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Questions (19)
Luke wants to paint his bedroom blue. He has 8/9 of a gallon of paint. If he has three walls left to paint, how much paint will
1 answer
827 views
In a constant-pressure calorimeter, 65.0 mL of 0.330 M Ba(OH)2 was added to 65.0 mL of 0.660 M HCl. The reaction caused the
1 answer
1,128 views
In one day, a 85 kg mountain climber ascends from the 1440 m level on a vertical cliff to the top at 2360 m . The next day, she
1 answer
975 views
Suppose you deposit a principal amount of p dollars in a bank account that pays compound interest. If the annual interest rate r
3 answers
1,778 views
Please Help...
You buy a commemorative coin for $25. The value of the coin increases 3.25% per year. How much will the coin be
1 answer
570 views
on his first exam, he studied for 10 hours and went to tell the mall for 4hours, and got a score of 85. how long should he study
1 answer
517 views
when ax^2+bx+c is divided by x-1, the remainder is 10 if the same poly. is divided by x+2 the remainder is 1. x+1 is a factor of
1 answer
892 views
Part (a) of the figure below is a partial graph of the position function x(t) for a simple harmonic oscillator with an angular
1 answer
746 views
Suppose that a simple pendulum consists of a small 55.0 g bob at the end of a cord of negligible mass. Suppose that the angle
1 answer
644 views
If the phase angle for a block-spring system in SHM is π/5 rad and the block's position is given x = xm cos(ωt + ϕ), what is
0 answers
578 views
A 5.80 kg object on a horizontal frictionless surface is attached to a spring with spring constant 860 N/m. The object is
1 answer
616 views
In the figure below, the fresh water behind a reservoir dam has depth D = 13 m. A horizontal pipe 6.0 cm in diameter passes
2 answers
1,401 views
The intake in the figure has cross-sectional area of 0.75 m2 and water flow at 0.41 m/s. At the outlet, distance D = 180 m below
1 answer
1,998 views
Three liquids that will not mix are poured into a cylindrical container. The volumes and densities of the liquids are 0.35 L,
2 answers
2,215 views
the merging of two streams to form a river. One stream has a width of 8.9 m, depth of 3.5 m, and current speed of 2.1 m/s. The
1 answer
665 views
the merging of two streams to form a river. One stream has a width of 8.9 m, depth of 3.5 m, and current speed of 2.1 m/s. The
0 answers
841 views
n+6.5=12
Subtract 6.5 from 12 to find your answer.
0 answers
376 views
n-31/2=12
what is 2+2 do you all know any website that help you with your homework Yes. This website has many teachers who will
0 answers
494 views
n+1.5=12
n + 1.5 = 12 n = 12 - 1.5 What do you think n equals?
0 answers
313 views
Answers (10)
it doesnt have domain and range
0.00318
21000- 0.14v
68
Its easy
A 72-ohm coil of wire is connected in series with an adjustable resistor (rheostat) whose resistance can be varied from 0 to 88 ohms. If the line potential is 115 volts, calculate (a) the range through which the coil current can be varied, (b) the rheostat
BADD
I got .41 m for L in part a and trying to figure out part B!!!
I got part a) 166.25 b)?
thanks
