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A 8-kg lead brick falls from a height of 2.2 m What impulse is needed to bring the brick to rest?
The impulse needed to bring the lead brick to rest can be calculated using the impulse-momentum theorem. The change in momentum is equal to the final momentum of the brick (0, since it comes to rest) minus the initial momentum. The initial momentum can be calculated by multiplying the mass of the brick by the initial velocity, which can be found using the formula: v = √(2gh), where g is the acceleration due to gravity (9.81 m/s^2), and h is the height (2.2 m). Substituting the values and solving for the initial velocity, the initial momentum can be calculated. The impulse would then be equal to the change in momentum.
Why did you use the height from the release point of the ball to the table top instead of all the way down to the floor?
We used height to make it gain momentum. The more the height, the more momentum the ball gains.
How many steps can you have before you need a landing?
For every 12 feet in height, you need a landing.
What is a standard height of hand rail on a landing?
1100mm minimum.
Are frontflips easy?
they are dangerous but if you have enough momentum and height they are easy to carry through
How does the height of pendulum affect momentum of the lump of clay?
As the length of a pendulum increase the time period increases whereby its speed decreases and thus the momentum decrease.
Do you have to be skinny to do a backflip?
no all you need is a height of your jump then flip and a perfect landing
A ball of mass 0.150kg is dropped from rest from a height of 1.25m. it rebounds from the floor to reach a height of 0.960m what impulse was given to the ball by the floor?
1.39 Ns up
Is water good for a soft landing?
I depends on the height if it is 20meters and below i might survive.
What was the average interval between planes landing at the height of the Berlin Airlift?
The average interval was one plane every 45 seconds at the height of the blockade.
Can abody have energy without having momentum?
yes. a body can have energy without momentum also. consider a body at a height 'h' m above the ground level , potential energy contained is = mgh but , as the velocity is 0 we can consider that the momentum of the body is 0
How will momentum and velocity affect the launch of a rocket?
Momentum is the product of an object's mass and velocity, so a rocket with high momentum will have more force upon launch. Velocity is the speed at which the rocket is moving, which affects how quickly it accelerates and gains height. Both momentum and velocity are crucial for determining the rocket's trajectory and performance during launch.
