Miscellaneous

What is the speed of the ball just before it strikes the ground?

What is the speed of the ball just before it strikes the ground?

Conclusion: The magnitude of the velocity of the ball is 26.3 m/s for the parabolic motion just before it hits the ground and this greater than the 17.1 m/s for the velocity of the ball that falls straight downward.

What maximum height will the ball reach?

Therefore, at maximum altitude the velocity of the ball must be zero. 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….Objects Launched Upward.

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Variable Value
Δy FIND
a -9.8 m/s2
t 0.40 s

How long will the ball reach the same level at which it was thrown?

t = v/a = 30/9.8 = 3.06 seconds.

How do you find the initial height of a ball?

The initial velocity, v0 = 200 ft/sec and the initial height is h0 = 0 (since it is launched from the ground). Formula: h = -16t2 + 200t + 0.

How do you find maximum height with initial velocity?

h = v 0 y 2 2 g . h = v 0 y 2 2 g . This equation defines the maximum height of a projectile above its launch position and it depends only on the vertical component of the initial velocity.

What is velocity initial?

Therefore, the initial velocity is the velocity of the object before the effect of acceleration, which causes the change. After accelerating the object for some amount of time, the velocity will be the final velocity.

What is the initial velocity of the ball?

The initial velocity of the ball was +4.90 m/s (up).

What is the initial velocity of a ball launched vertically upwards?

A ball is launched vertically upwards from ground level with an initial velocity of 30 m/s. About how much time elapses before it reaches the ground? About what maximum altitude does it reach above ground?

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What is the acceleration of the ball as it rises?

Since the ball rises for 2.5 s, the time to fall is 2.5 s. [hidden-answer a=”430807″]The acceleration is 9.8 m/s2 everywhere, even when the velocity is zero at the top of the path. Although the velocity is zero at the top, it is changing at the rate of 9.8 m/s2 downward. [/hidden-answer]

When a ball is thrown upward the equations of fall apply?

If a ball is thrown upward, the equations of free fall apply equally to its ascent as well as its descent.

What is the initial velocity of an object in free fall?

These assumptions mean the velocity (if there is any) is vertical. If an object is dropped, we know the initial velocity is zero when in free fall. When the object has left contact with whatever held or threw it, the object is in free fall. When the object is thrown, it has the same initial speed in free fall as it did before it was released.