Describe how the force placed on the object impacted the acceleration of the object in the graph below. Velocity (m/s) 30 25 20 10 5 0 0 Velocity Time Graph 8 10 Time (s) 12 14 16 18 20
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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?(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.) . A basketball player shoots a Free throw. Make a sketch showing the basketball's velocity just after the ball leaves the player's hands. Draw in two components of this velocity, one horizontal and one vertical. Repeat the sketch for the instant just before the ball reaches the basket. What is different?A research group at Dartmouth College has developed a Head Impact Telemetry (HIT) System that can be used to collect data about head accelerations during impacts on the playing field. The researchers observed 249,613 impacts from 423 football players at nine colleges and high schools and collected collision data from participants in other sports. The accelerations during most head impacts (>89%) in helmeted sports caused head accelerations less than a magnitude of 400 m/s2m/s2. However, a total of 11 concussions were diagnosed in players whose impacts caused accelerations between 600 and 1800 m/s2m/s2, with most of the 11 over 1000 m/s2m/s2. Find the average speed of the head while stopping. Suppose that the magnitude of the head velocity change was 14 m/sm/s. Express your answer with the appropriate units
- A research group at Dartmouth College has developed a Head Impact Telemetry (HIT) System that can be used to collect data about head accelerations during impacts on the playing field. The researchers observed 249,613 impacts from 423 football players at nine colleges and high schools and collected collision data from participants in other sports. The accelerations during most head impacts (>89%) in helmeted sports caused head accelerations less than a magnitude of 400 m/s2m/s2. However, a total of 11 concussions were diagnosed in players whose impacts caused accelerations between 600 and 1800 m/s2m/s2, with most of the 11 over 1000 m/s2m/s2 Suppose that the magnitude of the head velocity change was 13 m/sm/s. Find time interval for the collision which would produce a possible concussion with an acceleration of 1000 m/s2m/s2?Time of Flight: 8 derive an equation for finding the velocity from the time of flight you measured in #2.In 10.0 seconds, the braking of an automobile reduces its speed from 58 miles per hour to 32 miles per hour. How far does the vehicle drive during this time?Note: 1 mile Equals 1609 meters.
- Explain the concept of the Law of Acceleration based on the result of the egg drop challenge please explain and relate the egg experiment to the lawA research group at Dartmouth College has developed a Head Impact Telemetry (HIT) System that can be used to collect data about head accelerations during impacts on the playing field. The researchers observed 249,613 impacts from 423 football players at nine colleges and high schools and collected collision data from participants in other sports. The accelerations during most head impacts (>89%) in helmeted sports caused head accelerations less than a magnitude of 400 m/s2. However, a total of 11 concussions were diagnosed in players whose impacts caused accelerations between 600 and 1800 m/s2, with most of the 11 over 1000 m/s2. Suppose the average speed while stopping was 9 m/s (not necessarily the correct value) and the collision lasted 0.01 s. Find the head's stopping distance (the distance it moves while stopping).NASA has fired a rocket straight up into the air from ground level with an unknown initial velocity. It reaches a maximum height of 164,000 feet. This happened in Cape Canaveral therefore the rocket is under the acceleration of Earth's gavity in which we all know is -32 ft/sec/sec. Please round your answers to two decimal places. a). Find the time it takes for the rocket to reach maximum height. b). find the initial velocity necessary to reach that height.
- The following tables include collected data for the distance traveled versus time for two different rockets. Use numerical differentiation toestimate the rocket’s velocity and acceleration at each time for Data1 and Data2. a=10The graph below shows the speed of a ball vs time. What explanation best describes the movement of this ball shown on the graph?I am doing a free-fall experiment for Physics and I need to make a position vs. time graph using the average value of release heights that I obtained. Do you know how I would be able to find the values for the time and position graph? The average value of release height is 1.9720736 m.