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Cem Hayes 2021-01-10

If $x^{″} + x^{'} - 6 x = e^{- t}, with x (0) = x^{'} (0) = 0$ , what is the value of X(s)?

glamrockqueen7 2021-01-10

1. BrO4
What is formal charge and oxidation number of Oxygen and Bromine?

Mylo O'Moore 2021-01-10

Two skaters, one with mass 65 kg and the other with mass 40 kgstand ohn an ice rink holding a pole of length 10m and negligiblemass. starting from the ends of the pole, the skaters pullthemelves along the pole until they meet. how far does the 40kg skater move?

Albarellak 2021-01-10

give the possibel term symbols for Br[Ar]3d104s24p5

postillan4 2021-01-10

A cable is lifting a construction worker and a crate. The weights of the worker and crate are 965 and 1510 N , respectively. The acceleration of the cable is 0.620 $\frac{m}{s^{2}}$ , upward. What is the tension in thecable (a) below the worker and (b) above the worker?

Tazmin Horton 2021-01-10

A bridges-T network is often used in AC control systems as afilter network. The circuit of one bridged-T network is shown in Figure. Show that the transfer function of the network is;
$\frac{V_{0} (S)}{V_{\in (S)}} = \frac{1 + 2 R_{1} C_{δ} + R_{1} R_{2} C^{2} s^{2}}{1 + (2 R_{1} + R_{2}) C_{δ} + R_{1} R_{2} C^{2} s^{2}}$
Sketch the pole-zero diagram when $R_{1} = 0.5, R_{2} = 1$ and $C = 0.5$

nagasenaz 2021-01-10

Two masses of 3.00 kg and 5.00 kg are connected by a light stringthat passes over a frictionless pulley, and was shown in Figure5.15a.
Figure 5.15a
(a) Determine the tension in the string. N
(b) Determine the acceleration of each mass.
m/s2 upwards (3.00 kg mass)
m/s2 downwards (5.00 kg mass)
(c) Determine the distance each mass will move in the firstsecond of motion if they start from rest.
m (3.00 kg mass)
m (5.00 kg mass)
i don't understand how to do like any of this problem, someone please help me!!!!!

alesterp 2021-01-10

On an icy winter day, the coefficient of friction between thetires of a car and the roadway is reduced to one-half of its valueon a dry day. As a result, the maxiumum speed at which acurve of radius R can be safely negotiated is reduced. Whatpercentage of the dry day speed is safe on an icy day? Thank you for your help!!

lwfrgin 2021-01-08

Since $P x = - 1 = P x = 1 = \frac{1}{2}$ , calculate the expected value and variance of the X random variable.
$E [{(X + 1)}^{2}] =$ ?

Emily-Jane Bray 2021-01-08

Please help I am in a hurry!!
Consider the following four objects: a hoop, a solidsphere, a hollow sphere, a flat disk. Each of the objects hasa mass M and a radius R. The axis of rotation passes throughthe center of each object, and is perpedicular to the plane of thehoop and the plane of the flat disk. Which object requiresthe largest torque to give it the same angular acceleration. I need to justify my answers and rank the objects starting with theone that requires the largest torque.

Khadija Wells 2021-01-08

A bank teller has a total of 70 bills in five-, ten-, andtwenty-dollar denominations. the number of fives is threetimes the number of tens, while the total value of the money is$960. Find the number of each type of bill. Solve usngthe Echelon method. Can someone help me setting up this problem

Reggie 2021-01-08

Piston 1 in Figure has a diameter of 0.25 in. Piston 2 haves a diameter of 1.2 in. In the absence of friction, determine the force, necessary to support the 500 lb weight.

floymdiT 2021-01-08

A mass sitting on a horizontal, frictionless surface is attached to one end of a spring; the other end is fixed to a wall.3.0 J of work is required to compress the spring by 0.12 m. If the mass is released s from rest with the spring compressed, it experiences a maximum acceleration of 15 $\frac{m}{s^{2}}$ . Find the value of the spring constant and the mass.

cistG 2021-01-08

What resistance must be placed in parallel with a 155 Resistor to make the equivalent resistance 115 ?

Ramsey 2021-01-08

A delivery truck travels 18 blocks north, 10 blocks east, and 16 blocks south. What is its final displacement from the origin?Assume blocks are equal length.

shadsiei 2021-01-07

What is the tangential speed of the equatorial city of Nairobi, Kenya? The earth rotates once every 23.93 hours and has a 6380 km equatorial radius.

Kye 2021-01-07

Two positive point charges are held in place, 0.74m apart.They are then moved so that their electric potential energydoubles. What is the new sparation between the charges.

ediculeN 2021-01-06

Aneeka Hunt 2021-01-06

The diagram shows an inductor that is part of a circuit. Thedirection of the emf induced in the inductor is indicated. Which ofthe following is possible?

ruigE 2021-01-06

Which cation is larger and why: cu+ or cu2+

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Sometimes students that seek algebra assistance come from non-Math subjects where logic and irrational numbers problems should be solved.

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