An object free falls for 3.5 seconds. How far does it fall? A) 120.05 m B) 17.15 m C) 60.03 m D) 34.3 m
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- 1. What direction is the velocity from t=0s to t=3s? a)0 b)- c)Cannot be determined d)+ 2. At which time is the object changing direction? a)3s b)The object is never changing direction during the time interval shown. c)5s d)6s e)7s 3. What is the sign of acceleration (or Δv ) from t=3s to t<5s? a)0 b)- c)Cannot be determined d)+ 4) What is the sign of acceleration (or Δv ) at t=5s? a)0 b)- c)Cannot be determined d)+Given a block of mass 5.00 kg on a table being pulled horizontally by a rope. The rope pulls to the left with a force of 25.0 N. Which of these expressions would yield the acceleration of the block in SI units? A. 25 X 5 B. 5 divided by 5 C. 25 X 5^2 D. 25 divided by 5 E. zeroThe following object has a mass of 5.2 kg. Determine the acceleration of the object. a. 11 m/s^2 left b. 13 m/s^2 left c. 10 m/s^2 left d. 12 m/s^2 left
- Unit 3 Exam Vectors and 2-D Kinematics Status Exam A vector quantity has A. only a magnitude. B. a magnitude and a direction. C. only a direction. D. a mass and a density. Copuright 20og - 2021 Acellus Corporation. All Rights Reserved. MacBook SC 00 F10 F11 12 @ #3 & 1 2 3 4 6. 7 8 Q W E R Y U A S D F G H. J K .. .. * LODescribe the motion of a person not wearing a seat belt if the car stops suddenly-- Select one: a. The person and car will stop together b. The car will stop and the person will speed up. С. The person will stop faster than the car because they are lighter. d. The car will stop and the person will keep moving forward because of inertiaax (m/s/s) 6 4 N O -2 -4 0 2 4 6 8 t(s) 10 12 14 16 A motorcycle starts from rest and accelerates as shown in the figure. a) Determine the motorcycle's velocity at t = 14 S. Submit Answer Tries 0/10 b) Determine the net displacement in the first 14 s. Submit Answer Tries 0/10