A ball is thrown straight up in the air with an initial velocity of 20.0 m/s. One second after it is released it is still moving upward in the air. At this time what is the magnitude of the acceleration of the ball (in m/s^2)? *Note that magnitudes are nonnegative quantities.
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A ball is thrown straight up in the air with an initial velocity of 20.0 m/s. One second after it is released it is still moving upward in the air. At this time what is the magnitude of the acceleration of the ball (in m/s^2)? *Note that magnitudes are nonnegative quantities. |
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- What is the total time it takes for a ball that is tossed straight up at 10 m/s to reach the top of its path and then return to its starting point? Hint: since the ball returns to its starting point, what is its displacement? Your answer should be in units of seconds but you should only submit the number for your answerA ball is thrown upward with an initial velocity of 11 m/s. The approximate value of g = 10 m/s2. Take the upward direction to be positive. What is the magnitude and the direction of the velocity of the ball 1 second after it is thrown? The magnitude of the velocity is ____m/s, and the motion is A) Upward B) DownwardThe acceleration of a bus is given by a, (t) = at, where a = 1.25 m/s³ is a constant. ▾ Part A If the bus's velocity at time ₁1.15 s is 4.90 m/s, what is its velocity at time t₂ = 2.20 s? Express your answer in meters per second. = 7.10 m/s Submit ✓ Correct Correct answer is shown. Your answer 6.78 m/s was either rounded differently or used a different number of significant figures than required for this part. Part B Previous Answers If the bus's position at time ₁ = 1.158 is 6.00 m, what is its position at time (₂2.20 s? Express your answer in meters. ΓΓΙ ΑΣΦ VO z= 7.90 A Submit Previous Answers Request Answer < Return to Assignment P * Incorrect; Try Again; 8 attempts remaining You may have omitted the initial velocity of the bus. Provide Feedback ? m
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