Dart hits wheel. In terms of m, M, v0, and R (of wheel), find: A) angular speed of wheel B) ratios of initial and final kinetic energies
Dart hits wheel. In terms of m, M, v0, and R (of wheel), find: A) angular speed of wheel B) ratios of initial and final kinetic energies
- helium, carbon, gold - sodium, chromium, copper - iodine, iron, nickel -phosphorous, nitrogen, oxygen
Two light circuits with identical lightbulbs. One has two lightbulbs in parallel. Other has them in series. Student 1 says series will glow brighter cuz the same current goes to both lightbulbs...
What happens to the force between two magnets when the distance between the two doubles.the force equals 5 newtons.I dont know the distance.
It takes the earth just less than 24 hours to rotate completely around, while the sun takes an average of 25.38 days. a. If scientist wanted to put a satellite continuously over a sun spot,...
If the Earth's period is 365.25 days and its distance to the (center of the) Sun is one astronomical unit (AU), what is the period, to the nearest day, of an asteroid in a circular orbit about the...
I feel like the answer is right in front of me. I just keep arriving at the same solution which is apparently the wrong one. Could someone guide me to an easier way of approaching this problem that...
(a) Calculate the magnitude of the acceleration due to gravity on the surface of Earth due to the Moon. (b) Calculate the magnitude of the acceleration due to gravity at Earth due to the...
A penny is placed on a record player moving at a constant speed with a period of 1.50 s. If the coefficient of static friction is 0.270, how far from the center of the record can the penny get before...
The question is: An object begins to move along the y axis and its position is given by the equation y = 5t2 − 3t − 2, with y in meters and t in seconds. (Express your answer in vector form.) a...
A planet has ? the density of earth but 2x the radius. find the surface gravitational force on this planet. (Hint: Earth’s is 10N/Kg)
A circuit with a 100 ohm resistor, followed by a parallel wiring with two 100 ohm resistors. What happens to the potential difference along a parallel resistor if the other one is removed.
An experimenter gets a range of data: 8.8 * 10^-19 plus or minus 0.1 * 10^-19. This is an experiment about charge. Is this range of error acceptable?
a) Move away from center b) Move toward center c) Move in opp. direction to motion d) none of the above what's the answer???????????
It takes the earth just less than 24 hours to rotate completely around, while the sun takes an average of 25.38 days. a. If scientist wanted to put a satellite continuously over a sun...
There are two lines of string connected to an oscillator, one only slightly longer. The oscillator is set to vibrate at the lowest frequency, creating a standing wave in the shorter one. Will this...
1. The Milky Way contains a supermassive black hole with mass of 4 million times the Sun(!). a. If the black hole is 2.4x10^20 away from Earth, calculate the gravitational force between the black...
i need to know the answer to this question its for a physics benchmark and the answer doesn't have to be very detailed
Which of the following orbit the nuclei of the atom in "shells"? a) protons b) photons c) electrons d) neutrons
Which of the following energy does not produce carbon dioxide? a) oil b) Uranium c) Coal d) Natural gas