+61-413 786 465
info@mywordsolution.com
Home >> Physics
A 60 mph wind blows against a football stadium scoreboard that is 36 ft tall, 80 ft wide, and 8 ft thick (parallel to the wind). Estimate the wind force on the scoreboard. See Fig. 9.28 for drag coefficient data.
Physics, Academics
A high-speed train is built to be 600 m long. The train is passing through a 500 m long tunnel. a. At what speed, according to an observer on the ground, the train will be just completely covered by the tunnel at one ins ...
Question: A series RLC circuit consists of a 50ohm resistor, a 3.3 mH inductor, and a 480 nF capacitor. It is connected to a 5.0 kHz oscillator with a peak voltage of 5.0 V. A) What is the instantaneous current i when e= ...
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 submarine is stranded on the bottom of the ocean with its hatch 27.0 m below the surface. Calculate the force (in N) needed to open the hatch from the inside, given it is circular and 0.500 m in diameter. Air ...
Question: A textbook of mass 1.98kg rests on a frictionless, horizontal surface. A cord attached to the book passes over a pulley whose diameter is 0.160m , to a hanging book with mass 3.01kg . The system is released fro ...
Question: A rescue plane wants to drop supplies to isolated mountain climbers on a rocky ridge 235m below. If the plane is traveling horizontally with a speed of 250 km/h (69.4 m/s), (a) how far in advance of the recipie ...
Question: A speed skater moving across frictionless ice at 9.2 m/s hits a 5.0 m wide patch of rough ice. She slows steadily, then continues on at 5.8 m/s. What is her acceleration on the rough ice? The response must be t ...
Question: In recent years, astronomers have found planets orbiting nearby stars that are quite different from planets in our solar system. Kepler-12b, has a diameter that is 1.7 times that of Jupiter (RJupiter = 6.99 Ã- ...
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: A solenoid 22.0 cm longand with a cross-sectional area of 0.500cm2 contains 415turns of wire and carries a current of 85.0 A. (a) Calculate the magnetic field in the solenoid. (b) Calculate the energy density i ...
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
