Archive day

February 17, 2026

1,637 public questions were asked on this day.

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A sled that has a mass of 8 kg is pulled at a 50 degree angle with a force of 20 N. The force of friction acting on the sled is 2.4 N. The free-body diagram shows the forces acting on the sled. A free body diagram with 4...
Asked by ww 1 answer
The gravitational force between two objects is 2000 N. The mass of each object is reduced to one-third of its original mass. How must the distance between the objects change to keep the gravitational force between them 2...
Asked by ww 1 answer
Which is an action/reaction force pair? Check all that apply. Earth pulls on a book, and the book pushes against a shelf. A hockey stick hits a puck, and the puck pushes against the stick. A pencil pushes against a piece...
Asked by ww 1 answer
What replicates during mitosis?(1 point) Responses organelles organelles proteins proteins cells cells cytoplasm
Asked by Void<3 1 answer
An illustration shows a coordinate plane. The x-axis and the y-axis range from negative 1 to 6 in one unit increments. Four points are plotted. The points are connected to form a quadrilateral. Point A is plotted at the...
Asked by nana 1 answer
Population A of mice has high genetic variation. Population B has low genetic variation. If a drought affects both, which group is more likely to survive? (1 point) Responses Population A, because it has more trait varia...
Asked by nope 1 answer
Which of the following is a function of mitosis? (1 point) Responses to send chemicals signals throughout the body to send chemicals signals throughout the body to repair damaged tissue to repair damaged tissue to cause...
Asked by Void<3 1 answer
An illustration shows a coordinate plane. The x-axis and the y-axis range from negative 6 to 6 in one unit increments. Six points are plotted on the plane. Two right triangles are graphed on the plane. Three points are p...
Asked by nana 1 answer
Which changes would result in a decrease in the gravitational force between two objects? Check all that apply. increasing the distance between the objects decreasing the distance between the objects increasing the mass o...
Asked by ww 1 answer
In eukaryotic cells, DNA replicates in the(1 point) Responses nucleus. nucleus. cell membrane. cell membrane. endoplasmic reticulum. endoplasmic reticulum. cytoplasm.
Asked by Void<3 1 answer
A box is sitting on the floor. The box was then pulled with a force, Ft. The box did not move. The free-body diagram of the box is shown. A free body diagram with 4 force vectors. The first vector is pointing downward, l...
Asked by ww 1 answer
Which cell type undergoes terminal differentiation?(1 point) Responses stem cells stem cells heart cells heart cells epithelial cells epithelial cells hair cells
Asked by Void<3 1 answer
A coordinate plane shows the x and y axes ranging from negative 6 to 6 in increments of 1. A line joins two plotted points, upper A and upper B. The coordinates of the plotted points are as follows: upper A is left paren...
Asked by nana 1 answer
Skin cells(1 point) Responses become quiescent quickly. become quiescent quickly. are stem cells. are stem cells. become senescent quickly. become senescent quickly. have terminally differentiated.
Asked by Void<3 1 answer
Which statements describe an object in motion that has no external force acting on it? Check all that apply. It accelerates and speeds up. It moves at a constant speed. It decelerates and slows down. It changes direction...
Asked by ww 1 answer
Development Quick Check 1 of 51 of 5 Items Question A student is writing an argument that libraries in the United States should receive more federal funding. Which of the following are examples of evidence that the stude...
Asked by cool boy 1 answer
Which correctly describes sister chromatids?(1 point) Responses They make up the mitotic spindle within the cell. They make up the mitotic spindle within the cell. They are part of the lined-up chromosomes in mitosis. Th...
Asked by Void<3 1 answer
Which type of stem cell is able to differentiate into any cell type, including extraembryonic placental cells?(1 point) Responses totipotent cells totipotent cells pluripotent cells pluripotent cells multipotent cells mu...
Asked by Void<3 1 answer
In what phase of mitosis do chromosomes split into sister chromatids?(1 point) Responses anaphase anaphase telophase telophase prophase prophase cytokinesis
Asked by Void<3 1 answer
Newton’s second law of motion states that the acceleration of an object is proportional to the net force acting on it.
Asked by ww 1 answer
Scientists developed bacteria that produce human insulin by inserting a human gene into bacterial DNA. What is the main benefit of this genetic modification? (1 point) Responses Reduce medical research costs Reduce medic...
Asked by nope 1 answer
A ball is dropped from rest from the top of a building. What force is responsible for the downward motion of the ball? the force of gravity the force of tension the normal force the pushing force
Asked by ww 1 answer
Which of the following correctly orders events during mitosis?(1 point) Responses The nuclear membrane dissolves. Microtubules organize the chromosomes. The mitotic spindle attaches to chromosomes. The nuclear membrane d...
Asked by Void<3 1 answer
Chang sees the following formula on a website about Newton’s second law. a = Sigma F over m. What does the symbol F in the formula indicate that Chang needs to do? He needs to find the net force acting on the object in a...
Asked by ww 1 answer
In which phase do cells rest?(1 point) Responses interphase interphase anaphase anaphase metaphase metaphase prophase
Asked by Void<3 1 answer