+61-413 786 465
info@mywordsolution.com
Home >> Physics
A rotating flywheeel can be used to store energy. If it is required to store 1.00 X 10^6 J of energy when rotating at 200rad/s, what is the moment of inertia of the wheel in kgm^2?
Physics, Academics
Question: A thin stream of water flows vertically downward. The stream bends toward a positively charged object when it is placed near it. The positively charged object is then removed. What will happen to the same strea ...
Question: It is proposed that future space stations create an artificial gravity by rotating. Suppose a space station is constructed as a 1000-m-diameter cylinder that rotates about its axis. The inside surface is the de ...
Question: A parallel-plate air capacitor has a capacitance of 920 pF. The charge on each plate is 2.55 µC. (a) What is the potential difference between the plates? (b) If the charge is kept constant, what will be the po ...
Question: An object of mass m attached to a spring of force constant k oscillates with simple harmonic motion. The maximum displacement from equilibrium is A and the total mechanical energy of the system is E. What is th ...
A square hockey table has a side length of s=1.52m. On the table, pucks slide across a horizontal table with effectively no friction. (Ignore friction). At the time t=0s a puck is launched with a speed of v1=0.300 m/s fr ...
Question: A single mass m1 = 4 kg hangs from a spring in a motionless elevator. The spring is extended x = 12 cm from its unstretched length. 1) What is the spring constant of the spring? 2) Now, three masses m1 = 4 kg, ...
Question: A sump pump is draining a flooded basement at the rate of 0.650 L/s, with an output pressure of 2.00 ? 10 5 N/m 2 . Neglect frictional losses in both parts of this problem. (a) The water enters a hose with a 3 ...
Question: What is the spacing (in mm) between the slits? Light from a helium-neon laser (? = 633 nm) is used to illuminate two narrow slits. The interference pattern is observed on a screen3.3m behind the slits. Eleven b ...
Question: A certain brand of freezer is advertised to use 880 kW*h of energy per year. A) Assuming the freezer operates for 6 hours each day, how much power does it require while operating? B) If the freezer keeps its in ...
Question: A regulation table tennis ball has a mass of 2.7g and is 40mm in diameter. What is its moment of inertia about an axis that passes through its center? The response must be typed, single spaced, must be in times ...
Start excelling in your Courses, Get help with Assignment Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.
Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As