1. Using graphical methods only (no calculus, no table of values), derive kinematic equation (3) from (2). You may refer to the figure below. Vf Vo to v(t) tf
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- A ball is thrown straight down with an initial speed of 2.3 m/s from a height of 5.0 m. What is the position of the ball after 3.5 s, in meters? Use g = 10 m/s2. Your answer needs to have 2 significant figures, including the negative sign in your answer ifA car accelerates at 4 m/s2 for 3 seconds. The direction of its acceleration is due west. If its initial velocity was 45 m/s, due east, and its initial position is zero, what is its final position? Round your answer to the nearest meter. Choose positive direction east.A car accelerates from rest at 4 m/s2. What is the velocity of the car after 4 seconds? What is the distance travelled by the car in 3 seconds?
- youtube.com/watch?v=srDeACrSf-o&t=12s In the video, I drop a ball off a three-story balcony. We know that objects in freefall follow the equation for height h, in meters, h=−4.9t2+ch=-4.9t2+c, where t is time in seconds, and c is the initial height. A student timed the drop at 1.51 seconds.Use this to determine the height from which the ball was dropped, to at least 2 decimal places.An object falls from the Transco Tower in Houston and takes 15 seconds to reach the ground. (ii). How tall is the building?(iii). What is its acceleration at the 2nd second?(iv). What is its acceleration at the 5th second?(v) if the Transco Tower were actually 3,000 meters tall, how long would an object take to free-fall off of the top of the building?A cyclist accelerates from rest along a straight, horizontal path for a time taccel = 14s at a rate of a = 1.3m/s2. Give an expression in terms of defined quantities for the final velocity of the bicycle after time taccel. -Use the kinematic equation that gives the velocity in terms of the initial velocity, the acceleration, and the elapsed time.
- Hi, I need help with this physcis problem. I've gone over it multiple times and can't firgure it out. Anyway you can help? A car, initially at rest, accelerates at a constant rate of 2 m/s2 due east (choose east as the positive direction; round your answer to the nearest meter per second; include units)What is its velocity after 1 second? What is its velocity after 2 seconds? What is its velocity after 3 seconds? What is its velocity after 4 seconds? What is its velocity after 5 seconds? What is its velocity after 9 seconds? If instead a car accelerates at a constant rate of 5 m/s2 due eastWhat is its velocity after 1 second? What is its velocity after 2 seconds? What is its velocity after 3 seconds? If instead a car accelerates at a constant rate of 5 m/s2 due westWhat is its velocity after 1 second?Thank you in advance for your quick help. Since the question is related please answer both questions together. I am repost this question again. Q1b) A stone is thrown upward at angle of 35o with a speed of 30 m/s from the top of a 40-m high building. (a) How long does it take the stone to reach the ground? (b) What is the speed of the stone just before it hits the ground?Q1b) Thank you in advance for your quick help. Since the question is related please answer both questions together. A stone is thrown upward at angle of 35o with a speed of 30 m/s from the top of a 40-m high building. (a) How long does it take the stone to reach the ground? (b) What is the speed of the stone just before it hits the ground?
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