1. Isaac can throw a baseball to a maximum height of 28.6 m above the ground. What is the speedof the ball when it hits the ground?m/s What is the total time of flight of the ballif Isaac releases the vertical throw 2.15 m above the ground?s What was theinitial velocity of the throw?m/s If Isaac then took a trip to the Moon where2the acceleration due to gravity is 1.62 m/s and threw the baseball vertically with the same initialvelocity and release point, what would be the maximum height the ball would travel above theMoon's surface?

Maximum height h = 28.6 m The final velocity that the baseball achieves at the height h is 0. The…

Answered: 1. Isaac can throw a baseball to a…

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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2. The rocket starts from rest to and travels straight up. Its . C. height above the ground can be approsimated by the functions S = bt+ct*where "b" and "e are constants. At t-10 seconds, the rockets velocity and acceleration are v229 m/s and an28.2 m/s. a Determine the value of S at t-5 seconds b. Determine the value of its velocity at t-5 seconds Determine the value of its acceleration at t-5 seconds
A javelin thrower standing at rest holds the center of the javelin behind her head, then accelerates it through a distance of 70cm as she throws. She releases the javelin 2.0m above the ground traveling at an angle of 30° above the horizontal. In this throw, the javelin hits the ground 62m away. a. What was the acceleration of the javelin during the throw? Assume that it has a constant acceleration. b. What is the speed of the javelin as it leaves the hand of the thrower? c. What is the maximum height reached by the javelin? O 10.5m 9.8m O 8.5m O 7.0m
A stone is dropped at height 500 m from the ground. After 2 seconds, another stone isthrown upward with an initial velocity of 70 m/s. Assume acceleration due to gravity is9.81 m/s2.a. What is the time when they will meet?b. What is the height h, from the ground, where they will meet?
3. A jet plane has a takeoff speed of Vtakeoff = 60 m/s and can move along the runway at an average acceleration of 2.0 m/s². The runway is 1.5 km. a. Write out the 3 Kinetic equations. 2. v2-U2= Jas 3.5=uttata2 b. Write out the values of initial position, initial velocity, and acceleration. initial position uloity- a: 0.2m/s init.al aueleradion- How many seconds will it take for the plane to reach takeoff speed? С. d. How far will the plane have to travel to get to takeoff speed? e. will the plane be able to get to 60 m/s before it gets to the end of the runway?
7. A feather is dropped on the moon from a height of 1.40 meters. The acceleration of gravity on the moon is 1.67 m/s?. Determine the time for the feather to fall to the surface of the moon. a. 2.29 s b. 1.29 s. c. 1.29 m d. 0.29 s. a C d
I see that an object has is decelerating, what does this tell me about A? A. Nothing at all, what i see has nothing to do with A B. A is a positive C. A is a negative D. A could be either, depending on the direction of the velocity Can I do the vertical part of a projectile motion problem separately from the horizontal part? A. Always. Horizontal motion is completely separate from vertical motion though they share time B. Never. C. Only under very special circumstances
4. Marcus throws a rock straight up into the air. It leaves his hand 1.2 meters above the ground, and it hits the ground 3.5 seconds later. Find a. the initial speed of the rock when it leaves his hand b. the maximum height the rock reaches before falling back down, relative to the ground c. the speed of the rock right before it hits the ground
A spring gun that is mounted at the edge of a 2.0-m-high table launches a steel ball at an angle of 230 above the horizontal with an initial speed of 7.0 m/s. What is the total time of flight of the steel ball? (Assume that g = 9.81 m/s2.) a. 0.80 s b. 0.60 s c. 0.40 s d. 1.0 s e. 1.2 s
Number 6
2. A jet plane has a takeoff speed of vtakeoff = 73 m/s and can move along the runway at an average acceleration of 2.4 m/s2. The runway is 1.2 km. Write out the 3 Kinetic equations. a. b. Write out the values of initial position, initial velocity, and acceleration. How many seconds will it take for the plane to reach takeoff speed? с. d. How far will the plane have to travel to get to takeoff speed? will the plane be able to get to take off before it gets to the end of the runway? е.
3. A quarterback throws a football with initial velocity components Voy= 10.0 m/s (upward) and Vax = 19.0 m/s (down the field). It is caught at the same height it is thrown from. a. How long does it take for the football to reach its maximum height? b. How high is this point above where the ball was released? c. How much time, after it was thrown, elapses before the ball is caught? Compare this time to what you found in part (a). d. How far away from the quarterback is the ball when it is caught? 4. Repeat question 3, but have the initial speed of the ball be 28.0 m/s and the initial angle be 38.0° up from horizontal.
There is a freefalling object starting at rest.a.Exactly 1.8s later what will be its velocity?b.What is the displacement fallen after 1.8s later? C.If vertical and horizontal velocity components of a projectile are 127 m/s, what is the resultant velocity and direction?

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