Answered: 2. A javelin is thrown with a speed of…

Name: 2. A javelin is thrown with a speed of 55 m s-1 at an angle of 42° wi
Uploaded: 2024-03-20T06:57:47.000Z
Channel: Bartleby
Description: 2. A javelin is thrown with a speed of 55 m s-1 at an angle of 42° with the horizontal.Calculate the velocityof thejavelin after 5 s. [Answer: v=42.7 m s;0 = 16.6° below positive-x axis ]

Science

Physics

2. A javelin is thrown with a speed of 55 m s-1 at an angle of 42° with the horizontal. Calculate the velocity of the javelin after 5 s. [Answer: v=42.7 ms; 0 = 16.6° below positive-x axis ]

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter3: Motion In Two Dimensions

Section: Chapter Questions

Problem 52AP: If raindrops are falling vertically at 7.50 m/s, what angle from the vertical do they make for a...

See similar textbooks

Similar questions

If raindrops are falling vertically at 7.50 m/s, what angle from the vertical do they make for a person jogging at 2.25 m/s?
1. If a cannonball were launched horizontally (launch angle of 0) with a speed of 34m/s from a height of 9m, how long would the cannonball remain in the air?
1. If a cannonball were launched with a speed of 34m/s at a 60° angle from the height of 0m, what would be the cannonball's range? 2. If a cannonball were launched horizontally (launch angle of 0) with a speed of 34m/s from a height of 9m, how long would the cannonball remain in the air?
A brick is thrown upward from the top of a building at an angle of 20° to the horizontal and with an initial speed of 14 m/s. If the brick is in flight for 2.8 s, how tall is the building? m
2.) The bullet is fired at an initial velocity of 350 m/s and an angle of 500 with the horizontal. Neglecting air resistance, how long will the bullet travel before hitting the ground?
A softball is hit with an initial velocity of 28.5 m/s at an angle of 60.3° above the horizontal and impacts the top of the outfield fence 4.91 s later. Assuming the initial height of the softball was 0.500 m above (level) ground, what are the ball's horizontal and vertical displacements? (Use 9.81 m/s2 for the acceleration due to gravity.)
A ball is kicked with an initial speed of 20.0 m/s at an angle 30.0° above the horizontal. How long it takes to reach the highest point?
If you drop an object from a height of 2.1 m, it will hit the ground in 0.65 s. If you throw a baseball horizontally with an initial speed of 29 m/s from the same height, how long will it take the ball to hit the ground?
An archer 20.0 m away from a 25 m high wall shoots an arrow at an enemy soldier above. If the initial velocity is 27 m/s [50.0o above the horizontal], will his arrow clear the wall?
A father demonstrates projectile motion to his children by placing a pea on his forks handle and rapidly depressing the curved tines, launching the pea to heights above the dining room table. Suppose the pea is launched at 8.25 m/s at an angle of 75.0 above the table. With what speed does the pea strike the ceiling 2.00 in above the table?
What is the acceleration of a rock thrown straight upward on the way up? At the top of its flight? On the way down?
An airplane flying directly eastward at a constant speed travels 300 km in 2.0 h. (a) What is the average velocity of the plane? (b) What is its instantaneous velocity?