Expert Assistance in Solving College-level Math Problems

College

What is voltage sensitivity of galvanometer?

Fiona Chung 2023-03-27

A lead pencil consists of a cylinder of wood with a solid cylinder of graphite filled in the interior.The diameter of the pencil is 7 mm and the diameter of the graphite is 1 mm.If the length of the pencil is 14 cm, find the volume of the wood and that of the graphite.[Assume $π = \frac{22}{7}$ ]

Abril Huynh 2023-03-27

Identify the simple machine used in bicycle.
Lever
Inclined plane
Wheel and axle
Pulley

Abril Huynh 2023-03-26

Find an equation equivalent to $x^{2} - y^{2} = 4$ in polar coordinates.

Injenueengado1zy8 2023-03-26

How do I find the y-intercept of a parabola?

breedvsr5 2023-03-25

A capacitor has a capacity C and reactance X. If the capacitance and frequency both are doubled, the reactance will become
A. 4X
B.X/2
C. X/4
D.2X

poetinjam4gj4 2023-03-25

Why do electrons flow from negative to positive and electric charge flows from positive to negative?

Keegan Stevens 2023-03-25

In a random survey 250 people participated. Out of 250 people who took part in the survey, 40 people listen to Pink Floyd. 30 people listen to Metallica and 20 people listen to John Denver. If 10 people listen to all three then find the no. of people who listen only Pink Floyd.

inframundosa921 2023-03-25

A truck on a straight road starts from rest, accelerating at $2 m s^{- 2}$ , until it reaches a speed of $20 m s^{- 1}$ . Then the truck travels at a constant speed for $20 s$ until the brakes are applied causing the truck to decelerate uniformly to stop it in additional $5 s$ .
(a) For how much time the truck is in motion?
(b) What is the average speed of the truck for its entire motion?

Kyla Rollins 2023-03-25

The volume of air taken in and out of the lungs during normal breathing is called___
tidal volume
residual volume
inspiratory reserve volume
expiratory reserve volume

crubats4b5p 2023-03-25

The velocity function is $v (t) = - t^{2} + 3 t - 2$ for a particle moving along a line. What is the displacement (net distance covered) of the particle during the time interval [-3,6]?

atentan4t9j 2023-03-25

Consider two vectors A=3i - 1j and B = - i - 5j, how do you calculate A - B?

Landyn Allison 2023-03-25

What makes the planets rotate around the sun.

hor1paeeja 2023-03-25

What are the vertices of $9 x^{2} + 16 y^{2} = 144$ ?

Monique Henson 2023-03-25

Which of the following statements about an electric circuit is/are true?
The circuit can be closed only when the switch is in ON position.
The circuit can be closed only when the switch is in OFF position.
The wires should not have any breaks or gaps for circuit to be closed.
It should have only one electric cell.

voluttaio7i7h 2023-03-25

The charge of an electron is 1.6×10^−19 C. How many electrons strike the screen of a cathode ray tube each second when the beam current is 16 mA?

zookeeper1930r8k 2023-03-25

How was it shown that an atom has empty space?

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