E12: A ball rolls off of a shelf with a horizontal velocity of 3.0 m/s and hits the floor a distance 2.55m from the shelf. How many seconds did it take to hit the floor?
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Q: O 2250 m
A: Refer attachment
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- 40 30 Figure 1. The red points from 1 to 15 show the successive locations of a puck at times t=0s, 1/6 s, 2/6 s, 3/6 s, 4/6 s, etc. Connecting these points with the blue curve shows the puck's trajectory. The blue coordinate system is tilted and displaced with respect to the black coordinate system. 20 15 In Figure 1, at red point 1 is the x-component of the velocity of the puck positive or negative? 10 25 10 35 40 45 50. 55 Use the blue coordinate system. O Negative O PositiveThe position of a bird in the xy-plane is given by = (4.0m-x t²)î + Btĵ where x= 2.5 m/s2 and B = 5 m/s . What is the magnitude of bird's net velocity at 2.0 s? %3D 4.0 m/s O7.1 m/s O 11.2 m/s 15 m/s O -5.0 m/sEmily throws a soccer ball out of her dorm window to Allison, who is waiting below to catch it. Emily throws the ball at an angle of 30° below horizontal with a speed of 12 m/s, and Allison catches it 2.5 s later. How far from the base of the dorm does Allison stand to catch the ball, in meters? Use g = 10.0 m/s2.
- A soccer ball is kicked from the ground with an initial speed of 18.9 m/s at an upward angle of 48.1. A player 48.4 m away in the direction of the kick starts running to meet the ball at that instant. What must be his average speed if he is to meet the ball just before it hits the ground? Neglect air resistance.Use g-9.81 m/s². Number 4.32 Unit m/sYou are walking around your neighborhood and you see a child on top of a roof of a building kick a soccer ball. The soccer ball is kicked at 50° from the edge of the building with an initial velocity of 10 m/s and lands 20 meters away from the wall of the building. Which equation will allow you to solve for the amount of time the ball is in the air? Hint: look at your givens in the x-direction. Group of answer choices A. vfx2=v0x2+2axΔx B. vfx=v0x+axt C. Δx =v0x t + ½ axt2a cat is setting at the end of a long hallway. a mouse is running away from the cat , at a constant velocity of 1.58 m/s. whe the mouse is 3.43 meters away from the cat, the cat gets up and accelerates from rest at a constant rate of 1.99 m/s squared to catch the mouse.How much time does it take the cat to catch the mouse? How far does the cat run before catching the mouse?
- A baseball pitcher throws a pitch with an initial velocity of 45 m/s (100 mph!), directed horizontally. You will be asked to find how far the ball drops vertically by the time it crosses the plate 18.0 m away. Find the time it takes for the ball to travel the horizontal distance to the plate. 2.5 s 0.40 s 4.6 s 0.22 s6.I had a dream last night that I was chased by my teddy bear. In my dream, I was sleepwalking at a constant velocity of 60ft/sec. At exactly 4:00 am I noticed my teddy bear standing 1000 feet behind me. At that instant I began to accelerate at 10 ft/sec/sec and the teddy bear began to accerlate after me at 12 ft/sec/sec. At the moment the bear caught up to me, I woke from my dream in a cold sweat. To the nearest second, What time was this?