What is the final velocity of a ball throw down at 10 m/s after two seconds? * 1 Add File How much did you accelerate when starting from rest and traveling 500 meters in 20 seconds? * 1 Add File
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A: Velocity vs Time graph with an increasing slope
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A: A car is going 16 m/s for the 12 s
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A: The instantaneous speed is the speed of an object at any instant. It is a scalar quantity.
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Q: In 3.0 seconds, the braking of an automobile reduces its speed from 59 miles per hour to 20 miles…
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Q: Snowshoe Race (Part H)-Which of the following position time graphs best represents the situation…
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A: To find- Acceleration from 14-20 seconds, speed at 7 & 13 seconds.
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- (Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) Scenes in films or television programs sometimes show people jumping off moving trains and having unpleasant encounters with the ground. If someone is on a moving flatbed train car and wishes to jump off, how could the person use the concept of relative speed to make a safer dismount?The graph in Figure 1.38 shows the distance versus time for an elevator as it moves up and down in a building. Compute the elevator's velocity at the times marked a, b, and c.A car traveling at 20 m/s when the driver sees a child standing in the road. He takes 0.80 s to react, then steps on the brakes and slows at 7.0 m/s2. How far does the car go before it stops? Use sketches on velocity vs time and acceleration vs time graphs to make your case.
- George walks to a friend’s house. He walks 750 meters North, then realizes he walked too far. He turns around and walks 250 meters South. The entire walk takes him 13 seconds. What is his speed per second? What is his velocity in meters per second? Please show the formula you use and explain it in an easy to understand way.Position was 10m Velocity 0m/s Acceleration -0.7m/s^2 Describe the graph **in the graph pic the man didn't move** Position vs time? Velocity vs time? Acceleration vs time?A train is traveling at a velocity of 85 feet per second when it hits its brakes. It slows down at a constant rate of 0.8 feet per second each second until it stops. DO NOT ROUND YOUR ANSWERS. 1) How long will it take the train to stop? Answer in decimal form. 2) After it hits its brakes, how many feet will it travel before it stops? Answer in decimal form.
- What would the graph of the distance fallen over time look like if a ball were to fall at a constant speed? Sketch out the general shape on this graphA kid riding a bike accelerates at a rate of 6.9 m/s2. The kid accelerates constantly for 12 seconds. What is his velocity after 12 seconds? The final velocity is: How far has he traveled after 12 seconds? The distance traveled is:In 7.0 seconds, the braking of an automobile reduces its speed from 69 miles per hour to 40 miles per hour. How far does the vehicle drive during this time?Note: 1 mile Equals 1609 meters.
- Lightning Mcqueen moves from rest and accelerates for 9 seconds. Its velocity after 5 seconds is 15 m/s. What is Lightning Mcqueen's acceleration in meters per square seconds? What is the car's velocity after acceleration? How far did the car travel during its acceleration?Solve and answer the following question showing the complete step-by-step process. 1. The speed of a nerve impulse in the human body is about 100 m/s. If you accidentally stub your toe in the dark, estimate the time it takes the nerve impulse to travel to your brain.Solve and answer the following question showing the complete step-by-step process. 1. A 50.0-g Super Ball traveling at 25.0 m/s bounces off a brick wall and rebounds at 22.0 m/s. A high-speed camera records this event. If the ball is in contact with the wall for 3.50 m/s, what is the magnitude of the average acceleration of the ball during this time interval?
