ExampleA car is accelerating from 80 m/s to 120 m/s in 8 seconds. Calculate the acceleration?G: v₁ = 80m/s vf = 120m/s At = 8sU: a =?21E: a = 5120-80SmS: a =8sfor accelerationAs you can see, I carried the unit of measure for speed and time in the formulaS: a =120-80m8sthe units for measure for acceleration. I know there is8s²m40™= 40 = 40÷8s = 40 × ² =8smindeed the units for measure for acceleration is40mm== 5 As you can see here, I calculatedbut I show my work and prove thatI hope that my example is clear. If you have any questions please write an email. 26. A baseball with a mass of 0.152 kg is moving horizontally at 32.0 m/s [E], when it is struckby a bat for 0.00200 seconds. The velocity of the ball just after the collision is 52.0 m/s[W 20° N].a) Find the impulse experienced by the ball.b) Find the average net force of the ball.23. A stationary 2000 kg cannon fires a 25 kg cannon ball horizontally at 250 m/s. Findthe velocity of the cannon after firing the cannon ball. You may assume that there is nofriction acting on the cannon.

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26. A baseball with a mass of 0.152 kg is moving horizontally at 32.0 m/s [E], when it is struck by a bat for 0.00200 seconds. The velocity of the ball just after the collision is 52.0 m/s [W 20° N]. a) Find the impulse experienced by the ball. b) Find the average net force of the ball. 23. A stationary 2000 kg cannon fires a 25 kg cannon ball horizontally at 250 m/s. Find the velocity of the cannon after firing the cannon ball. You may assume that there is no friction acting on the cannon.

26. A baseball with a mass of 0.152 kg is moving horizontally at 32.0 m/s [E], when it is struck by a bat for 0.00200 seconds. The velocity of the ball just after the collision is 52.0 m/s [W 20° N]. a) Find the impulse experienced by the ball. b) Find the average net force of the ball. 23. A stationary 2000 kg cannon fires a 25 kg cannon ball horizontally at 250 m/s. Find the velocity of the cannon after firing the cannon ball. You may assume that there is no friction acting on the cannon.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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