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mina [271]
3 years ago
11

Given an object's mass and observing its acceleration, what can be found in a direct application of Newton's second law of motio

n?
A.
the object's size
B.
the object's initial velocity
C.
the net force on the object
D.
the object's material composition
Physics
1 answer:
Natalka [10]3 years ago
6 0

Answer:

C. the net force on the object

Explanation:

That is because Force= mass x acceleration. The question says that we know the mass and acceleration, which means that it would be the force that resulted in the acceleration of the mass.

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At a distance of 0.220 cm from the axis of a very long charged conducting cylinder with radius 0.100cm, the electric field is 49
Scorpion4ik [409]

Answer:

At the distance of 0.220cm from the axis.

r = 0.220cm = 0.0022m, E = 490N/C, e0 = 8.854 x 10^-12F/m

Linear charge density = 2*π*e0*r*E = 2 x 3.142 x 8.854x10^-12 x 0.0022 x 490 = 5.998 x 10^-11C/m

Thus, To Calculate the Electric field at the distance r = 0.616cm from the cylinder axis, we substitute the calculated linear change density in the equation

E = (linear charge density)/2*π*e0*r

Here, r = 0.616cm = 0.00616m

E = [(5.998 x 10^-11)/(2 x 3.142 x 8.854 x 10-12 x 0.00616)]

E = 175N/C

Explanation:

The Electric field of a charged conducting cylinder obey the Gauss Law.

Therefore, the Electric field is given as:

E = (linear charge density)/4πe0r,

Where e0 is the permittivity of free space with constant value of 8.854 x 10^-12F/m, r is the radial distance from the axis.

3 0
3 years ago
The human tibia breaks under an impulse of 55 Ns. If after falling a person typically comes to eat in a time span of 0.005 s how
ozzi

Answer:

0.73 m/s

Explanation:

From Newton second law of motion,

I = m(v-u)...................... Equation 1

Where I = Impulse, m = mass of the person, v = final velocity, u = Initial velocity.

make v the subject of the equation

v =(I/m)+u................. Equation 2

Note: u = 0 m/s as the person is falling from an height.

Given: I = 55 Ns, m = 75 kg, u = 0 m/s

Substitute into equation 2

v = 55/75

v = 0.73 m/s

5 0
4 years ago
Which of the following is not used to measure wind?
lapo4ka [179]

Answer:

A) psychrometer

Explanation:

A psychrometer measures the relative humidity in the atmosphere not the wind.

6 0
3 years ago
Read 2 more answers
Is an electron cloud bigger than an atom?
Rashid [163]

Answer:

no

Explanation:

An electron is one of the components of an atom, so it cannot be larger than that.

5 0
2 years ago
a projectile leaves the ground with a velocity of 35 meters per second at an angle 32° what is the maximum height
Nina [5.8K]
To determine the maximum height for the projectile, we can use the timeless kinematics equation V _{f} ^{2} -V_{i}^{2}=2a \Delta y and plug in what we know. For V _{f} ^{2}, we know it is zero because at the highest location of flight, there is no vertical velocity. For V _{i} ^{2}, we know it is (35sin(32))^{2} since the vertical component is the sine of the velocity. We need to solve for y, so it is left as-is. Since the only acceleration is g, we can substitute -9.81 into it. Solving for the equation yields a solution of 17.55 m for \Delta y.
6 0
4 years ago
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