Physics 10e Binder Ready Version+ WileyPLUS Registration Card
10th Edition
ISBN: 9781119030713
Author: John D. Cutnell, Kenneth W. Johnson
Publisher: Wiley (WileyPLUS Products)
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Chapter 18, Problem 21P
(a)
To determine
the magnitude and direction of the net force.
(b)
To determine
the acceleration of q1.
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Part C
Find the height yi
from which the rock was launched.
Express your answer in meters to three significant figures.
Learning Goal:
To practice Problem-Solving Strategy 4.1 for projectile motion problems.
A rock thrown with speed 12.0 m/s and launch angle 30.0 ∘ (above the horizontal) travels a horizontal distance of d = 19.0 m before hitting the ground. From what height was the rock thrown? Use the value g = 9.800 m/s2 for the free-fall acceleration.
PROBLEM-SOLVING STRATEGY 4.1 Projectile motion problems
MODEL: Is it reasonable to ignore air resistance? If so, use the projectile motion model.
VISUALIZE: Establish a coordinate system with the x-axis horizontal and the y-axis vertical. Define symbols and identify what the problem is trying to find. For a launch at angle θ, the initial velocity components are vix=v0cosθ and viy=v0sinθ.
SOLVE: The acceleration is known: ax=0 and ay=−g. Thus, the problem becomes one of…
Phys 25
Chapter 18 Solutions
Physics 10e Binder Ready Version+ WileyPLUS Registration Card
Ch. 18.2 - Prob. 1CYUCh. 18.2 - Prob. 2CYUCh. 18.2 - Prob. 3CYUCh. 18.4 - Prob. 4CYUCh. 18.4 - Prob. 5CYUCh. 18.4 - Prob. 6CYUCh. 18.5 - Prob. 7CYUCh. 18.5 - 8. The drawing shows three point charges arranged...Ch. 18.5 - Prob. 9CYUCh. 18.5 - 10. A particle is attached to one end of a...
Ch. 18.6 - Prob. 11CYUCh. 18.6 - Prob. 12CYUCh. 18.6 - Prob. 13CYUCh. 18.6 - Prob. 14CYUCh. 18.6 - Prob. 15CYUCh. 18.6 - Prob. 16CYUCh. 18.7 - Prob. 17CYUCh. 18.7 - Prob. 18CYUCh. 18.9 - Prob. 19CYUCh. 18.9 - Prob. 20CYUCh. 18.9 - Prob. 21CYUCh. 18 - Prob. 1FCCh. 18 - Prob. 2FCCh. 18 - Prob. 4FCCh. 18 - 5. Only one of three balls A, B, and C carries a...Ch. 18 - Prob. 8FCCh. 18 - Prob. 9FCCh. 18 - Prob. 12FCCh. 18 - Prob. 13FCCh. 18 - Prob. 17FCCh. 18 - Prob. 18FCCh. 18 - Prob. 1PCh. 18 - Prob. 2PCh. 18 - Prob. 3PCh. 18 - Prob. 4PCh. 18 - Prob. 6PCh. 18 - Prob. 7PCh. 18 - Prob. 8PCh. 18 - 9. Two spherical objects are separated by a...Ch. 18 - 10. Two tiny conducting spheres are identical and...Ch. 18 - 11. Two very small spheres are initially neutral...Ch. 18 - Prob. 12PCh. 18 - Prob. 13PCh. 18 - Prob. 14PCh. 18 - 15. Two tiny spheres have the same mass and carry...Ch. 18 - Prob. 16PCh. 18 - Prob. 17PCh. 18 - Prob. 18PCh. 18 - Prob. 19PCh. 18 - Prob. 20PCh. 18 - Prob. 21PCh. 18 - *22. An electrically neutral model airplane is...Ch. 18 - Prob. 23PCh. 18 - *24. An unstrained horizontal spring has a length...Ch. 18 - Prob. 25PCh. 18 - Prob. 26PCh. 18 - Prob. 27PCh. 18 - Prob. 28PCh. 18 - Prob. 29PCh. 18 - Prob. 30PCh. 18 - Prob. 31PCh. 18 - Prob. 32PCh. 18 - Prob. 33PCh. 18 - Prob. 35PCh. 18 - Prob. 36PCh. 18 - Prob. 37PCh. 18 - Prob. 38PCh. 18 - Prob. 39PCh. 18 - Prob. 40PCh. 18 - Prob. 42PCh. 18 - Prob. 43PCh. 18 - Prob. 44PCh. 18 - Prob. 45PCh. 18 - Prob. 47PCh. 18 - Prob. 48PCh. 18 - Prob. 49PCh. 18 - **50. Two particles are in a uniform electric...Ch. 18 - Prob. 51PCh. 18 - Prob. 52PCh. 18 - Prob. 53PCh. 18 - Prob. 54PCh. 18 - Prob. 55PCh. 18 - Prob. 56PCh. 18 - Prob. 57PCh. 18 - 58. A charge Q is located inside a rectangular...Ch. 18 - Prob. 59PCh. 18 - Prob. 61PCh. 18 - Prob. 62PCh. 18 - Prob. 63APCh. 18 - Prob. 64APCh. 18 - Prob. 65APCh. 18 - Prob. 66APCh. 18 - 67. Two charges are placed on the x axis. One of...Ch. 18 - Prob. 68APCh. 18 - Prob. 69APCh. 18 - Prob. 70APCh. 18 - Prob. 73APCh. 18 - Prob. 74APCh. 18 - *75. Two parallel plate capacitors have circular...Ch. 18 - Prob. 76APCh. 18 - Prob. 77AP
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