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An arrow is shot straight up at an initial velocity of 200 ms. How long will it be in the air before beginning to fall?
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An arrow is shot straight up at an initial velocity of 200 meters per seconds. How long will it be before beginning to fall?
40.81632653 or (rounded to the nearest 10th) 40.8 seconds
What is the initial velocity if you kick a rock off a bridge that is 450 meters high and it travels a horizontal distance of 32 meters before hitting the water below?
You kicked the rock with an initial velocity of 3.4 m/s.
What should be the initial velocity of a rocket if it to hit a target 1000 km away?
initial velocity would be ZERO before launch. To calculate the velocity you would need to hit that target at that distance you would need to know the mass of the rocket and the angle of launch or trajectory simplifying it
When throwing a ball straight up when is the velocity zero?
The velocity is zero when t=v0/g. This comes from velocity of the ball is v=v0-gt, where v0 is the velocity which the ball is thrown with, the initial velocity. The balls v velocity is the initial velocity v0 - the gravity velocity gt. when the real velocity is zero v= v0-gt=0. solving this for t gives when the velocity is zero.
Which type of collision occurs when a baseball bat hits a baseball?
inelastic collision The formulas for the velocities after a one-dimensional collision are: where V1f is the final velocity of the first object after impact V2f is the final velocity of the second object after impact V1 is the initial velocity of the first object before impact V2 is the initial velocity of the second object before impact M1 is the mass of the first object M2 is the mass of the second object CR is the coefficient of restitution; if it is 1 we have an elastic collision; if it is 0 we have a perfectly inelastic collision
An arrow is shot straight up at an initial velocity of 200 meters per seconds. How long will it be before beginning to fall?
40.81632653 or (rounded to the nearest 10th) 40.8 seconds
What is the initial velocity of the car?
The speed of the vehicle before deceleration or braking.
What is the initial velocity if you kick a rock off a bridge that is 450 meters high and it travels a horizontal distance of 32 meters before hitting the water below?
You kicked the rock with an initial velocity of 3.4 m/s.
What should be the initial velocity of a rocket if it to hit a target 1000 km away?
initial velocity would be ZERO before launch. To calculate the velocity you would need to hit that target at that distance you would need to know the mass of the rocket and the angle of launch or trajectory simplifying it
When throwing a ball straight up when is the velocity zero?
The velocity is zero when t=v0/g. This comes from velocity of the ball is v=v0-gt, where v0 is the velocity which the ball is thrown with, the initial velocity. The balls v velocity is the initial velocity v0 - the gravity velocity gt. when the real velocity is zero v= v0-gt=0. solving this for t gives when the velocity is zero.
2 balls with same massball 1 has an initial velocity of 2ms in same directioncalculate velocity of the 2 balls before collisionassume that the velocity of the 2 balls are in same direction?
Reading this question very carefully and in great detail, and then subjecting it to several differentvarieties of microscopic, chemical, and molecular analysis, we're unable to find any informationpertaining to the initial velocity of Ball #2.We know that the two masses are equal, the initial velocities are in the same direction,the initial velocity of Ball #1 is 2 m/s, and that's it.We also note the peculiar nature of the question ... giving the velocity of one ball before collision,and then asking for both velocities beforecollision.That's like saying: My wife was in a fender-bender yesterday, with another car exactly likethe one she drives. She was going 30 mph before the collision. The other car was going inthe same direction. How fast were both cars going before the collision ?Weird !
How do you calculate velocity after perfectly collision?
To calculate the velocity after a perfectly elastic collision, you need to apply the principle of conservation of momentum and kinetic energy. First, find the initial momentum of the system before the collision by adding the momenta of the objects involved. Then, find the final momentum after the collision by equating it to the initial momentum. Next, solve for the final velocities of the objects by dividing the final momentum by their respective masses. Finally, make sure to check if the kinetic energy is conserved by comparing the initial and final kinetic energy values.
Which type of collision occurs when a baseball bat hits a baseball?
inelastic collision The formulas for the velocities after a one-dimensional collision are: where V1f is the final velocity of the first object after impact V2f is the final velocity of the second object after impact V1 is the initial velocity of the first object before impact V2 is the initial velocity of the second object before impact M1 is the mass of the first object M2 is the mass of the second object CR is the coefficient of restitution; if it is 1 we have an elastic collision; if it is 0 we have a perfectly inelastic collision
What is the name for a bend in a straight road?
a curve... Well that could be an answer however it is not possible to have a bend or a curve 'in' a straight road. A curve or bend is, by definition, after the end of one straight section and before the beginning of the next; so it can not be 'in' a straight road.
If a ball rolls off the edge of a table two meters above the floor and with an initial velocity of 20 meters per second what is the ball's acceleration and velocity just before it hits the ground?
The horizontal velocity has no bearing on the time it takes for the ball to fall to the floor and, ignoring the effects of air resistance, will not change throughout the ball's fall, so you know Vx. The vertical velocity right before impact is easily calculated using the standard formula: d - d0 = V0t + [1/2]at2. For this problem, let's assume the floor represents zero height, so the initial height, d0, is 2. Further, substitute -g for a and assume an initial vertical velocity of zero, which changes our equation to 0 - 2 = 0t - [1/2]gt2. Now, solve for t. That gives you the time it takes for the ball to hit the floor. If you divide the distance traveled by that time, you know the average vertical velocity of the ball. Double that, and you have the final vertical velocity! (Do you know why?) Now do the vector addition of the vertical velocity and the horizontal velocity. Remember, the vertical velocity is negative!
What is the formula for perfectly elastic collision?
Total momentum before = total momentum afterTotal kinetic energy before = total kinetic energy afterSum of x-components of velocity before = sum of x-components of velocity after.Sum of y-components of velocity before = sum of y-components of velocity after.Sum of z-components of velocity before = sum of z-components of velocity after.
What is initial credibility in communication?
Initial credibility is the credibility an individual has before beginning his or her speech; this is mostly based on the reputation and credentials of the speaker, if they are known to the audience. ... Think of terminal credibility as more of the lasting impression that an audience has of a speech and a speaker.
