As a ball is moving downwards -the velocity points up and the acceleration down -the acceleration...
As a ball is moving downwards
-the velocity points up and the acceleration down
-the acceleration is zero -the velocity and acceleration both point down
-the velocity and acceleration both point up
-the velocity points down and the acceleration up
Homework Answers
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As a ball is moving downwards
-the velocity points up and the acceleration
down
-the acceleration...
3. A ball is thrown straight up, reaches a maximum height, then falls to its initial...
3. A ball is thrown straight up, reaches a maximum height, then falls to its initial height. Make a statement about the direction of the velocity and the acceleration as the ball is coming down. (1 mark) a) Both its velocity and its acceleration point upward b) Its velocity points downwards and its acceleration points upwards c) Its velocity points upwards and its acceleration points downwards d) Both its velocity and its acceleration point downwards. 4. A man stands on...
A mass is oscillating up and down at the end of a spring. A graph of...
A mass is oscillating up and down at the end of a spring. A
graph of displacement as a function of time is shown where up is
the positive direction.
a) What is the period of this motion? Explain
b) At which point or points is the acceleration positive?
Explain
c) At which point or points does the mass have a zero velocity
but nonzero net force? Explain
d) At which point or points is the net force on the...
A ball is thrown straight up in the air. When the ball reaches its highest point,...
A ball is thrown straight up in the air. When the ball reaches its highest point, which of the following is true? 1.It is in equilibrium. 2.It has zero acceleration. 3.It has an increasing acceleration. 4.It has zero velocity.
A friend of yours contends that the acceleration of a ball tossed up into the air...
A friend of yours contends that the acceleration of a ball tossed up into the air is positive on the way up, negative as it is falling down and zero at the top of the trajectory. What is your opinion on the matter? Justify your response based on kinematic principles.
Basic concepts of physics chapter 3 *Q16. A ball rolls up an inclined plane, slows to...
Basic concepts of physics chapter 3
*Q16. A ball rolls up an inclined plane, slows to a stop, and then rolls back down. Do you expect the acceleration to be constant during this process? Is the velocity constant? Is the acceleration equal to zero at any point during this motion? Explain.
An object moving in the *x direction experience an acceleration of *2.0 m/s^2- This mean the...
An object moving in the *x direction experience an acceleration of *2.0 m/s^2- This mean the object is increasing its velocity by 2.0 m/s every second. travels 2.0 m In every second. is traveling at 2.0 m/s. is decreasing its velocity by 2.0 m/s every second. Suppose that an object is moving with a constant velocity. Which statement concerning Its acceleration must be correct? The acceleration is constantly increasing. The acceleration is a constant non-zero value. The acceleration is constantly...
a ball up. The ball rises to a height and falls back down so that the...
a ball up. The ball rises to a height and falls back down so that the person catches it. When is the acceleration of the ball at its 3 just before the person catches it 1.66 from the top of a tall building with an initial veloc Select Jane up be the positive direction. What is the initial velocity of the rock? is riding in a hot air balloon that is rising vertically at a constant speed of 3 m/s...
A mass is oscillating up and down at the end of a spring similar to Activity...
A mass is oscillating up and down at the end of a spring similar to Activity 2. A graph of displacement as a function of time is shown where up is the positive direction O-4 time (s) 1. What is the period of this motion? Explain your reasoning. 2. At which point or points is the acceleration positive? Explain your reasoning. 3. At which point or points does the mass have a zero velocity but nonzero net force? Explain your...
20125982 ANALYZE (A) Determine how the velocity varles for positive acceleration and initial velocity to the...
20125982 ANALYZE (A) Determine how the velocity varles for positive acceleration and initial velocity to the right. The acceleration vs. time plot for constant acceleration is a straight line parallel to the time axls. It lles above the origin for acceleratlon to the right. During the acceleration, the velocity Increases by 1.6 m/s each second, so the velocity vs. time graph is a line with a slope of 1.6 m/s per second, and X m/s )+1.6 m/s2)t. The car starts...
(25 Points) A 10.0 kg ball, moving to the right at a velocity of 4.00m/s on...
(25 Points) A 10.0 kg ball, moving to the right at a velocity of 4.00m/s on a frictionless table, collides head-on with a 5.00kg ball at rest. Find velocities of the balls is the collision is (a) (15 points) elastic and (b) (10 points) completely inelastic
3. A ball is thrown straight up, reaches a maximum height, then falls to its initial height. Make a statement about the direction of the velocity and the acceleration as the ball is coming down. (1 mark) a) Both its velocity and its acceleration point upward b) Its velocity points downwards and its acceleration points upwards c) Its velocity points upwards and its acceleration points downwards d) Both its velocity and its acceleration point downwards. 4. A man stands on...
A mass is oscillating up and down at the end of a spring. A
graph of displacement as a function of time is shown where up is
the positive direction.
a) What is the period of this motion? Explain
b) At which point or points is the acceleration positive?
Explain
c) At which point or points does the mass have a zero velocity
but nonzero net force? Explain
d) At which point or points is the net force on the...
Basic concepts of physics chapter 3
*Q16. A ball rolls up an inclined plane, slows to a stop, and then rolls back down. Do you expect the acceleration to be constant during this process? Is the velocity constant? Is the acceleration equal to zero at any point during this motion? Explain.
An object moving in the *x direction experience an acceleration of *2.0 m/s^2- This mean the object is increasing its velocity by 2.0 m/s every second. travels 2.0 m In every second. is traveling at 2.0 m/s. is decreasing its velocity by 2.0 m/s every second. Suppose that an object is moving with a constant velocity. Which statement concerning Its acceleration must be correct? The acceleration is constantly increasing. The acceleration is a constant non-zero value. The acceleration is constantly...
a ball up. The ball rises to a height and falls back down so that the person catches it. When is the acceleration of the ball at its 3 just before the person catches it 1.66 from the top of a tall building with an initial veloc Select Jane up be the positive direction. What is the initial velocity of the rock? is riding in a hot air balloon that is rising vertically at a constant speed of 3 m/s...
A mass is oscillating up and down at the end of a spring similar to Activity 2. A graph of displacement as a function of time is shown where up is the positive direction O-4 time (s) 1. What is the period of this motion? Explain your reasoning. 2. At which point or points is the acceleration positive? Explain your reasoning. 3. At which point or points does the mass have a zero velocity but nonzero net force? Explain your...
20125982 ANALYZE (A) Determine how the velocity varles for positive acceleration and initial velocity to the right. The acceleration vs. time plot for constant acceleration is a straight line parallel to the time axls. It lles above the origin for acceleratlon to the right. During the acceleration, the velocity Increases by 1.6 m/s each second, so the velocity vs. time graph is a line with a slope of 1.6 m/s per second, and X m/s )+1.6 m/s2)t. The car starts...
(25 Points) A 10.0 kg ball, moving to the right at a velocity of 4.00m/s on a frictionless table, collides head-on with a 5.00kg ball at rest. Find velocities of the balls is the collision is (a) (15 points) elastic and (b) (10 points) completely inelastic
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