Archive month

December 2025

42,840 public questions were asked this month.

← Nov 2025 Jan 2026 →

By day

Daily archive

1 2,939 2 2,810 3 3,385 4 3,420 5 2,979 6 454 7 708 8 3,076 9 2,883 10 2,814 11 3,129 12 2,547 13 152 14 215 15 1,952 16 2,706 17 2,558 18 1,693 19 1,109 20 85 21 104 22 73 23 146 24 83 25 8 26 115 27 76 28 223 29 112 30 212 31 74

Recent questions

Latest from December 2025

An atom of an element can change into an atom of another element if it is:(1 point) Responses an ion and it's atomic number is larger than it's mass number an ion and it's atomic number is larger than it's mass number ex...
Asked by Nico 1 answer
What kind of nuclear reaction does the picture show? (1 point) Responses Fusion Fusion Fission
Asked by Nico 1 answer
According to Newton's second law, what happens when the same force is applied to two objects of different masses?(1 point) Responses The object with greater mass will experience a smaller acceleration. The object with gr...
Asked by Nico 1 answer
What force is the box applying on Jamal if the box is at rest? (1 point) Responses a 100 N force in the opposite direction that Jamal is pushing it a 100 N force in the opposite direction that Jamal is pushing it a 60 N...
Asked by Nico 1 answer
Which scenario best demonstrates an example of Newton's first law of motion?(1 point) Responses A rocket lifts off from a launch pad. A rocket lifts off from a launch pad. A shopping cart accelerates when it is pushed. A...
Asked by Nico 1 answer
The table shows the acceleration due to gravity on four different planets. What planet is a person standing on if the person has a mass of 35.0 kg and weighs 343 N? (1 point) Responses Mars Mars Earth Earth Mercury Mercu...
Asked by Nico 1 answer
A box is initially at rest on a surface. It then experiences two forces, as shown in the picture. Which best describes what will happen to the box? (1 point) Responses It will remain at rest. It will remain at rest. It w...
Asked by Nico 1 answer
Assume Z it a representative element in the periodic table. Which of the following is true if it makes the ion shown below? Multi select. Z 3 - a This ion has the electron configuration of the noble gas coming after this...
Asked by tyrone 1 answer
The table shows the times it took different animals to cover various distances. MOTION OF ANIMALS Animals Distance (km) Time (h) Gray fox 73 1.05 Gazelle 68 0.85 Rabbit 70 1.25 Cheetah 85 0.75 Giraffe 60 1.15 Antelope 93...
Asked by Nico 1 answer
Assume X it a representative element in the periodic table. Which of the following is true if it makes the ion shown below? Multi select. X 2 + a it gains two electrons when it forms ions b This ion has the electron conf...
Asked by tyrone 1 answer
An object moves a distance of 10 meters in 5 seconds. What is the average speed of the object?(1 point) Responses 40 m/s 40 m/s 2.0 m/s 2.0 m/s 0.5 m/s 0.5 m/s 50 m/s
Asked by Nico 1 answer
Which of the following elements will react with water and turn phynolpthalene pH indicater to pink? a Mg, K and Al b Li, Na and Al c Cl, N and Al d Mg, K and Ca
Asked by tyrone 1 answer
What is the difference between speed and velocity?(1 point) Responses Velocity has time. Velocity has time. Velocity has weight Velocity has weight Velocity has distance. Velocity has distance. Velocity has direction.
Asked by Nico 1 answer
The graph shows the motion of a squirrel that leaves its nest to find food. Which segment of the graph represents the squirrel heading toward its nest? (1 point) Responses Q Q R R S S T T Skip to navigation
Asked by Nico 1 answer
If X is the neutral atom and Y is the ion of that atom, then Y is a ___. a negative ion b none of the above c Neutral ion d positive ion
Asked by tyrone 1 answer
If a dolphin swims at 1.85 m/s, how far will the dolphin have traveled after 6.0 s?(1 point) Responses 31 m 31 m 3.2 m 3.2 m 9.0 m 9.0 m 11 m
Asked by Nico 1 answer
If f (x) = (x/5)^2, what is f (-2)? Give your answer as a decimal rounded to the nearest hundredth place f (-2) = __
Asked by Nissan GT-R R35 Nismo 1 answer
An object starts moving from point A and continues along a straight path from A to point D. If the object starts moving from point A and continues along a straight path from point A to point D, which of the following is...
Asked by Nico 1 answer
Which of the following are examples of work being done on an object? Choose the 4 that apply.(2 points) Responses pushing on a car that will not move pushing on a car that will not move lifting a bag of groceries lifting...
Asked by Nico 1 answer
Adam lifts a book from the floor, carries it across the room, and places it on a high shelf. When is Adam doing work on the book? Work = Force x Distance (1 point) Responses He does work from the moment he touches the bo...
Asked by Nico 1 answer
If A is the neural atom and a representative element. B is its ion. Select 2 that applies to this situation. a B is a cation b B is an anion c A is a non-metal d A is a metal e A is a metalloid
Asked by tyrone 1 answer
How does a machine make work easier? A machine makes work easier by changing _______. Choose the three statements that apply.(1 point) Responses the amount of force applied the amount of force applied the time needed to...
Asked by Nico 1 answer
The inclined plane below is being used to lift a box 7 ft. The inclined plane has a mechanical advantage of 1.5. What is the length, x, of the inclined plane? mechanical advantage = (length of ramp)/(height of ramp) (1 p...
Asked by Nico 1 answer
Josh opens a soda can by pulling on the tab. The picture shows Josh opening the soda can. What is the mechanical advantage? MA = effort arm/load arm (1 point) Responses 21.0 21.0 9.0 9.0 3.0 3.0 .7
Asked by Nico 1 answer
What is False about ion formation? select all that apply a Anions and cations are the same size as the parent atom b Non-metal atoms form cations by losing electrons to obtain the electron configuration as the noble gas...
Asked by tyrone 1 answer