+61-413 786 465
info@mywordsolution.com
Home >> Physics
A certain groove in a phonograph record moves past the needleat 30 cm/s. If the wiggles in the groove are 0.1 mm apart, what is the frequency of the sound that is produced?
Physics, Academics
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 research submarine has a 40-cm-diameter window that is 8.1 cm thick. The manufacturer says the window can withstand forces up to 1.2 x 10 6 N. What is the submarine's maximum safe depth in salt water? The pre ...
Question: If a proton moved from a location with a 5.0V potential to a location with 7.5V potentia, would its potential energy increase or decrease? If an electron moved from a location with 7.5V potential to a location ...
Question: In a semiclassical model of the hydrogen atom, the electron orbitsthe proton at a distance of 0.053 nm. What is the electric potential of the proton atthe position of the electron? What is the electron's potent ...
Question: A small, 300 g cart is moving at 1.90 m/s on an air track when it collides with a larger, 5.00 kg cart at rest. After the collision, the small cart recoils at 0.890 m/s. Part A: What is the speed of the large c ...
Question: Point charges q1 = +2.00 (mu)C and q2 = -2.00 (mu)C are placed at adjacent corners of a square for which the length of each side is 1.00 cm. Point a is at the center of the square, and point b is at the empty c ...
Question: Part A: Calculate the period of a satellite orbiting the Moon, 91km above the Moon's surface. Ignore effects of the Earth. The radius of the Moon is 1740 km. Express your answer using three significant figures ...
Question: A parallel-plate vacuum capacitor is connected to a battery and charged until the stored electric energy is . The battery is removed, and then a dielectric material with dielectric constant is inserted into the ...
Question: You're the CEO of a courier company, and you decide to select an electric car for your fleet of vehicles. A particular car has a mass of 1500 kg and is powered by 26 12-V batteries connected in series, for a to ...
Question: Part A: Find the energy U0 stored in the capacitor. Express your answer in terms of A, d, V, and ϵ0. Remember to enter ϵ0 as epsilon_0. Part B: The capacitor is now disconnected from the battery, and the plat ...
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