# What is the velocity-time graph of an object thrown upwards?

## What is the velocity-time graph of an object thrown upwards?

The slope of the velocity-time graph gives the acceleration. For a object thrown upwards, we expect a negative slop. Also, at a time when the object reaches maximum height, dy/dt should be zero. Hence, the graph is as shown.

## When a ball is thrown in the air what happens to the velocity?

For example, when a ball is thrown up in the air, the ball’s velocity is initially upward. Since gravity pulls the object toward the earth with a constant acceleration g, the magnitude of velocity decreases as the ball approaches maximum height.

**What is the velocity-time graph of a body thrown vertically upwards?**

From this we can understand that the velocity-time curve of the body projected upwards is a straight line with slope ‘-g’ and y intercept ‘u’. Therefore it is a straight line. So, the correct answer is “Option D”.

**Can a body have zero velocity and still be accelerating?**

Yes, an object can have zero velocity and still be accelerating simultaneously. Then the object will start to move in the backward direction.

### Which of the velocity time graph is not possible?

is not possible, because at a particular time t, displacement cannot have two values.

### What is the acceleration of the ball when it reaches maximum height?

9.8 m/s2

Question: A ball thrown vertically upward reaches a maximum height of 30 meters above the surface of Earth. At its maximum height, the speed of the ball is: Answer: 0 m/s. The instantaneous speed of any projectile at its maximum height is zero….Objects Launched Upward.

Variable | Value |
---|---|

a | -9.8 m/s2 |

t | 0.40 s |

**Why when you throw a ball up then goes down?**

If you throw a small ball vertically upward in real air with drag, does it take longer to go up or come down? While the ball is going upward the forces of gravity and air drag are both downward, hence it decelerates with an average magnitude aup > g (the acceleration due to gravity).

**What is the velocity of the ball at its maximum height?**

0 m/s

At its maximum height, the speed of the ball is: Answer: 0 m/s. The instantaneous speed of any projectile at its maximum height is zero.

## What is the velocity of a ball thrown straight up?

9.8 m/s

If you throw the ball upward with a speed of 9.8 m/s, the velocity has a magnitude of 9.8 m/s in the upward direction. Now the ball is under the influence of gravity, which, on the surface of the Earth, causes all free-falling objects to undergo a vertical acceleration of –9.8 m/s2.

## When body thrown vertically upwards it means?

When a body is thrown vertically upwards, at the highest point only velocity is zero because the acceleration due to gravitational force is acting downward continuously and that is the reason for velocity being zero at the highest point, hence velocity is zero because of the acceleration.

**Is it possible for a body to have zero velocity but non-zero acceleration?**

A body may have zero velocity but non-zero acceleration. For example, when a body is thrown vertically upwards at the maximum height the body momentarily comes to rest. At this point the body attains zero ation due to gravity directed downward.