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Me and I
Questions and answers by visitors named
Me and I
Questions (58)
A 10.0 Ω resistor is hooked up in series with an 8.0 Ω resistor followed by a 27.0 Ω resistor. The circuit is powered by a
4 answers
1,606 views
How would i solve this?
A 10.0 kg ball falling at 10.0 m/s hits a pile of feathers and comes to a complete stop in 10 s. What
6 answers
1,544 views
Help me with this please
A 10.0 Ω resistor is in parallel with a 20.0 Ω resistor and supplied by a 9.00 V battery. What is the
7 answers
1,525 views
What is the equivalent resistance of a parallel circuit with a 5.0 kΩ resistor, a 2.5 kΩ resistor, and 10.0 kΩ resistor?
A.
5 answers
3,656 views
Am i Correct?
2.0 cm*.044T*/.10 s= 0.88 V Each side of a square loop of wire measures 2.0 cm. A magnetic field of 0.044 T
3 answers
1,184 views
Guide me through this plz.
A single 1,300 kg cargo train car is rolling along a train track at 2.0 m/s when 400 kg of coal is
4 answers
699 views
Am I correct?
Two carts have a compressed spring between them and are initially at rest. One of the carts has total mass,
5 answers
3,431 views
Am I correct?
Which statement explains why a bicycle is stable when a rider pedals quickly? (Points : 1) The angular momentum
5 answers
907 views
It has a graph but i cant paste it on here, could you guide me through plz
Which is a root of f(x) = 0 with a multiplicity of 2?
5 answers
438 views
Can anyone please teach me how to divide polynomials using long division?
It's quite confusing. Like give me a problem to solve
3 answers
692 views
I need help with my lab, it's telling me to measure the mass of cup 1, but i don't understand how to measure it...
I have a
3 answers
506 views
(30)(Cm)Δ+(335.5)(4.18)Δ(21)=0
I need to find the specific heat of the masses, but i don't know how to, i'm currently doing a
1 answer
420 views
How would i solve this?
(30)(Cm)Δ+(335.5)(4.18)Δ(21)=0
1 answer
330 views
Help please, I don't understand how to do this...
Give an example of an arithmetic sequence that is found in the real world. Find
5 answers
1,902 views
How much heat is required to completely boil away 0.200 kg of water (Hv = 2.26 × 10^3 kJ/kg)?
(Points : 1) 4.52 × 102 kJ 2.26
5 answers
2,076 views
I don't understand this question...
What is the change in entropy for a system that has 250 J of heat added to it at 25°C?
2 answers
503 views
Help please
A 200.0 g copper block absorbs 2.34 × 10^3 J of heat to raise its temperature by 30.0 K. What is the specific heat
3 answers
817 views
Help me understand this please
You have a 2.00 kg block of lead. Lead melts at 327.5°C. CPb = 130.0 , and Hf for lead is 2.04
1 answer
706 views
Help me with this, please...
A ball is dropped vertically from a height of 80 meters. After each bounce, the ball reaches a
4 answers
655 views
Help me please I'm stuck on this question
2.In a thunderstorm at 20.0°C, Karen sees a bolt of lightning and hears the
4 answers
2,312 views
Last question i'm stuck on please help me through this.
Five waves pass a dock in 2.0 s. If the waves are traveling at 10.0 m/s,
5 answers
1,299 views
Help me with this question please
There are 12 red checkers and 3 black checkers in a bag. Checkers are selected one at a time,
5 answers
1,516 views
Please help me out with this
The numbers 1 through 50 are written with red marker on slips of paper while the numbers 51 through
3 answers
865 views
help please
There are 12 red checkers and 3 black checkers in a bag. Checkers are selected one at a time, with replacement. Each
3 answers
516 views
am i correct?
1(2x)^3 + 3(2x)^2*(-5y)^1 + 3(2x)^1*(-5y)^2 + 1(-5y)^3 answer (2x-5y)^3
4 answers
318 views
Help me with this please
There are 12 red checkers and 3 black checkers in a bag. Checkers are selected one at a time, with
1 answer
473 views
How would i do this?
Use the binomial theorem to expand (2x – 5y)^3
4 answers
1,263 views
What was the role of the northwest ordinance and what was its effect on the banning of slavery?
2 answers
527 views
Help me please
The table shows the distance and costs of flights for a given airline with the same starting destination and
1 answer
603 views
Please help me go through this
F = q1q2/r^2, i know this is the equation, but i don't know how to get the answer, please help.
4 answers
800 views
Help needed
Which of the following is equivalent to one ampere? 10 s/10 C 10 C/10 m 1.5 C/1.5 s 15 C/10 s
4 answers
497 views
am i correct?
A stream of moving charges results in a current of 5.6 A. How long does 116 C of charge take to flow past a fixed
4 answers
641 views
Am i correct?
Which of the following is a reasonable power rating on an electric oven? 220 V 8.0 A <-- this one seems reasonable
4 answers
737 views
Help me with this please
When a 20 V battery is hooked up to a 10 Ω resistor in a circuit, how much current flows through the
5 answers
2,181 views
I'm confused with this one, here's what i got
45.0 v/ 40.0Ω = 1.125 A is the answer b? A 10.0 Ω resistor is in parallel with a
5 answers
387 views
A 10.0 Ω resistor is in parallel with a 20.0 Ω resistor and supplied by a 9.0 V battery. What is the current passing through
5 answers
1,315 views
what is AB?
A= 3 , 5 B = 4 2 , 8 -7 this is a matrix, but it wont let me put in the brackets
5 answers
377 views
A 15.0 kΩ resistor is hooked up to a 45.0 V battery in a circuit with a switch.
a.) What is the current flowing through the
3 answers
1,122 views
Help me with this question, please
How will the total voltage of a string of light bulbs in series change as you add more bulbs
4 answers
650 views
am i correct?
An electric oven has a resistance of 10.0Ω and a voltage of 220 V. How much current does it draw? A. 2.2 A B. 22 A
4 answers
1,333 views
One 10.0 Ω resistor is wired in series with 10.0 Ω resistors in parallel. A 45.0 V battery supplies power to the circuit. What
6 answers
1,712 views
Am i correct?
If a 10.0 kW device pulls 20.0 A of current, what voltage exists across it? A. 5.0 *10^0 V B. 5.0 *10^1 V C. 5.0
5 answers
2,010 views
Which of the following is an appropriate measure of electric power on a toaster label?
A. 110 V B. 2.0 A C. 220 W D. 55 Ω
6 answers
2,142 views
Help me with this please
A 6.0 m section of wire carries a current of 5.2 A from east to west in the earth's magnetic field of
3 answers
993 views
Help please
The center of a circle is at (-5 , 1) and it has a radius of 9. What is the equation of the circle?
6 answers
459 views
Help please
A wire carries a current of 5.2 A from east to west through a 6.0 m section of wire in the earth's magnetic field of
2 answers
1,160 views
with this one i'm confused i'm not sure if it's b or d
The current in a solenoid is changed from 1.1 A to 4.4 A. By what factor
1 answer
458 views
Am i correct?
A plane intersects only one nappe of a double-napped cone. It is neither perpendicular to the cone's axis nor
3 answers
1,140 views
Am i correct?
My work 0.10/0.20= .5 = 1/2 or is it the other way around? .20/.10? Suppose a magnetic field of 0.20 T is applied
1 answer
437 views
I'm not really sure on this one...
Am i correct? A maglev train requires which of the following? A. track and the train must have
3 answers
719 views
Help please
How do the dark lines of an atom's absorption spectrum relate to the bright lines of its emission spectrum? A. The
2 answers
634 views
Bernardo divided one polynomial by another, as shown below.
(9x2-9x-10)/(3x+2) What is the quotient? A. 3x-1 + -8/3x+2 B. 3x-1 +
2 answers
478 views
A forklift exerts an upward force of 2.00*10^3 N on a box as it moves the box 5.00 m higher. How much work does the forklift do?
4 answers
1,151 views
A singer moves a note up one octave. How has the sound changed?
The amplitude has decreased The wavelength has increased The
2 answers
1,018 views
Okay last question I need help with
Monochromatic light of 605 nm falls on a single slit, which is located 85 cm from a screen.
5 answers
2,902 views
Consider the function f(x) = x4 – 3x3 – 7x2 + 15x + 18.
Use synthetic division to divide f(x) by x – 3. Use the answer to
4 answers
1,387 views
Consider the system below.
{4x-2y=-12} {3x-y=-3} Solve the system by using a matrix equation.
5 answers
700 views
An object is 30.0 cm to the left of a convex lens with a focal length of +8.0 cm. Calculate the distance from the lens. Would it
2 answers
927 views