+61-413 786 465
info@mywordsolution.com
Home >> Physics
The idea that electrons revolved in orbits around the nucleus of an atom without radiating energy away from the atom was postulated by:
a) Thompson
b) Bohr
c) Rutherford
d) Einstein
Ans:
The atom was postulated by Bohr.
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 ...
Question: A stone is thrown vertically upward with a speed of 24.0m/s. a) how fast is it moving when it is at a height of 13.0m? I got 17.9 m/s b) How much time is required to reach this height? I got 4.28s and 6.20s c) ...
Question: The three 250g masses are connected by massless, rigid rods. What is the triangle's moment of inertia about the axis through the center? What is the triangle's kinetic energy if it rotates about the axis at 6. ...
Question: A skydiver has his parachute open and is floating downward through the air at a constant speed. Identify all the forces acting on the system skydiver-parachute. Check all that apply. Weight, w? Normal force, n? ...
Question: It is proposed that future space stations create an artificialgravity by rotating. Suppose a space station is constructed as a1000-m-diameter cylinder that rotates about its axis. The insidesurface is the deck ...
A ball is thrown straight up with an initial speed of 30 m/s. How long will it take to reach the top of its trajectory, and high will the ball go? A car slows to a stop with an average acceleration of - 2.5 m/s2. How lon ...
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 parallel-plate air capacitor has a capacitance of 920 pF. The charge on each plate is 3.90 ÎC. What is the potential difference between the plates? Express your answer with the appropriate units. Part B If th ...
Question: A quarterback is set up to throw the football to a receiver who is running with a constant velocity v? r directly away from the quarterback and is now a distance D away from the quarterback. The quarterback fig ...
Question: A parallel-plate air capacitor has a capacitance of 920 pF. The charge on each plate is 2.55 ?C What is the potential difference between the plates? If the charge is kept constant, what will be the potential di ...
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