Archive day

December 10, 2025

2,814 public questions were asked on this day.

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What is the value of y in the triangle? Enter your answer in the box. Round your final answer to the nearest hundredth. hypotenuse is 15 ft and the opposite number inside the triangle is 26.5 degrees
Asked by Why 1 answer
Question In a closed system, an object with a mass of 1.5 kg collides with a second object. The two objects then move together at a velocity of 50 m/s . The total momentum of the system is 250 kg⋅m/s . What is the mass o...
Asked by Mason 1 answer
In a closed system, three objects have the following momentums: 110 kg⋅m/s , −65 kg⋅m/s , and −100 kg⋅m/s . The objects collide and move together. What is the total momentum after the collision?(1 point) Responses 55 kg⋅...
Asked by Mason 1 answer
In a closed system, a ball with a mass of 3 kg and a momentum of 24 kg·m/s collides into a ball with a mass of 1 kg that is originally at rest. Which statement describes the momentum of the balls and the total momentum?(...
Asked by Mason 1 answer
Which mathematical representation correctly identifies impulse? (1 point) Responses impulse=forcetime impulse is equal to force over time impulse=acceleration×time impulse=acceleration×time impulse=velocitytime impulse i...
Asked by Mason 1 answer
Which is always true in a closed system?(1 point) Responses Momentum is conserved. Momentum is conserved. Mass is not conserved. Mass is not conserved. Velocity is constant. Velocity is constant. Acceleration is not cons...
Asked by Mason 1 answer
Question Which of Newton’s laws of motion states that an object at rest stays at rest and an object in motion stays in motion with the same speed and the same direction unless acted upon by an unbalanced force?(1 point)...
Asked by Mason 1 answer
An object has a mass of 5 kg and a velocity of 20 m/s. What is the momentum of the object?(1 point) Responses 0.25 kg⋅m/s 0 point 2 5 kilograms times meters per second 25 kg⋅m/s 25 kilograms times meters per second 100 k...
Asked by Mason 1 answer
Read the sentence. The peripheral nervous system—which is a network of nerves extending from your brain and spinal cord to all parts of your body carries signals back and forth. Which revision of the sentence is now prop...
Asked by Yay 1 answer
A small rock bounces off the windshield of a moving car and experiences a large change in velocity. How does the car’s momentum change?(1 point) Responses It has a change in momentum equal to that of the rock, in the opp...
Asked by Mason 1 answer
We tied all the finger strings into one main control string, which increased the grip strength and made the device easier to operate. The final design met most of our original goals: it was functional, controllable, and...
Asked by … 1 answer
A billiard ball moves with 3 kg⋅m/s of momentum and strikes three other billiard balls. What is the total momentum of the balls after the collision?(1 point) Responses 3 kg⋅m/s 3 kilograms times meters per second more th...
Asked by Mason 1 answer
Which sentence contains a nonrestrictive clause that is punctuated correctly? My boss—who was recently promoted again is great at motivating her employees. My boss, who was recently promoted again, is great at motivating...
Asked by Yay 1 answer
There were several iterations that we made to the build as the original build didn’t do anything. We still had the original width (10 cm) and height (28 cm) but we changed the fact that we now didn’t have a thumb as we d...
Asked by … 1 answer
Which of the following is an equivalent expression to 12(9−70)+(−29)0 1 2 ( 9 − 7 0 ) + ( − 29 ) 0 ? (1 point) Responses 12(9−1)−1 1 2 ( 9 − 1 ) − 1 Start Fraction 1 over 2 End Fraction left parenthesis 9 minus 1 right p...
Asked by HYUJ 1 answer
There were several iterations that we made to the build as the original build didn’t do anything. We still had the original width (10 cm) and height (28 cm) but we changed the fact that we now didn’t have a thumb as we d...
Asked by … 1 answer
Which of the following is an equivalent expression to 7(−5.3)0+4⋅9 7 ( − 5.3 ) 0 + 4 ⋅ 9 when applying the Zero Power Rule? (1 point) Responses 75.3+4⋅9 7 5.3 + 4 ⋅ 9 Start Fraction 7 over 5.3 End Fraction plus 4 times 9...
Asked by HYUJ 1 answer
We also tied all of the finger strings and converted all of them into one main control string, which increased the overall grip strength and made the device easier to operate. The final design met most of the original cr...
Asked by … 1 answer
Our problem was to create a durable, comfortable to wear, controllable, and has a good grip strength prosthetic hand that young, active individuals can use that must be functional (at least 3 of the 5 fingers have to mov...
Asked by … 1 answer
Which of the following is developed to result in the answer of 1?(1 point) Responses (−2.97)0 ( − 2.97 ) 0 left parenthesis negative 2.97 right parenthesis superscript 0 baseline 3(80) 3 ( 8 0 ) 3 left parenthesis 8 supe...
Asked by HYUJ 1 answer
15 of 1515 of 15 Items Question A drummer strikes a drum with a drumstick. Which statement best explains the forces involved in this interaction?(1 point) Responses The drum pushes on the drumstick, but the drumstick doe...
Asked by HYUJ 1 answer
Our problem was to create a durable, comfortable to wear, controllable, and has a good grip strength prosthetic hand that young, active individuals can use that must be functional (at least 3 of the 5 fingers have to mov...
Asked by … 1 answer
Our problem was to create a durable, comfortable to wear, controllable, and has a good grip strength prosthetic hand that young, active individuals can use that must be functional (at least 3 of the 5 fingers have to mov...
Asked by … 1 answer
Our problem was to create a durable, comfortable to wear, controllable, and has a good grip strength prosthetic hand that young, active individuals can use that must be functional (at least 3 of the 5 fingers have to mov...
Asked by … 1 answer
Our problem was to create a durable, comfortable to wear, controllable, and has a good grip strength prosthetic hand that young, active individuals can use that must be functional (at least 3 of the 5 fingers have to mov...
Asked by … 1 answer