the following formula:

Momentum=mass*velocity\\\\Momenum=1kg*12\frac{m}{s}=12\frac{kg.m}{s}

Now, we have calculated the momentum and the result is 12 kg.m/s, what would happen to the velocity if we double the momentum? Let's calculate it!

Momentum=mass*velocity\\\\(2)*12\frac{kg.m}{s}=1kg*velocity\\\\velocity=\frac{24\frac{kg.m}{s} }{1kg} =24\frac{s}{s}

Hence, we can see that if the momentum is doubled, the velocity will be doubled too.

Have a nice day!

7 0
3 years ago
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