07/27/21

Find the first four terms and the 100th term of the sequence whose nth term is given
Find the first four terms and the 100th term of the sequence whose nth term is given. an =  −1 3   a1  =    a2  =    a3  =    a4  =    a100  =   
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07/24/21

Find the first four terms and the 100th term of the sequence whose nth term is given
Find the first four terms and the 100th term of the sequence whose nth term is given. an =  −1 3 n   a1  =    a2  =    a3  =    a4  =    a100  =   
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06/23/21

Calculate the cost of energy lost
You should establish a power plant that needs 30 MW of power. 220V - will consist of a two-wire line of copper wire with a diameter of 0.5 mm. Calculate the cost of energy lost to heat per hour,... more
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06/09/21

Over a period of 20 years, the population P (in thousands) of a town can be modeled
Over a period of 20 years, the population P (in thousands) of a town can be modeled by P = 0.0088t^3 − 0.245t^2 + 1.92t + 77 where t is the time (in years).a. Use a graphing calculator to graph the... more
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05/13/21

The loop rule in Junction rule for circuits are consequences of
A. Conservation of energyB. Conservation of chargeC. conservation of energy and charge respectivelyD. conservation of charge and energy respectively
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05/10/21

Determine the net change and the average rate of change for the function f(t) = t ^ 2 - 5t between t = 3 and t = 3 + h
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05/10/21

Which of the following describes g(x) after the following transformations:
Which of the following describes g(x) after the following transformations: Vertical stretch of a factor of 3 Reflected over the y-axis Translated 5 units up
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04/29/21

Question in comments

A thin uniform disk of mass M and radius R has a string wrapped around its edge and attached to the ceiling. The bottom of the disk is at a height 3R above the floor, as shown above. The disk is... more
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04/16/21

help please.. In the figure shown, the volume at point C is 800 L and the pressure is 2 atm. The volume at a is 400 L and the pressure is 5 atm. (a) What is the wor
In the figure shown, the volume at point C is 800 L and the pressure is 2 atm. The volume at a is 400 L and the pressure is 5 atm. (a) What is the work done as the system goes through one complete... more
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04/11/21

Kirchhoff’s Laws & Current Divider / Voltage Divider
6. In what situation we cannot select both current and voltage references randomly? Why?
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03/31/21

need help precaluclus hw due in a few !!!
If g(x) is the f(x)=x after a vertical compression by 1/2, a shift left by 1, and a shift down by 4,a) write an equation for g(x): g(x) =   b) The slope of this line is:   c) The vertical... more
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03/31/21

Tutor class cancellation
My graddaughter Lexie Santoya had a session scheduled for 11am CST but there seemed to be some confusion since Christian (tutor #15588712) had it scheduled for 11EST. Since he is not able to... more
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03/14/21

Let y=tan(3x+3).Find the differential dy when x=5 and dx=0.3   Find the differential dy when x=5 and dx=0.6
Let y=tan(3x+3).Find the differential dy when x=5 and dx=0.3   Find the differential dy when x=5 and dx=0.6
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03/13/21

Find the voltage induced across a coil of 22mH if the rate of change of current through the coil is...
Find the voltage induced across a coil of 22mH if the rate of change of current through the coil is...a.) 1 A/sb.) 1 mA / msc.) 2 mA / 10 μs
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03/08/21

Force of Gravity
Two spherical objects have masses of 970000kg and 6100kg. The gravitational attraction between them is 35N. How far apart are their centers?
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03/08/21

State the possible number of real zeros for the function.
x^3 +2x -3State the possible number of real zeros for the function
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03/02/21

Dynamics of Sliding Irregularly Shaped Objects - A Folded Pizza
A pizza is folded twice until it resembles a sector of 1/4 the pizza area. It lies on the pan with a vertex at the original center position of the pizza, and a curved edge at the position of the... more
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02/17/21

What if the same 20kg dog running 3m/s leaped off the ground. What is the mechanical energy now?
Please show work, of how you found the mechanical energy.
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02/17/21

Materials A-level physics

1. A rubber cube of volume 0.8cm3falls vertically through 6m onto a concrete floor. The cube experiences a maximum strain of 1.11% and remains in contact with the ground for 0.8s before rebounding... more
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02/15/21

A microwave oven has a power requirement of 1,245 W. A frozen dinner requires 4.8 min to heat on full power. (a) How much electrical energy (in kWh) is used? kWh
This is the second part of the question. (b) If the cost of electricity is 10¢ per kWh, how much does it cost to heat the dinner? (Do not round your final answer. Fractional cent values are... more
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02/05/21

physics, Electric Field, question is in the description
What is the magnitude and direction of the electric field 0.25 meters away from a point charge with 5.0 C. Draw a diagram. Use proportional reasoning to find the field strength at positions 0.125... more
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02/05/21

Does 40kg mass and 40N weight have the same mass?
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02/05/21

Physics, Electric Fields, Question is in the description
What is the relationship between the electric field strength and the distance from the point source? If you move three times farther away, what will happen to the field strength?
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01/19/21

air passes over the top of an airplane wing at 170 m/s and over the bottom at 130 m/s. the wing has a surface area of 25.5 m^2. what is the TOTAL LIFT FORCE on the wing?
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12/24/20

creating linear inequalities

Travis practices his guitar for at least 10 hours per week. He practices for half an hour each session. If Travis has already practiced for 4 hours this week, how many more sessions remain for him... more
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