Answer 5.-7. questions according to the text below: Two particles, A and B, move in a...
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Answer 5.-7. questions according to the text below: Two particles, A and B, move in a straight line. At t-0, the velocity of the particle B is initial position of the particle is x, = -9 m. The acceleration of B is 2 m/s². Particle A to the equation: x=² -10t+20, where x in meters and t in seconds. 5-) When do they meet each other? a) 2.9s b)3.8s c)0.2s d)1.1s e)5.4s 6-) What is the distance between them at t-1s? a)3 b) c)8 d)0 e)19 7-) When is the velocity of B is the twice of the velocity of A? a)2s b)5s c)13s d) 10s (e)20s Answer 5.-7. questions according to the text below: Two particles, A and B, move in a straight line. At t-0, the velocity of the particle B is initial position of the particle is x, = -9 m. The acceleration of B is 2 m/s². Particle A to the equation: x=² -10t+20, where x in meters and t in seconds. 5-) When do they meet each other? a) 2.9s b)3.8s c)0.2s d)1.1s e)5.4s 6-) What is the distance between them at t-1s? a)3 b) c)8 d)0 e)19 7-) When is the velocity of B is the twice of the velocity of A? a)2s b)5s c)13s d) 10s (e)20s Answer 5.-7. questions according to the text below: Two particles, A and B, move in a straight line. At t-0, the velocity of the particle B is initial position of the particle is x, = -9 m. The acceleration of B is 2 m/s². Particle A to the equation: x=² -10t+20, where x in meters and t in seconds. 5-) When do they meet each other? a) 2.9s b)3.8s c)0.2s d)1.1s e)5.4s 6-) What is the distance between them at t-1s? a)3 b) c)8 d)0 e)19 7-) When is the velocity of B is the twice of the velocity of A? a)2s b)5s c)13s d) 10s (e)20s
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