+61-413 786 465
info@mywordsolution.com
Home >> Physics
A steel section of the Alaskan pipeline had a length of 55.5 m and a temperature of 19.0 deg C when it was installed. What is its change in length when the temperature drops to a frigid -44.7 deg C?
Physics, Academics
Question: The position of a mass oscillating on a spring is given byx = (6.8 cm) cos[2t/(0.91 s)]. (a) What is the frequency of this motion? (b) When is the mass first at the position x =-6.8cm? The response must be type ...
A baseball is thrown vertically upward at a speed of 39.2 m/s. How much time elapsed before it reaches it highest points, and how high above the ground does it get?
Quesiton: You are testing a new amusement park roller coaster with an empty car with a mass of 108kg. One part of the track is a vertical loop with a radius of 12.0m. At the bottom of the loop (pointA) the car has a spee ...
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: 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 ...
Question: A solenoidal coil with 25 turns of wire is wound tightly aroundanother coil with 300 turns. The inner solenoid is 25.0 cm long andhas a diameter of 2.00 cm. At a certain time, the current in theinner solenoid i ...
Question: A proton (with a rest mass m=1.6 x 10 27 kg) has a total energy that is 4.00 times its rest energy. What is the magnitude of the momentum p of the proton? Please explan in detail each step and what equations ar ...
Question: A Pendulum on Mars. A certain simple pendulum has a period on the earth of 1.65 s. What is its period on the surface of Mars, where g = 3.71 m/s 2 ? The response must be typed, single spaced, must be in times n ...
Question: The starter motor of a car engine draws an electric current of 110 A from the battery. The copper wire to the motor is 4.20 mm in diameter and 1.73 m long. The starter motor runs for 0.95 s before the car engin ...
Question: At one point in a pipeline the water's speed is 3.00 m/s and the gauge pressure is 5.00 x 10 4 Pa. Find the gauge pressure at a second point in the line, 11.0 m lower than the first, if the pipe diameter at the ...
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