Question 5 a string, in a circular arc like a pendulum in gravity. What is the direction of its acceleration at the bottom point, B, of its motion? A) It is has no acceleration at this point. A weight swings back and forth on the end of B) Straight up. C) Straight down. D) Exactly opposite to the direction of its motion.
Question 5 a string, in a circular arc like a pendulum in gravity. What is the direction of its acceleration at the bottom point, B, of its motion? A) It is has no acceleration at this point. A weight swings back and forth on the end of B) Straight up. C) Straight down. D) Exactly opposite to the direction of its motion.
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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Transcribed Image Text:Question 5
a string, in a circular arc like a pendulum in gravity. What is the
direction of its acceleration at the bottom point, B, of its motion?
A weight swings back and forth on the end of
A) It is has no acceleration at this point.
B) Straight up.
C) Straight down.
D) Exactly opposite to the direction of its motion.
Question 6
with respect to still air is seen to be flying with a ground velocity speed 618 km/h straight north. The wind
at its elevation is moving straight to the east.
According to observers on the ground, a plane that has cruising speed of 640.0 km/h
What is the speed of the wind?
Hìnt: Draw a clearly labeled vector diagram of the velocity vectors.
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