A turntable is designed to acquire an angular velocity of 32.4 rev/s in 0.5 s, starting from rest.Find the average angular acceleration of the turntable during the 0.5 s period.
Answer in units of rad/s2
Answers
One rev/s is
Answer:
not sure lol
Explanation:
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Related Questions
At a certain elevation, the ________ , the air becomes saturated and water-vapor molecules ________.
In order for an object to accelerate, a forcegravityfrictiona swing must be applied.
Which explains how the Coriolis effect causes air circulation? A. Air from the equator moves toward the poles slower than the ground below it, so friction causes the air to veer east. In contrast, air from the poles moves toward the equator faster than the ground below it, so friction causes it to veer to the west. B. Air from the equator moves toward the poles faster than the ground below it, so friction causes the air to veer west. In contrast, air from the poles moves toward the equator slower than the ground below it, so friction causes it to veer to the east. C. Air from the equator moves toward the poles faster than the ground below it, so friction causes the air to veer east. In contrast, air from the poles moves toward the equator slower than the ground below it, so friction causes it to veer to the west. D. Air from the poles moves toward the equator faster than the ground below it, so friction causes the air to veer east. In contrast, air from the equator moves toward the poles slower than the ground below it, so friction causes it to veer to the west.
Can anyone help me with this question?
Answers
The magnitude of the force F on the 1.0 nC charge 3.11N.
What is force?
A force is an effect that can alter an object's motion according to physics. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to describe force is as a push or a pull. A force is a vector quantity since it has both magnitude and direction.
In this problem, the 2.0 nC charges both act forces of equal magnitude on the 1.0 nC charge. Since there x-components are equal but opposite, they cancel out and only the y-components remain and add up. This can be used then to calculate for the magnitude of the total electrostatic force.
F = 2 * q1 * q2 / 4 / pi / eps_0 / r^2 * sqrt(3) / 2
F = 2 * 1.0e-9 * 2.0e-9 / 4 / pi / 8.854e-12 / (1.0e-2)^2 * sqrt(3) / 2
F = 3.11N
The magnitude of the force F on the 1.0 nC charge 3.11N.
To learn more about force refer to the link:
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Answers
Since there are 8 positively charged particles or protons, there are also 8 electrons and that element's atomic number is 8. Neutrons is atomic mass minus atomic number which is 7 neutrons in this case.This element is therefore oxygen.
Answer:
A.) The atom has 7 neutrons and 8 protons.
Explanation:
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Answers
Answer;
the potential difference
The magnitude of the electric current is directly proportional to the potential difference of the electric field
Explanation;
An electric current results from the collective movement of free charges under the effect of an electric field. An electric field exists and can be observed in the space around a single charge or a number of charges.
Electric fields cause charges to move. It stands to reason that an electric field applied to some material will cause currents to flow in that material. In other words, the current density is directly proportional to the electric field. The constant of proportionality σ is called the material’s conductivity.
The Magnitude of the electric current is directly proportional to the voltage of the electric field.
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b) gram (used to measure mass)
c) cubic centimeter (used to measure volume)
Answers
Answer:
Option (c)
Explanation:
The combination of two or more fundamental units is called derived unit. For example, cubic metre, newton per metre, metre per second.
Thus, cubic centimetre is a derived unit.
B. 12,000J
C. 5,880J
D. 2,940J
Answers
the formula will fit in, once you know the formula you are good to answer.
k.e.=1/2 mv^2