Archive day

February 18, 2026

2,099 public questions were asked on this day.

← Feb 17 Feb 19 →
Which statements accurately describe the graph? Check all that apply. The dependent variable, frequency, is placed on the horizontal axis. The intervals on each axis are evenly spaced. The vertical axis is labeled “wavel...
Asked by tt 1 answer
A bird has a kinetic energy of 3 J and a potential energy of 25 J. What is the mechanical energy of the bird? 3 J, because mechanical energy is the same as kinetic energy 22 J, because mechanical energy is the difference...
Asked by ji 1 answer
If all else is constant, which would cause the greatest increase in kinetic energy of a moving object? Mass and velocity are each reduced by one-half. Mass is reduced by one-half, and velocity is doubled. Mass is doubled...
Asked by ji 1 answer
Read the scenario and then use the drop-down menus to complete each sentence. When a stretched string is vibrated up and down with a particular frequency, it causes a standing wave to be produced. An experiment is perfor...
Asked by tt 1 answer
Natalia lifts a bag of groceries 0.50 m by exerting a force of 36 N. How much work did she do on the bag? 0 J 18 J 36 J 72 J
Asked by ji 1 answer
Disregarding air resistance, what is the speed of a ball dropped from 12 feet just before it hits the ground? (Use 1 ft = 0.30 m, and use g = 9.8 m/s2.) 2.4 m/s 8.4 m/s 10.8 m/s 15.3 m/s
Asked by ji 1 answer
When evaluating data, why is it better to make a graph instead of just looking at the raw data in a table?
Asked by tt 1 answer
Identify the sentence that uses a relative clause.(1 point) Responses Marco’s only flaw as a programmer is that he sometimes misspells commands. Marco’s only flaw as a programmer is that he sometimes misspells commands....
Asked by d 1 answer
Which of these units is most appropriate for describing a 26-mile marathon run? terameter gigameter kilometer nanometer
Asked by tt 1 answer
Identify the sentence that uses an adverbial clause. Select the two correct answers.(1 point) Responses Javy was named captain of the team despite it being his first year on the team. Javy was named captain of the team d...
Asked by d 1 answer
Newton’s second law of motion states that the acceleration of an object is
Asked by christian 1 answer
Which energy transformations occur when a candle burns? Thermal energy transforms into mechanical energy and radiant energy. Chemical energy transforms into thermal energy and electrical energy. Thermal energy transforms...
Asked by ji 1 answer
Which factor affects elastic potential energy but not gravitational potential energy? spring constant acceleration due to gravity distance from a given position amount of matter in the object
Asked by ji 1 answer
When energy is changed from one form to another, some of the energy is lost to the surroundings as waste thermal energy. The more steps needed to arrive at the desired energy or the more types of energy that are generate...
Asked by ji 1 answer
The universal law of gravitation states that the force of attraction between two objects depends on which quantities? the masses of the objects and their densities the distance between the objects and their shapes the de...
Asked by christian 1 answer
Identify the sentence that uses a noun clause. Select the two correct answers.(1 point) Responses Kesha is going to bring a pie as long as she can find the time to bake one. Kesha is going to bring a pie as long as she c...
Asked by d 1 answer
John pushes Hector on a plastic toboggan.The free-body diagram is shown. A free body diagram with 4 force vectors. The first vector is pointing downward, labeled F Subscript g Baseline = negative 490 N. The second vector...
Asked by christian 1 answer
An eagle that has a mass of 4.5 kg is spotted 5 m above a lake. It flies up to its nest in a tree at a height of 25 m. How much gravitational potential energy did the eagle gain? 221 J 882 J 1103 J 1323 J
Asked by ji 1 answer
Kamala puts on inline skates and stands facing a wall. When she pushes against the wall, she rolls backward. Why does pushing harder make her roll faster? The force of friction between the wheels and the ground decreases...
Asked by christian 1 answer
Identify the independent clause from the examples below. Select the two correct answers.(1 point) Responses As soon as the sun goes down and the stars can be seen clearly in the sky. As soon as the sun goes down and the...
Asked by d 1 answer
The image shows a pendulum that is released from rest at point A. An illustration of a pendulum at 5 different positions. The central position, the equilibrium position is labeled C. The two positions on the left are lab...
Asked by ji 1 answer
How is the gravitational force related to the distance between two objects? It is directly proportional to the square of the distance. It is inversely proportional to the square of the distance. It is directly proportion...
Asked by christian 1 answer
Select the most appropriate tool for each measurement. Exactly 200.00 mL salt solution: A 0.02-mL acid solution: Approximately 400 mL water: Exactly 77.5 mL methanol:
Asked by tt 1 answer
A baseball has a mass of 0.145 kg and is 12 m above the ground. If it has a mechanical energy of 105.8 J, how fast is it moving? 17 m/s 35 m/s 89 m/s 130 m/s
Asked by ji 1 answer
A probe orbiting Venus exerts a gravitational force of 2.58 × 103 N on Venus. Venus has a mass of 4.87 × 1024 kg. The mass of the probe is 655 kilograms. The gravitational constant is 6.67 × 10-11 N*m2/kg2. To three sign...
Asked by christian 1 answer