Archive day

March 28, 2026

176 public questions were asked on this day.

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A uniform rod of mass 2.20 kg and length 2.00 m is capable of rotating about an axis passing through its center and perpendicular to its length. A mass m1 = 4.90 kg is attached to one end and a second mass m2 = 2.50 kg i...
Asked by t 1 answer
Calculate the rotational kinetic energy (in J) of Venus on its axis. (Assume its mass to be 4.90 ✕ 1024 kg, the period about its axis to be 5830 h, and its diameter to be 12100 km.) (b) What is the rotational kinetic ene...
Asked by t 1 answer
Calculate the angular momentum (in kg·m2/s) of an ice skater spinning at 6.00 rev/s given his moment of inertia is 0.390 kg·m2. (b) He reduces his rate of spin (his angular velocity) by extending his arms and increasing...
Asked by t 1 answer
Belle Calista Eleonora Belle’s beauty is warm and inviting, influenced by her Italian heritage, and immediately noticeable in a different way. Her straight Golden hair is soft and flowing, catching light easily and frami...
Asked by Gerald 1 answer
Belle Calista Eleonora Belle’s beauty is warm and inviting, influenced by her Italian heritage, and immediately noticeable in a different way. Her straight Golden hair is soft and flowing, catching light easily and frami...
Asked by Gerald 1 answer
While punting a football, a kicker rotates his leg about the hip joint. The moment of inertia of the leg is 3.54 kg · m2 and its rotational kinetic energy is 167 J. (a) What is the angular velocity of the leg? (Give your...
Asked by t 1 answer
Suppose you start an antique car by exerting a force of 460 N on its crank for 0.170 s. What angular momentum (in kg·m2/s) is given to the engine if the handle of the crank is 0.310 m from the pivot and the force is exer...
Asked by t 1 answer
A playground merry-go-round has a mass of 120 kg and a radius of 1.80 m and it is rotating with an angular velocity of 0.550 rev/s. What is its angular velocity (in rev/s) after a 18.0 kg child gets onto it by grabbing i...
Asked by t 1 answer
Three children are riding on the edge of a merry-go-round that is 202 kg, has a 1.60 m radius, and is spinning at 15.3 rpm. The children have masses of 17.4, 28.5, and 32.8 kg. If the child who has a mass of 32.8 kg move...
Asked by t 1 answer
What is the final velocity (in m/s) of a hoop that rolls without slipping down a 4.50-m-high hill, starting from rest?
Asked by t 1 answer
Belle Calista Eleonora Belle’s beauty is warm and inviting, influenced by her Italian heritage, and immediately noticeable in a different way. Her straight Golden hair is soft and flowing, catching light easily and frami...
Asked by Gerald 1 answer
A ball with an initial velocity of 4.29 m/s rolls up a hill without slipping. (a) Treating the ball as a spherical shell, calculate the vertical height (in m) it reaches. (b) Repeat the calculation (in m) for the same ba...
Asked by t 1 answer
Consider a father pushing a child on a playground merry-go-round. The system has a moment of inertia of 84.4 kg · m2. The father exerts a force on the merry-go-round perpendicular to its 1.50 m radius to achieve a torque...
Asked by t 1 answer
Drag and drop the words into the correct locations.(1 point) When a writer creates an argumentative text, they need to organize thoughts and ideas to support a . They support this position with , which may include facts,...
Asked by tallie (im 5'2) 1 answer
page 14 of 14 Introducing an Argument Quick Check 5 of 5 Use the information to answer the question. Topic: the impacts of celebrity culture on average people Opinion: celebrity culture is harmful to average people. Whic...
Asked by tallie (im 5'2) 1 answer
What purpose does the opening statement of an argumentative text serve for the reader?(1 point) It is a guidepost to identify specific evidence. It is a blueprint for building a cohesive argument. It is a diagram for und...
Asked by tallie (im 5'2) 1 answer
Match each purpose to the correct element of an introduction.(2 points) hook background information statement of importance opening statement
Asked by tallie (im 5'2) 1 answer
Why is it important for a writer to anticipate an audience's level of knowledge?(1 point) to outline the main purpose for writing to determine how much background information to include to identify personal feelings for...
Asked by tallie (im 5'2) 1 answer
Belle Calista Eleonora Belle’s beauty is warm and inviting, influenced by her Italian heritage, and immediately noticeable in a different way. Her straight Golden hair is soft and flowing, catching light easily and frami...
Asked by Gerald 1 answer
Use the prompt to answer the question. Write an article for an online news website to support a claim about the best ways to promote renewable energy and how to counter the negative impact of nonrenewable energy sources....
Asked by tallie (im 5'2) 1 answer
Franklin D. Roosevelt, 1941 State of the Union Address, "The Four Freedoms" Use the speech by President Franklin Roosevelt to answer the question. How does President Roosevelt appeal to emotion in the opening to his spee...
Asked by tallie (im 5'2) 1 answer
Belle Calista Eleonora Belle’s beauty is warm and inviting, influenced by her Italian heritage, and immediately noticeable in a different way. Her Golden hair is soft and flowing, catching light easily and framing her fa...
Asked by Gerald 1 answer
Suppose you exert a force of 227 N tangential to a 0.255 m radius 75.0 kg grindstone (a solid disk). (Give your answers to at least 2 decimal places.) (a)What torque (in N · m) is exerted? (Enter the magnitude.) (b)What...
Asked by t 1 answer
"What, To a Slave, is the Fourth of July?" by Frederick Douglass This Fourth July is yours, not mine. You may rejoice, I must mourn. To drag a man in fetters into the grand illuminated temple of liberty, and call upon hi...
Asked by tallie (im 5'2) 1 answer
Calculate the linear acceleration of a car, the 0.200-m radius tires of which have an angular acceleration of 13.0 rad/s2. Assume no slippage and give your answer in m/s2. (b)How many revolutions do the tires make in 2.5...
Asked by t 1 answer