Can you have zero velocity and non-zero average acceleration? And acceleration zero and nonzero velocity? Explain,...
Can you have zero velocity and non-zero average acceleration? And acceleration zero and nonzero velocity? Explain, using a vx versus t graph and give an example of said movement.
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Can you have zero velocity and non-zero average acceleration? And acceleration
zero and nonzero velocity? Explain,...
is it possible for an object to have zero velocity but non-zero acceleration? If so, give...
is it possible for an object to have zero velocity but non-zero acceleration? If so, give an example from your experiments. In any case, explain why. A motion diagram might help.
If the velocity of a particle is nonzero, can the particle's acceleration be zero? O yes...
If the velocity of a particle is nonzero, can the particle's acceleration be zero? O yes no Explain This answer has not been graded yet. Need Help?Read It If the velocity of a particle is zero, can the particle's acceleration be zero? O yes O no Explain This answer has not been graded yet. Need Help? L Reade」
2. (a) Explain the difference between constant velocity and constant acceleration. (b) Are you more likely...
2. (a) Explain the difference between constant velocity and constant acceleration. (b) Are you more likely to be able to walk at a constant velocity or at constant acceleration? (c) For the equation x = Xo + of + at, what does a graph of x versus t look like? (d) What does the graph look like if a -0? Please scetch graphs and give explanations. (7 pts) 2 3. For the following position versus time values, calculate the average...
1.(a) Alice says Cathy’s body has zero momentum, but Bob says Cathy’s momentum is nonzero. Nobody...
1.(a) Alice says Cathy’s body has zero momentum, but
Bob
says Cathy’s momentum is nonzero. Nobody is lying or making a
mistake. How is this possible? Give a concrete example.
(b) Alice and Bob agree that Dong’s body has nonzero
momentum,
but disagree about Dong’s angular momentum, which Alice says
is
zero, and Bob says is nonzero. Explain.
2.Two objects have the same momentum vector. Assume that they are
not spinning; they only have angular momentum due to their motion...
Derive v(t) and x(t). Acceleration is a(v)=2v. Keep the initial velocity and position (non-zero).
Derive v(t) and x(t). Acceleration is a(v)=2v. Keep the initial velocity and position (non-zero).
Can a vector have a component equal to zero and still have nonzero magnitude? A component...
Can a vector have a component equal to zero and still have nonzero magnitude? A component is made up of a magnitude and distance, so if i have (3m, 0degrees) i have a vector moving in the x direction for tree meters, it is going in the zero degree direction for 3 meters. And if i have a component (0 , 45 degrees), i have no velocity going towards 45 degrees. I tried answering "No, because another component of the...
POSITION VELOCITY AND ACCELERATION You have three functions where t is greater than or equal to...
POSITION VELOCITY AND ACCELERATION You have three functions where t is greater than or equal to zero: Position s(t)= -5cost Velocity = 5sint Acceleration = 5cost How fast is the edge of the board moving after 2 seconds? Based on your graph, over what intervals is the edge of the diving board moving upward?
Exercise 2.6 Can you assume that a car is not accelerating if its speedometer shows a...
Exercise 2.6 Can you assume that a car is not accelerating if its speedometer shows a constant, steady reading of 35 mph? Explain. Exercise 2.7 Can the velocity of an object be zero at the same time that that its acceleration is nonzero? Explain and give an example. Exercise 2.8 If you go around a curve at constant speed, is there acceleration associated with this motion? If there is, what is the direction of the acceleration vector? Exercise 2.9 Will...
in circlar motion, a non zero tangential acceleration change only the magnitude of the velocity, but...
in circlar motion, a non zero tangential acceleration change only the magnitude of the velocity, but not its direction. true false need more information none of the above
No need for evidence Question 7. How can you tell from an acceleration graph whether the...
No need for evidence
Question 7. How can you tell from an acceleration graph whether the evidence do you have to support your answer? velocity constant or changing? What Que How can you tell from a position graph whether the acceleration was positive, negative or zero? What evidence do you have to support your answer? stion 8. Question 9. How can you tell from a velocity graph whether the acceleration was positive, negative or zero? What evidence do you have...
If the velocity of a particle is nonzero, can the particle's acceleration be zero? O yes no Explain This answer has not been graded yet. Need Help?Read It If the velocity of a particle is zero, can the particle's acceleration be zero? O yes O no Explain This answer has not been graded yet. Need Help? L Reade」
2. (a) Explain the difference between constant velocity and constant acceleration. (b) Are you more likely to be able to walk at a constant velocity or at constant acceleration? (c) For the equation x = Xo + of + at, what does a graph of x versus t look like? (d) What does the graph look like if a -0? Please scetch graphs and give explanations. (7 pts) 2 3. For the following position versus time values, calculate the average...
1.(a) Alice says Cathy’s body has zero momentum, but
Bob
says Cathy’s momentum is nonzero. Nobody is lying or making a
mistake. How is this possible? Give a concrete example.
(b) Alice and Bob agree that Dong’s body has nonzero
momentum,
but disagree about Dong’s angular momentum, which Alice says
is
zero, and Bob says is nonzero. Explain.
2.Two objects have the same momentum vector. Assume that they are
not spinning; they only have angular momentum due to their motion...
Exercise 2.6 Can you assume that a car is not accelerating if its speedometer shows a constant, steady reading of 35 mph? Explain. Exercise 2.7 Can the velocity of an object be zero at the same time that that its acceleration is nonzero? Explain and give an example. Exercise 2.8 If you go around a curve at constant speed, is there acceleration associated with this motion? If there is, what is the direction of the acceleration vector? Exercise 2.9 Will...
No need for evidence
Question 7. How can you tell from an acceleration graph whether the evidence do you have to support your answer? velocity constant or changing? What Que How can you tell from a position graph whether the acceleration was positive, negative or zero? What evidence do you have to support your answer? stion 8. Question 9. How can you tell from a velocity graph whether the acceleration was positive, negative or zero? What evidence do you have...
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