HW8

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School

Arizona State University *

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Course

214

Subject

Physics

Date

Apr 3, 2024

Type

pdf

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Uploaded by DoctorDolphinPerson817

4/1/23, 7:36 PM Assignment Print View https://ezto.mheducation.com/api/caa/activity/C15Print?jwt=eyJhbGciOiJSUzI1NiJ9.eyJlbnZpcm9ubWVudCI6InByb2QiLCJpc3MiOiJlenQiLCJwcmlud… 1/21 Score: 100/100 Points 100 % NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. A ball is thrown so that the motion is defined by the equations x = 5.4 t , where x and y are expressed in meters and t is expressed in seconds. References Section Break Diﬃculty: Medium

4/1/23, 7:36 PM Assignment Print View https://ezto.mheducation.com/api/caa/activity/C15Print?jwt=eyJhbGciOiJSUzI1NiJ9.eyJlbnZpcm9ubWVudCI6InByb2QiLCJpc3MiOiJlenQiLCJwcmlud… 2/21 1. Award: 7.69 out of 7.69 points You did not receive full credit for this question in a previous attempt Determine the magnitude and angle of the velocity at t = 1 s. The magnitude of velocity at t = 1 s is 6.6 m/s and the angle is 35.1 °. References Worksheet Difficulty: Medium Determine the magnitude and angle of the velocity at t = 1 s. The magnitude of velocity at t = 1 s is 6.6 ± 5% m/s and the angle is 35.1 ± 5% °. Explanation:

4/1/23, 7:36 PM Assignment Print View https://ezto.mheducation.com/api/caa/activity/C15Print?jwt=eyJhbGciOiJSUzI1NiJ9.eyJlbnZpcm9ubWVudCI6InByb2QiLCJpc3MiOiJlenQiLCJwcmlud… 3/21 2. Award: 7.69 out of 7.69 points You did not receive full credit for this question in a previous attempt Determine the horizontal distance the ball travels before hitting the ground. The horizontal distance the ball travels before hitting the ground is 8.08 m. References Worksheet Difficulty: Medium Determine the horizontal distance the ball travels before hitting the ground. The horizontal distance the ball travels before hitting the ground is 8.08 ± 5% m. Explanation: Horizontal distance, +

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4/1/23, 7:36 PM Assignment Print View https://ezto.mheducation.com/api/caa/activity/C15Print?jwt=eyJhbGciOiJSUzI1NiJ9.eyJlbnZpcm9ubWVudCI6InByb2QiLCJpc3MiOiJlenQiLCJwcmlud… 4/21 NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. A ski jumper starts with a horizontal take-off velocity of 31 m/s and lands on a straight landing hill inclined at 30°. References Section Break Diﬃculty: Medium

4/1/23, 7:36 PM Assignment Print View https://ezto.mheducation.com/api/caa/activity/C15Print?jwt=eyJhbGciOiJSUzI1NiJ9.eyJlbnZpcm9ubWVudCI6InByb2QiLCJpc3MiOiJlenQiLCJwcmlud… 5/21 3. Award: 7.69 out of 7.69 points You did not receive full credit for this question in a previous attempt Determine the time between take-off and landing. (You must provide an answer before moving on to the next part.) The time between take-off and landing is 3.65 s. References Worksheet Difficulty: Medium Determine the time between take-off and landing. (You must provide an answer before moving on to the next part.) The time between take-off and landing is 3.65 ± 5% s. Explanation:

4/1/23, 7:36 PM Assignment Print View https://ezto.mheducation.com/api/caa/activity/C15Print?jwt=eyJhbGciOiJSUzI1NiJ9.eyJlbnZpcm9ubWVudCI6InByb2QiLCJpc3MiOiJlenQiLCJwcmlud… 6/21 4. Award: 7.69 out of 7.69 points You did not receive full credit for this question in a previous attempt Determine the length d of the jump. (You must provide an answer before moving to the next part.) The length of the jump d , is 130.62 m. References Worksheet Difficulty: Medium Determine the length d of the jump. (You must provide an answer before moving to the next part.) The length of the jump d , is 130.6 ± 5% m. Explanation:

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4/1/23, 7:36 PM Assignment Print View https://ezto.mheducation.com/api/caa/activity/C15Print?jwt=eyJhbGciOiJSUzI1NiJ9.eyJlbnZpcm9ubWVudCI6InByb2QiLCJpc3MiOiJlenQiLCJwcmlud… 7/21 5. Award: 7.69 out of 7.69 points You did not receive full credit for this question in a previous attempt Determine the maximum vertical distance between the jumper and the landing hill. The maximum vertical distance between the jumper and the landing hill is 16.33 m. References Worksheet Difficulty: Medium Determine the maximum vertical distance between the jumper and the landing hill. The maximum vertical distance between the jumper and the landing hill is 16.33 ± 5% m. Explanation: The maximum vertical distance between the jumper and the landing hill is calculated as

4/1/23, 7:36 PM Assignment Print View https://ezto.mheducation.com/api/caa/activity/C15Print?jwt=eyJhbGciOiJSUzI1NiJ9.eyJlbnZpcm9ubWVudCI6InByb2QiLCJpc3MiOiJlenQiLCJwcmlud… 8/21 NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. In slow pitch softball, the underhand pitch must reach a maximum height of between 1.8 m and 3.7 m above the ground. A pitch is made with an initial velocity v 0 with a magnitude of 13.25 m/s at an angle of 33° with the horizontal. References Section Break Diﬃculty: Medium

4/1/23, 7:36 PM Assignment Print View https://ezto.mheducation.com/api/caa/activity/C15Print?jwt=eyJhbGciOiJSUzI1NiJ9.eyJlbnZpcm9ubWVudCI6InByb2QiLCJpc3MiOiJlenQiLCJwcmlud… 9/21 6. Award: 7.69 out of 7.69 points You received credit for this question in a previous attempt Determine if the pitch meets the maximum height requirement. The maximum height y max is 3.1 m and yes, it meets the pitch requirement . References Worksheet Difficulty: Medium Determine if the pitch meets the maximum height requirement. The maximum height y max is 3.254 ± 5% m and yes, it meets the pitch requirement . Explanation:

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4/1/23, 7:36 PM Assignment Print View https://ezto.mheducation.com/api/caa/activity/C15Print?jwt=eyJhbGciOiJSUzI1NiJ9.eyJlbnZpcm9ubWVudCI6InByb2QiLCJpc3MiOiJlenQiLCJwcmlu… 10/21

4/1/23, 7:36 PM Assignment Print View https://ezto.mheducation.com/api/caa/activity/C15Print?jwt=eyJhbGciOiJSUzI1NiJ9.eyJlbnZpcm9ubWVudCI6InByb2QiLCJpc3MiOiJlenQiLCJwcmlu… 11/21 7. Award: 7.69 out of 7.69 points You did not receive full credit for this question in a previous attempt Determine the height of the ball as it reaches the batter. The height of the ball as it reaches the batter is 1.298 m References Worksheet Difficulty: Medium Determine the height of the ball as it reaches the batter. The height of the ball as it reaches the batter is 1.294 ± 5% m Explanation:

4/1/23, 7:36 PM Assignment Print View https://ezto.mheducation.com/api/caa/activity/C15Print?jwt=eyJhbGciOiJSUzI1NiJ9.eyJlbnZpcm9ubWVudCI6InByb2QiLCJpc3MiOiJlenQiLCJwcmlu… 12/21 NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. The pitcher in a softball game throws a ball with an initial velocity v 0 of 72 km/h at an angle α with the horizontal. Given, the height of the ball at point B is 0.68 m. References Section Break Diﬃculty: Medium

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4/1/23, 7:36 PM Assignment Print View https://ezto.mheducation.com/api/caa/activity/C15Print?jwt=eyJhbGciOiJSUzI1NiJ9.eyJlbnZpcm9ubWVudCI6InByb2QiLCJpc3MiOiJlenQiLCJwcmlu… 13/21 8. Award: 7.69 out of 7.69 points You did not receive full credit for this question in a previous attempt Determine the angle α . (You must provide an answer before moving on to the next part.) The angle α is 10.38 °. References Worksheet Difficulty: Medium Determine the angle α . (You must provide an answer before moving on to the next part.) The angle α is 10.38 ± 5% °. Explanation:

4/1/23, 7:36 PM Assignment Print View https://ezto.mheducation.com/api/caa/activity/C15Print?jwt=eyJhbGciOiJSUzI1NiJ9.eyJlbnZpcm9ubWVudCI6InByb2QiLCJpc3MiOiJlenQiLCJwcmlu… 14/21

4/1/23, 7:36 PM Assignment Print View https://ezto.mheducation.com/api/caa/activity/C15Print?jwt=eyJhbGciOiJSUzI1NiJ9.eyJlbnZpcm9ubWVudCI6InByb2QiLCJpc3MiOiJlenQiLCJwcmlu… 15/21 9. Award: 7.69 out of 7.69 points You did not receive full credit for this question in a previous attempt Determine the angle θ that the velocity of the ball at point B forms with the horizontal. The angle θ that the velocity of the ball at point B forms with the horizontal is 9.74 °. References Worksheet Difficulty: Medium Determine the angle θ that the velocity of the ball at point B forms with the horizontal. The angle θ that the velocity of the ball at point B forms with the horizontal is 9.74 ± 5% °. Explanation:

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4/1/23, 7:36 PM Assignment Print View https://ezto.mheducation.com/api/caa/activity/C15Print?jwt=eyJhbGciOiJSUzI1NiJ9.eyJlbnZpcm9ubWVudCI6InByb2QiLCJpc3MiOiJlenQiLCJwcmlu… 16/21 10. Award: 7.69 out of 7.69 points You did not receive full credit for this question in a previous attempt Determine the normal component of the acceleration of a car traveling at 83 km/h on an exit ramp of radius ρ = 150 m. The normal component of acceleration is 3.54 m/s 2 . References Worksheet Difficulty: Medium Determine the normal component of the acceleration of a car traveling at 83 km/h on an exit ramp of radius ρ = 150 m.

4/1/23, 7:36 PM Assignment Print View https://ezto.mheducation.com/api/caa/activity/C15Print?jwt=eyJhbGciOiJSUzI1NiJ9.eyJlbnZpcm9ubWVudCI6InByb2QiLCJpc3MiOiJlenQiLCJwcmlu… 18/21 11. Award: 7.69 out of 7.69 points You did not receive full credit for this question in a previous attempt Determine the maximum speed that the cars of the roller-coaster can reach along the circular portion AB of the track if ρ is 26 m and the normal component of their acceleration cannot exceed 3 g . The maximum speed that the cars of the roller-coaster can reach is 99.6 km/h. References Worksheet Difficulty: Medium Determine the maximum speed that the cars of the roller-coaster can reach along the circular portion AB of the track if ρ is 26 m and the normal component of their acceleration cannot exceed 3 g .

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4/1/23, 7:36 PM Assignment Print View https://ezto.mheducation.com/api/caa/activity/C15Print?jwt=eyJhbGciOiJSUzI1NiJ9.eyJlbnZpcm9ubWVudCI6InByb2QiLCJpc3MiOiJlenQiLCJwcmlu… 19/21 The maximum speed that the cars of the roller-coaster can reach is 99.6 ± 5% km/h. Explanation: NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. A motorist starts from rest at Point A on a circular entrance ramp when t = 0, increases the speed of her automobile at a constant rate and enters the highway at Point B . Her speed continues to increase at the same rate until it reaches 60 km/h at Point C . References Section Break Diﬃculty: Medium

4/1/23, 7:36 PM Assignment Print View https://ezto.mheducation.com/api/caa/activity/C15Print?jwt=eyJhbGciOiJSUzI1NiJ9.eyJlbnZpcm9ubWVudCI6InByb2QiLCJpc3MiOiJlenQiLCJwcmlu… 20/21 12. Award: 7.69 out of 7.69 points You did not receive full credit for this question in a previous attempt Determine the speed at Point B . (You must provide an answer before moving on to the next part.) The speed at Point B is 50.3 km/h. References Worksheet Difficulty: Medium Determine the speed at Point B . (You must provide an answer before moving on to the next part.) The speed at Point B is 50.3 ± 5% km/h. Explanation:

4/1/23, 7:36 PM Assignment Print View https://ezto.mheducation.com/api/caa/activity/C15Print?jwt=eyJhbGciOiJSUzI1NiJ9.eyJlbnZpcm9ubWVudCI6InByb2QiLCJpc3MiOiJlenQiLCJwcmlu… 21/21 13. Award: 7.72 out of 7.72 points You did not receive full credit for this question in a previous attempt Determine the magnitude of the total acceleration when t = 20 s. The magnitude of the total acceleration is 0.62 m/s 2 . References Worksheet Difficulty: Medium Determine the magnitude of the total acceleration when t = 20 s. The magnitude of the total acceleration is 0.62 ± 5% m/s 2 . Explanation: s,

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HW8

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