KnowledgeJunction
Home
Search
Register
Login
Search
Physics
Physics
College
Which of the following is a sustainable method of resource management?A. Removing the insulation around windowsOOB. Releasing pollutants into the atmosphereOC. Using only renewable energy resourcesD. Taking longer showers than necessaryO
Physics
High School
What is the speed of the car relative to the speed of the bicycle
Physics
College
Which of the following is a vector quantity?Group of answer choices volume none of the above mass area
Physics
College
A normal person consumes 2000 food calories a day. If a food calorie is equivalent to 4200 J of energy, use reasonable assumptions to calculate the number of kilograms of water that can be boiled away to steam starting from 20o C
Physics
Middle School
What do you think would happen to the boiling point of water if you were to cook pasta near the Dead Sea in Israel, which is 1,296 feet below sea level? Would it take a longer or shorter time than cooking the spaghetti in London, England, which is at sea level? Does the pot of boiling water in Israel contain more or less heat than the pot in London?
Physics
High School
In what way is consciousness a construct?
Physics
College
What do different forms of energy have in common?A. They can push or pull on objects.B. They give objects mass.C. They can cause changes in matter.D. They can cause objects to move.
Physics
High School
If I had a blue RGB fish tank and my fishes were red what color would I see the fishes? Will give brainliest!
Physics
College
At an amusement park, a 7.00 kg swimmer uses a water slide to enter the main pool. The swimmer starts at rest, slides without friction, and descends through a vertical height of 0.40 m. Find the total energy present when the swimmer is at the top of the slide.
Physics
High School
Electromagnetic radiation that is used by humans and animals to see is called the visible light spectrum.Group of answer choicesTrueFalse
Physics
College
a stone is thrown vertically upward with an initial velocity of 14m/sc negleting in air resistance find (a)Maximum height reached and (b)Time taken before it reached the ground
Physics
College
Two blocks A and B with mA = 2.9 kg and mB = 0.87 kg are connected by a string of negligible mass. They rest on a frictionless horizontal surface. You pull on block A with a horizontal force of 6 N. Determine the tension in the string connecting the two blocks.
Physics
College
Determine the work done by the constant force. The locomotive of a freight train pulls its cars with a constant force of 15 tons a distance of one-quarter mile.
Physics
High School
What color would my greenish blue fish look like if I had a light blue RGB light tank color?
Physics
College
Which of the following never cause a change in the motion of an object? A. Net forces B. Unbalanced forces O C. Balanced forces O D. Contact forces
Physics
High School
A 5.5 kg (12 lb) bowling ball rolling at a modest 2 m/s has momentum of
Physics
College
A ball is spun around in circular motion such that its frequency is 10 Hz.a. What is the period of its rotation?b. How much time will be required to complete 100 rotations?
Physics
College
Two objects (42.0 and 21.0 kg) are connected by a massless string that passes over a massless, frictionless pulley. The pulley hangs from the ceiling. Find (a) the acceleration of the objects and (b) the tension in the string.
Physics
College
Light with some unknown wavelength is incident on a piece of copper. The most energetic electrons emitted from the copper have 2.7 eV of kinetic energy. If the copper is replaced with a piece of sodium, what will be the maximum possible kinetic energy K of the electrons emitted from this new surface
Physics
High School
Please help Ill give brainliest
Physics
College
A bicyclist rides 1.59 km due east, while the resistive force from the air has a magnitude of 7.00 N and points due west. The rider then turns around and rides 1.59 km due west, back to her starting point. The resistive force from the air on the return trip has a magnitude of 7.00 N and points due east. Find the work done by the resistive force during the round trip. Number Units
Physics
High School
Answer in the proper number of significant figures789.5/8.32
Physics
High School
What units should be used when measuring the mass of a ladybug?millimetersgramskilogramsmeters
Physics
College
A point charge Q at the center of a sphere of radius R produces an electric flux of coming out of the sphere. If the charge remains the same but the radius of the sphere is doubled, the electric flux coming out of it will be
« Previous
Page 1
Next »