Questions tagged 'Physics'
312 questions
Physics Help ASAP In each of the two free-body diagrams, the forces are acting on a 3.0kg object.?
In each of the two free-body diagrams, forces are acting on a 3.0 kg object. A) Diagram A B) Diagram B Part A: Find the value of ( a_x ), the x-component of the acceleration in diagram (A). Part B:...
Avirus has a mass of ×9.010−12mg and an oil tanker has a mass of ×3.0107kg . use this information to answer the questions below.
A virus has a mass of (9.0 \times 10^{-12}) mg, and an oil tanker has a mass of (3.0 \times 10^7) kg. Using this information, please answer the following questions, ensuring that your answers reflect...
In a hydroelectric dam, water falls 33.0m and then spins a turbine to generate electricity.
In a hydroelectric dam, water falls 33.0 meters and spins a turbine to generate electricity. A. What is the change in potential energy (ΔU) of 1.0 kg of water during its fall? B. If the dam operates w...
What is the work done by tension before the block goes up the incline?
A mass ( m = 16 \, \text{kg} ) is pulled along a horizontal surface with no friction for a distance ( d = 7.7 \, \text{m} ). After this, the mass is pulled up an incline that makes an angle ( \theta =...
A bullet can travel at a speed of over 1000m/s.?
A bullet can travel at speeds exceeding 1000 m/s. When a bullet is fired from a rifle, the initial sound produced by the firing is distinct; however, people at a distance may hear a second sound that...
208Pb2+name? protons? neutrons? electrons? and mass number?
What is the name of the ion 208Pb²⁺? Additionally, could you provide information on the number of protons, neutrons, and electrons it contains, as well as its mass number?
Nov 28, 2024
A uniform beam of length 7.60 m and weight 4.50 102 N is carried by two workers, as shown in the figure below?
A uniform beam with a length of 7.60 m and a weight of 450 N is being carried by two workers, as illustrated in the figure linked here: http://www.webassign.net/sercp8/p8-8.gif. (a) Determine the for...
Nov 27, 2024
Solve numerically for the magnitude of the force Fm in Newtons.
A box with a mass of ( m = 2.5 \, \text{kg} ) rests on top of a table. The coefficient of static friction between the box and the table is ( \mu_s = 0.61 ), while the coefficient of kinetic friction i...
Nov 27, 2024
A lithium atom moving at 2.6×105 m/s
I am trying to find the wavelength of a lithium atom moving at a speed of 2.6 × 10^5 m/s. I understand that the equation to use is ( \text{wavelength} = \frac{\text{Planck’s Constant}}{\text{mass} \ti...
Calculate the wavelength of light required to make a transition from n=1 -> n=2 and from n=2 -> n=3.?
Part A: Calculate the energies of the n = 1, n = 2, and n = 3 energy levels for an electron in a one-dimensional box with a length of 305 pm. Please enter your answers separated by commas. I have calc...