2. A 2.0 kg object moving to the right with speed 0.50 m/s experiences the force shown. What are the object's speed and direction after the force ends? F, (N) A. 0.50 m/s left B. At rest C. 0.50 m/s right D. 1.0 m/s right E. 2.0 m/s right 24
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- Calculate the free-fall acceleration of an object at a height of 3190 km away from the earth surface? O A. 9.81 m/s^2 B. 4.90 m/s^2 O C. 39.24 m/s^2 D. 4.35 m/s^2. A 3.0kg cannon ball is shot from a cannon at a speed of 20m/s. The cannon is oriented50 degrees above the horizontal and the cannon’s barrel is 8.0m above the ground. Youwant to position a mat that will catch the cannon ball.a. Determine how much time the cannon ball will spend in flight.b. Draw a force diagram for three points during the cannon ball’s flight (1) while itis being shot from the cannon, (2) when it is at its maximum height, and (3) whenit is half-way between the maximum height and the mat.c. Determine the horizontal distance from the end of the barrel where you shouldplace the mat so that it will catch the ball.d. How fast is the cannon ball moving just before it hits the mat?A flower pot falls from a window that is 50 meters high. When is the speed of the flower pot 10 m/s? A.During the entire time of its fall B.After it has fallen 10 meters C.At the end of the first second of its fall D.At no time is the speed 10 m/s
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- A motorcycle moves around a circular track whose radius 2.69km. . It goes once around the trac368 seconds. What is the magnitude of the capital acceleration of the bike? A. 1.2 b.0.54 c.0.78 d.2.3 e.0.659. A ball is dropped from rest from a very tall building. Gravity accelerates the ball at 9.8 m/sec?. How fast is the ball traveling after 1.5 seconds? A. 14.7 m/sec B. 24.7 m/sec C. 34.7 m/sec D. 44.7 m/sec 10. A ball is dropped from rest from a very tall building. Gravity accelerates the ball at 9.8 m/sec2. What distance did the ball travel in the 1.5 seconds? A. 6.025 m В. 11.025 m С. 16.025 m D. 21.025 m