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A rotating flywheel can be used as a method to store energy. If it has 108105j of kinetic energy when rotating at 400 rad/s and if a frictional torque of 4.0 n m acts on the system, in what interval
A series RCL is at resonance and contains a variable resistor that is set to 175 ohms. The power delivered to the circuit is 2.6 W. Assuming that the voltage remains constant, how much power is deli
In an arithmetic series, the term of the series are equally spread out. If the first term in an arithmetic series is 3, and the last is 136, and the sum is 1390, what are the first 3 terms?
A 10 ohm resistor, a 12.0 microfarad capacitor, and a 17.0 mH inductor are connected in series with a 155 V generator. a) At what frequency is the current a maximum? b) What is the maximum value of
Another truck traveled from orlando toward miami at the rate of 42 mph. both trucks started traveling at the same time. how many miles did each travel before they met?
A vertical straight wire carrying an upward 28 -A current exerts an attractive force per unit length of 6.7*10^-4 N/m on a second parallel wire 6.0 cm away. What current (magnitude) flows in the sec
Gina weighed twice as much as Brianna. Annie weighed 5 more pounds than Brianna. Together they weighed 205 pounds. How much did each sister weigh?
When a second capacitor is connected in parallel with the first one, the current from the generator increases by 0.18A. Find the capacitance of the second capacitor.
You wish to create an image that is 10 meters from an object. This image is to be inverted and half the height of the object. You wish to accomplish this using one spherical mirror. What is the foca
What would be the amount of compound interest on $13,000 invested for three years at 4%, compounded semiannually? Round your answer to the nearest dollar.
What % of the total original mass of the system does this mass change represent?
A point on the rim of a 0.60 m diameter grinding wheel changes speed uniformly from 10 m/s to 25 m/s in 9.5 s. What is the average angular acceleration of the wheel during this interval?
Suppose you inherit one billion dollars. The bank pays you the entire amount of money in $100 bills. About how much will your payment weigh in tons?
A baseball is thrown from the roof of a building of height 20.6 with an initial velocity of magnitude 14.0 and directed at an angle of 53.3 above the horizontal
Station B is located at the midpoint between stations A and C. If the distance betwee stations A and D is 2.4 kilometers, what is the distance between stations B and D?
The stand's profits, or 1/3 of ¾ of the stand's profits. Which should Billy choose to maximize the amount he will earn, and by what amount will his earnings be increased?
A person moves a full sam's club shopping cart mass = 80.0 kg from rest to a velocity of 1.30 m/s over a distance of 1.80 meters to secure a spot in check out line. Determine the change in the chart
A student is selected from the 8000 students and it is not from a sophomore. How many probable choices are there?
The tension is a constant 31.0 N and the coefficient of friction is 0.200. Use work and energy to find Paul's speed after being pulled 3.10 m.
A car is moving on a at horizontal circular track of radius 120 m. The speed of the car is constant, 15m/s . The mass of the car is 1200 kg. Ignore air resistance. (a) What force is keeping the car
What minimum number of turns per unit length must the solenoid have?
From a boat on the river below a dam, the angle of elevation to the top of the dam is 21°52'. How far is the boat from the base of the dam (to the nearest foot)?
Find the mass of 1 packet of flour. Find the difference between the mass of 1 packet of sugar and 1 packet of cocoa powder.
The Result of an exam is given below Out of 1000 Students. Number Of Students Who Failed in all three Subjects is :
Martha makes and sells her own organic dog treats for $15/kg for every $1 price increase, she will lose sales. What selling price will maximize her revenue?