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February 2026

34,964 public questions were asked this month.

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Recent questions

Latest from February 2026

A 440 kg roller coaster car is going 26 m/s when it reaches the lowest point on the track. If the car started from rest at the top of a hill, how much higher was that point on the track than the lowest point? (Use g = 9....
Asked by tt 1 answer
What is Achebe’s claim in this excerpt? Conrad’s writing focuses on solitude and sickness, not on clashing cultures or belief systems. Conrad’s depiction of Europeans is biased and mostly negative, and his work should no...
Asked by p 1 answer
Cori uses 475 J of energy from her muscles to push a bar 1 m on a weight machine at the gym. Between the bar’s motion, the heat generated by the machine, and all other types of work done by the machine, J of output work...
Asked by tt 1 answer
Choose the function that represents the data in the table. x- 0 , 1 ,2 ,3 ,4 ,5 y - 6 , 6.5 , 7 , 7.5 , 8 , 8.5 y = 0.5x2 + 6 y = 0.5x + 6 y = 0.5x + 6 y = x0.5 + 6
Asked by shawda 1 answer
A box is released from rest and slides down a ramp in a closed system. Even though the box speeds up, its kinetic energy at the bottom of the ramp is less than the potential energy that it had at the top of the ramp. Wha...
Asked by tt 1 answer
How can you rewrite the expression so that both powers are 108? (8.9 x 10) (4.4 x 107) = (8.9 x 10°) 8.64 X 10%) 4.4 X 107 ÷10 × 10 ? X 108
Asked by diddy 2 answers
For a group class project, students are building model roller coasters. Each roller coaster needs to begin at the top of the first hill, where a horizontal spring that is initially compressed 0.25 m will push a small car...
Asked by tt 1 answer
In physics, a is a group of related objects that interact with each other and form a complex whole.
Asked by tt 1 answer
ofia throws a rock straight up. The table shows the height of the rock in meters, y, at x seconds. x- 0, 0.5 , 1 , 1.5 , 2 , 2.5 y - 3 , 8.75 , 12 , 12.75 , 11 , 6.75 What type of function is represented? linear exponent...
Asked by shawda 1 answer
Which of the following statements is true about inverse functions? Select an answer A. Inverse functions have the same graph as the original function. B. Inverse functions switch the input and output of the original func...
Asked by Ian 1 answer
Using this energy transformation diagram of a battery powered drill, what is the drill’s thermal energy output? J
Asked by tt 1 answer
What is the base of the natural logarithm? Select an answer A. 3 B. 2 C. 10 D. e
Asked by Ian 1 answer
The compressed spring of a dart gun has potential energy of 50 J. If the spring constant is 200 N/m, what is the displacement of the spring? 0.5 m 0.2 m 0.7 m 0.4 m
Asked by tt 1 answer
What happens to a graph when it is reflected over the line y = x? Select an answer A. The graph is stretched horizontally. B. The graph becomes a straight line. C. The graph moves up by one unit. D. The coordinates of po...
Asked by Ian 1 answer
Find (8.9 x 108) - (4.4 x 107). How can you rewrite the expression so that both powers are 108? (8.9 x 10) (4.4 x 107) = (8.9 x 108) -× 10%)
Asked by diddy 1 answer
What type of evidence does Achebe use to support his claim in this passage? direct quotations anecdotal evidence historical evidence geographical evidence
Asked by p 1 answer
What is the relationship between exponential functions and logarithmic functions? Select an answer A. They are both linear functions. B. They can never intersect. C. They are inverses of each other. D. They are the same...
Asked by Ian 1 answer
A spring attached to a mass is at rest in the initial position (not shown). The spring is compressed in position A and is then released, as shown in position B. Which equation describes conservation of energy in position...
Asked by tt 1 answer
What is an inverse function? Select an answer A. A function that finds the maximum value of another function. B. A function that multiplies two values together. C. A function that adds two values together. D. A function...
Asked by Ian 1 answer
A ski lift is used to transport people from the base of a hill to the top. If the lift leaves the base at a velocity of 15.5 m/s and arrives at the top with a final velocity of 0 m/s, what is the height of the hill? Roun...
Asked by tt 1 answer
Juan recently entered into a contract for a cell phone plan. The table shows the monthly cost in dollars, f(x), if Juan sends x text messages. What type of function is represented? x - 0 , 1 , 2 , 3 , 4 , 5 f(x) 10.00 ,...
Asked by shawda 1 answer
What does reflection over the line y = x mean for a graph? Select an answer A. A stretch of the graph vertically. B. A flip of a graph over the line y = x. C. A shift of the graph to the right. D. A rotation of the graph...
Asked by Ian 1 answer
A 10 kg ball is released from the top of a hill. How fast is the ball going when it reaches the base of the hill? Approximate g as 10 m/s2 and round the answer to the nearest tenth. m/s
Asked by tt 1 answer
What characterizes a one-to-one function? Select an answer A. Each input matches a unique output. B. Each output can match multiple inputs. C. The function has a maximum value. D. The function is always increasing.
Asked by Ian 1 answer
Mark needs to find the sum of 7.2 * 10 ^ - 3 and 3.6 * 10 ^ - 5 How can Mark write 3.6 * 10 ^ - 5 with the power 10-3? 0.036 * 10 ^ - 3 Finish finding the sum. Write your answer in scientific notation. (7.2 * 10 ^ - 3) +...
Asked by diddy 1 answer