A water balloon is launched with a speed of 40 m/s at an angle of 60° to the horizontal.The VxandVycomponents arem/s andm/s respectively.-38.0, -12.2O 20.0, 34.6O 46.0, 38.6hpC$&78.9.tyu ir4

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Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter10: Work, Energy And Machines

Section: Chapter Questions

Problem 102A

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Similar questions

A student at the top of a building of height h throws one ball upward with a speed of i and then throws a second ball downward with the same initial speed i. Just before it reaches the ground, is the final speed of the ball thrown upward (a) larger, (b) smaller, or (c) the same in magnitude, compared with the final speed of the ball thrown downward?
Towns A and B in Figure P4.64 are 80.0 km apart. A couple arranges to drive from town A and meet a couple driving from town B at the lake, L. The two couples leave simultaneously and drive for 2.50 h in the directions shown. Car 1 has a speed of 90.0 km/h. If the cars arrive simultaneously at the lake, what is the speed of car 2?
A 2 kg ball Is thrown straight into the air at 9 m/s. How high does it travel? Use g=9.8 m/s2
A 2 kg ball is thrown straight into the air at 12 m/s. How high does it travel? Use g = 9.8 m/s2 Calculate answer to one decimal.
A large rock is dropped from rest from the edge of a cliff that is 20 m above the surface of the ocean. How long does it take for the rock to hit the water? (Ignore air resistance and assume g=10 m/s2)
A 5 kg ball is thrown straight into the air at 6 m/s. How high does it travel? Use g = 9.8 m/s2
28 - A skier starts to slide from the 20 m high ramp for the first time without speed and without friction. What is the speed of the boatman at the lower end of the ramp?A) 29 m / s B) 60 m / s C) 20 m / s D) 30 m / s E) 25 m / s
1. A pitcher throws a baseball with mass 0.2 kg straight upward with an initial speed of 20.0 m/s. Calculate the speed (in m/s) of the baseball at a height of 15.0 m above the pitcher’s hand.
A student throws a heavy red ball horizontally from a balcony of a tall building with an initial speed i. At the same time, a second student drops a lighter blue ball from the balcony. Neglecting air resistance, which statement is true? (a) The blue ball reaches the ground first. (b) The balls reach the ground at the same instant. (c) The red ball reaches the ground first. (d) Both balls hit the ground with the same speed. (e) None of statements (a) through (d) is true.
A catapult launches a large stone from ground level at a speed of 45.0 m/s at an angle of 55.0 with the horizontal. The stone returns to ground level shortly thereafter, (a) How long is it in the air? (b) What maximum height does the stone reach? (Neglect, air friction.) (See Section 3.4.)
It is possible to shoot an arrow at a speed as high as 100 m/s. (a) If friction can be ignored, how high would an arrow launched at this speed rise if shot straight up? (b) How long would the arrow be in the air?
A projectile is launched on the Earth with a certain initial velocity and moves without air resistance. Another projectile is launched with the same initial velocity on the Moon, where the acceleration due to gravity is one-sixth as large. How does the maximum altitude of the projectile on the Moon compare with that of the projectile on the Earth? (a) It is one-sixth as large. (b) It is the same. (c) It is 6 times larger. (d) It is 6 times larger. (e) It is 36 times larger.

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A water balloon is launched with a speed of 40 m/s at an angle of 60° to the horizontal. The vx and vy components are m/s and m/s respectively. --- O -38.0, -12.2 O 20.0, 34.6 O 46.0, 38.6