How many variables are required to define the motion of a body in a plane? a) 1 b) 2 c) 3 d) 4
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How many variables are required to define the motion of a body in a plane?
a) 1
b) 2
c) 3
d) 4
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- Classify each quantity as a scalar quantity or vector quantity. Answer choices may be used more than once. 1. average velocity 2. distance 3. position 4. speed 5. displacementFor an object on the surface of the earth, the magnitude of the acceleration due to the gravity of the earth it experiences depends also depends on the mass of that object. a) True b) FalseAn object is thrown with a speed of 11.6 m/s at an angle of 59.2 degrees above the horizontal. What is the maximum height (in metres) that it rises to? Use 2 decimals in your answer Your Answer: Answer
- sapp.com Describe the motion of a person not wearing a seat belt if the car stops suddenly Select one: The car will stop and the person will speed up. Ob. The person will stop faster than the car because they are lighter. Oc The car will stop and the person will keep moving forward because of inertia Od The person and car will stop together 36°C lb DELL F2 F4 F5 F6 F7 F8 BIO F9 F10 F11 F12 Home End 144 44 %23 24q3b7) A ball is thrown in the air at an angle of 40°. If the maximum height it reaches is 10 m, what must be its initial speed? a) 17.46 m/s b) 21.78 m/s c) 304.92 m/s d) 474.37 m/s
- 1. Draw a vector to represent each of the following physical quantities. Choose an appropriate coordinate system. a. A displacement of 40 km in the negative y-direction. b. A velocity of 30 m/s at 5° below the negative x-axis. C. An acceleration of 5 m/s² due east. d. A force of 30 N at 15° south of west.Can you explain how you solved itA pickup truck weighing 2500 kg travels at a constant speed of 19m/s around a circular track. The diameter of the circular track is 59m. What is the magnitude of the acceleration of the truck? Please write the answer in one decimal place
- d) 7 13- An object is thrown in the air with an initial velocity Vo and making an angle 0 with the surface of the earth. Which of the following is correct? a) The object's horizontal acceleration is g=9.81 m/s². b) The object's vertical acceleration is zero. c) The object's horizontal speed is constant. d) The object's vertical speed is constant. f the density of copper is 12 g/cm', t-The ball is traveled from A to B with vo = 0.5 m/s find the total distance X between A and B, and find the maximum height. 3 m X 30° VO 2 mA runner is going 7 m/s around a curved section of track that has a radius of 64 m. What is the runner's acceleration? m/s2 radially inward