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AR Review questions a D Present rrange Tools Add-ons Help Last edit was 41 minu. Background Layout- Theme Transition A group of students calculated the acceleration of a box moving across the table. They did this by measuring the mass of the box and the force applied, and used the formula F=mxa. Students discovered that the actual acceleration was lower than what they had calculated. What force might account for the slower rate of acceleration compared to what their calculations predicted? Explain your answer. Write your response here: eaker notes

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Course Contents Homework Ch06 Prob0656 problem Timer Notes Evaluate Feedback Print Infa Ignore air friction for the following problem. If you throw a stone upwards with a speed greater than the escape speed, it will continue to move away from Earth forever and never return. The escape speed on Earth is 11.186 km/s. Now consider that you throw a stone directly in the direction of the Moon (it is ok to ignore the rotational motion of the Moon around the Earth). What is the minimum speed that you need to give the stone so that it makes it to the Moon? It is recommended to carefully think about this problem and then use energy conservation to find a solution. Even for the minimum speed the stone will have a large velocity when it reaches the Moon. You can use the following data: mass of Earth is 5.972 x104 kg, mass of the Moon is 7.348 x1022 kg, distance Earth-to-Moon is 384.4 x10 m, radius of Earth is 6.371 x10 m. The solution requires at least 4 correct digits 11066 m/s Submit Answer…

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inspire Physics PRACTICE Problems ADDITIONAL PRACTICE 20. On Earth, a scale shows that you weigh 585 N. a. What is your mass? b. What would the scale read on the Moon (g = 1.60 N/kg) 21. CHALLENGE Use the results from Example Problem 3 to ar would be exerted by the scale on a person in the following s a. The elevator moves upward at constant speed. b. It slows at 2.0 m/s² while moving downward. c. It speeds up at 2.0 m/s² while moving downward. d. It moves downward at constant speed. In what direction is the net force as the elevator slows

dashboard A student is doing a lab in which she wants 4.9kg cart to roll down an incline with an acceleration of 5.2m/s2. Neglect any friction and drag impeding the motion. manivan How many forces will be acting on the cart? Will all forces on the cart be balanced? What will the net force on the cart be? unit At what angle (0) does the incline need to be set? unit cannot be determined check answers s, complete problems 2 anline Calculator Vsound 343m/s nificant figures ACC

Rope Swing You want to go on a rope swing but you are concerned that the rope (which is 19 m long) might break. The rope is rated for 3648 N. You have determined that at the lowest point of the swing you will be going 20 m/s. Assume your mass is 114 kg. Part 1 of 2 Determine how much tension will be in the rope at the lowest point. Express your answer with the appropriate mks units.

Need help with Physics problem quick please. As a roller coaster car crosses the top of a 40m diameter loop-the-loop its apparent weight is the same as its true weight. What is the car’s speed at the top

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B. Exercises for Skill Subjects/Analysis Questions Using HOTS for Content Subjects Exercise 1: Calculate me! A 100-gram ball m1, and a 200-gram ball m2, connected by a rod with a length of 60 cm. the mass of the rod is ignored. The axis or rotation is located at the center of the rod. What is the momentum of inertia of the balls about the axis rotation? Illustration: A Ace m1 m2 B

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799 @ 50 Done Verification of Newtons Second ... Fall -2020-201 Dr.Baiju Dayanandan University of Nizwa Department of Physics General Physics -I Analysis Questions 1. Qualitatively, what effect did your object's or system's mass have on its acceleration? Support your answer with data. 2. Qualitatively, what was the effect on your object's or system's acceleration as the net force acting on it increased? Support your answer with data. 3. Two different carts are accelerated by a net force. The graph shows their respective accelerations as a function of this net force. What can you conclude about the mass of cart A compared to the mass of cart B? How do you know? Acceleration of two objects 300 100 Force (N) 200 Fall -2020-201 Dr.Baiju Dayanandan

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Hello can you help me solve this problem with complete solution and illustration? *A 40kg boy is sliding on a horizontal and frictionless surface with an initial momentum of 90J due east. When t=0, a force, a function of time, F=8.20t is applied to the boy due west. a) at what value of t will result in the momentum of the boy 60J due west? b) what is the acceleration of the boy at the time computed in letter a?

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Lost in Space AgainContextYou are an engineer at NASA's Johnson Space Center, in charge of assisting astronauts aboard a spacecraft in orbit. You need to program a model to determine how long the ship's two secondary engines need to fire to increase its speed by a certain amount. Constraints The mass of the ship is known.The initial velocity is unknown.The desired speed increase delta V is known.Both motors are similar and exert a known force. They are located on either side of the ship and each generates a force matched to a (known) angle theta to the direction of the ship. Modelization Models the ignition time required for the ship to increase its speed by delta V given the known parameters. Then test your model with the following parameters: Shuttle mass: 1912500 kg; Strength of each motor: 4800000 N; The orientation angle of the motors: 15 degrees; Desired speed increase: 530 km/h.

Apcar Leaming earning.com/public/activity/5000001/assessment room Google Docs A aeries L Pretest: Unit 5 81 m Apex Leaming - Courses A. 40 m/s ← PREVIOUS Google Slides music Question 5 of 32 A roller coaster car is released from rest as shown in the image below. If friction is neglected, the car will oscillate back and forth across the "dip" in the roller coaster. What is the approximate velocity of the roller coaster car each time it reaches the bottom of the roller coaster in the image? (Recall that g = 9.8 m/s².) chstv mhbo library bell schedule u ba