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At a Certain Instant a Moving Object Has Velocity V

Question 81

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At a certain instant a moving object has velocity v = 2i - 3j - k (in cm/s) and acceleration At a certain instant a moving object has velocity v = 2i - 3j - k (in cm/s) and acceleration . How fast is its speed changing at that instant? A) speed is decreasing at / cm B) speed is increasing at / cm C) speed is decreasing at / cm D) speed is increasing at / cm E) speed is unchanging . How fast is its speed changing at that instant?


A) speed is decreasing at / At a certain instant a moving object has velocity v = 2i - 3j - k (in cm/s) and acceleration . How fast is its speed changing at that instant? A) speed is decreasing at / cm B) speed is increasing at / cm C) speed is decreasing at / cm D) speed is increasing at / cm E) speed is unchanging cm At a certain instant a moving object has velocity v = 2i - 3j - k (in cm/s) and acceleration . How fast is its speed changing at that instant? A) speed is decreasing at / cm B) speed is increasing at / cm C) speed is decreasing at / cm D) speed is increasing at / cm E) speed is unchanging
B) speed is increasing at / At a certain instant a moving object has velocity v = 2i - 3j - k (in cm/s) and acceleration . How fast is its speed changing at that instant? A) speed is decreasing at / cm B) speed is increasing at / cm C) speed is decreasing at / cm D) speed is increasing at / cm E) speed is unchanging cm At a certain instant a moving object has velocity v = 2i - 3j - k (in cm/s) and acceleration . How fast is its speed changing at that instant? A) speed is decreasing at / cm B) speed is increasing at / cm C) speed is decreasing at / cm D) speed is increasing at / cm E) speed is unchanging
C) speed is decreasing at / At a certain instant a moving object has velocity v = 2i - 3j - k (in cm/s) and acceleration . How fast is its speed changing at that instant? A) speed is decreasing at / cm B) speed is increasing at / cm C) speed is decreasing at / cm D) speed is increasing at / cm E) speed is unchanging cm At a certain instant a moving object has velocity v = 2i - 3j - k (in cm/s) and acceleration . How fast is its speed changing at that instant? A) speed is decreasing at / cm B) speed is increasing at / cm C) speed is decreasing at / cm D) speed is increasing at / cm E) speed is unchanging
D) speed is increasing at / At a certain instant a moving object has velocity v = 2i - 3j - k (in cm/s) and acceleration . How fast is its speed changing at that instant? A) speed is decreasing at / cm B) speed is increasing at / cm C) speed is decreasing at / cm D) speed is increasing at / cm E) speed is unchanging cm At a certain instant a moving object has velocity v = 2i - 3j - k (in cm/s) and acceleration . How fast is its speed changing at that instant? A) speed is decreasing at / cm B) speed is increasing at / cm C) speed is decreasing at / cm D) speed is increasing at / cm E) speed is unchanging
E) speed is unchanging

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