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1 Review A 58-kg woman and a 80-kg man stand 13 m apart on frictionless ice....
NEED ASAP question b A 200-kg beam 2.5 m in length slides broadside down the ice with a speed of 18 m/s A 65-kg man at...
NEED ASAP
question b
A 200-kg beam 2.5 m in length slides broadside down the ice with a speed of 18 m/s A 65-kg man at rest grabs one end as it goes past and hangs on as both he and the beam go spinning down the ice. Assume frictionless motion. (Figure 1) Part A How fast does the center of mass of the system move after the collision? Express your answer using two significant figures. v= 14 m/s Submit...
Problem 9.08 Part A The two trees in (Fioure 1) are 7.2 m apart. A backpacker...
Problem 9.08 Part A The two trees in (Fioure 1) are 7.2 m apart. A backpacker is trying to lift his 17-kg backpack out of the reach of bears. Calculate the magnitude of the force F that he must exert downward to hold the backpack so tnat the rope sags at its midpoint by 1.5 m Express your answer to two significant figures and include the appropriate units. F-Value Units Submit My Answers Give Up Part B Calculate the magnitude...
Review Constants 1 Periodic Table A 72 -kg person is accidentally exposed for 234 s to...
Review Constants 1 Periodic Table A 72 -kg person is accidentally exposed for 234 s to a 17 –mCi source of beta radiation coming from a sample of Sr. Part A What is the activity of the radiation source in disintegrations per second? Express your answer using two significant figures. IVO A O ? disintegrations per second Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part B What is the activity of the radiation source in...
Review Part A At the center of a 50 m diameter circular ice rink, a 77...
Review Part A At the center of a 50 m diameter circular ice rink, a 77 kg skater traveling north at 2.5 m/s collides with and holds onto a 66 kg skater who had been heading west at 3.9 m/s How long lit take them to glide to the edge of the rink? Express your answer using two significant figures. Submit Request Answer Part B Where will they reach it? Give your answer as an angle north of west. Express...
A 240-kg beam 2.2 m in length slides broadside down the ice with a speed of...
A 240-kg beam 2.2 m in length slides broadside down the ice with a speed of 21 m/s. A 60-kg man at rest grabs one end as it goes past and hangs on as both he and the beam go spinning down the ice. Assume frictionless motion. (Figure 1) Part B With what angular velocity does the system rotate about its cm? Express your answer using two significant figures. VALD © 2) ? w= 9.5 W = rad/s Submit Previous...
Review Part A An athlete at the gym holds a 35 kg seball in his hand....
Review Part A An athlete at the gym holds a 35 kg seball in his hand. His armis 80 cm long and has a mass of 4,5 kg. Assume the Center of mass of the arms at the geometrical center of the "What is the magnitude of the treabouts shoulder due to the weight of the ball and his arm if he holds his arms out to his side, paralel Express your answer to two significant figures and include the...
PHY116 HW5-CH5 Problem 5.47 Constants You know your mass is 67 kg, but when you stand...
PHY116 HW5-CH5 Problem 5.47 Constants You know your mass is 67 kg, but when you stand on a bathroom scale in an elevator, it says your mass is 95 kg ▼ Part A What is the acceleration of the elevator? Express your answer using three significant figures and include the appropriate units Value Units Submit Request Answer Part B In which direction is the acceleration of the elevator? Upward Previous Answers
Review I Constants l Periodic Table PartA Tarzan, who has a mass of 75 kg, holds...
Review I Constants l Periodic Table PartA Tarzan, who has a mass of 75 kg, holds onto the end of a vine that is at a 11° angle from the vertical. He steps off his branch and, just at the bottom of his swing, he grabs onto his chimp friend Cheetah, whose mass is 35 kg What is the maximum angle the rope reaches as Tarzan swings to the other side? Express your answer in degrees. Submit Previous Answers Request...
A 7.50 m ladder has mass 10.0 kg and is leaning against a frictionless wall, making...
A 7.50 m ladder has mass 10.0 kg and is leaning against a frictionless wall, making a 54° angle with the horizontal. The coefficient of friction between the ladder and ground is 0.42 Part A To what vertical height could a 95.0 kg person reach before the ladder starts to slip? Express your answer using two significant figures. O AJ O O ? Submit Previous Answers Request Answer * Incorrect; Try Again; 3 attempts remaining
Problem 9.34 8 of 11 An 8.2 kg crate is pulled 5.5 m up a 30...
Problem 9.34 8 of 11 An 8.2 kg crate is pulled 5.5 m up a 30 incline by a rope angled 16° above the incline. The tension in the rope is 140 N and the crate's coefficient of kinetic friction on the incline is 0.25 Part A How much work is done by tension, by gravity, and by the normal force? Express your answers using two significant figures. Enter your answers numerically separated by commas Wr, W, W,- 666.84,-220.99, 0...
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question b
A 200-kg beam 2.5 m in length slides broadside down the ice with a speed of 18 m/s A 65-kg man at rest grabs one end as it goes past and hangs on as both he and the beam go spinning down the ice. Assume frictionless motion. (Figure 1) Part A How fast does the center of mass of the system move after the collision? Express your answer using two significant figures. v= 14 m/s Submit...
Problem 9.08 Part A The two trees in (Fioure 1) are 7.2 m apart. A backpacker is trying to lift his 17-kg backpack out of the reach of bears. Calculate the magnitude of the force F that he must exert downward to hold the backpack so tnat the rope sags at its midpoint by 1.5 m Express your answer to two significant figures and include the appropriate units. F-Value Units Submit My Answers Give Up Part B Calculate the magnitude...
Review Constants 1 Periodic Table A 72 -kg person is accidentally exposed for 234 s to a 17 –mCi source of beta radiation coming from a sample of Sr. Part A What is the activity of the radiation source in disintegrations per second? Express your answer using two significant figures. IVO A O ? disintegrations per second Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part B What is the activity of the radiation source in...
Review Part A At the center of a 50 m diameter circular ice rink, a 77 kg skater traveling north at 2.5 m/s collides with and holds onto a 66 kg skater who had been heading west at 3.9 m/s How long lit take them to glide to the edge of the rink? Express your answer using two significant figures. Submit Request Answer Part B Where will they reach it? Give your answer as an angle north of west. Express...
A 240-kg beam 2.2 m in length slides broadside down the ice with a speed of 21 m/s. A 60-kg man at rest grabs one end as it goes past and hangs on as both he and the beam go spinning down the ice. Assume frictionless motion. (Figure 1) Part B With what angular velocity does the system rotate about its cm? Express your answer using two significant figures. VALD © 2) ? w= 9.5 W = rad/s Submit Previous...
Review Part A An athlete at the gym holds a 35 kg seball in his hand. His armis 80 cm long and has a mass of 4,5 kg. Assume the Center of mass of the arms at the geometrical center of the "What is the magnitude of the treabouts shoulder due to the weight of the ball and his arm if he holds his arms out to his side, paralel Express your answer to two significant figures and include the...
PHY116 HW5-CH5 Problem 5.47 Constants You know your mass is 67 kg, but when you stand on a bathroom scale in an elevator, it says your mass is 95 kg ▼ Part A What is the acceleration of the elevator? Express your answer using three significant figures and include the appropriate units Value Units Submit Request Answer Part B In which direction is the acceleration of the elevator? Upward Previous Answers
Review I Constants l Periodic Table PartA Tarzan, who has a mass of 75 kg, holds onto the end of a vine that is at a 11° angle from the vertical. He steps off his branch and, just at the bottom of his swing, he grabs onto his chimp friend Cheetah, whose mass is 35 kg What is the maximum angle the rope reaches as Tarzan swings to the other side? Express your answer in degrees. Submit Previous Answers Request...
A 7.50 m ladder has mass 10.0 kg and is leaning against a frictionless wall, making a 54° angle with the horizontal. The coefficient of friction between the ladder and ground is 0.42 Part A To what vertical height could a 95.0 kg person reach before the ladder starts to slip? Express your answer using two significant figures. O AJ O O ? Submit Previous Answers Request Answer * Incorrect; Try Again; 3 attempts remaining
Problem 9.34 8 of 11 An 8.2 kg crate is pulled 5.5 m up a 30 incline by a rope angled 16° above the incline. The tension in the rope is 140 N and the crate's coefficient of kinetic friction on the incline is 0.25 Part A How much work is done by tension, by gravity, and by the normal force? Express your answers using two significant figures. Enter your answers numerically separated by commas Wr, W, W,- 666.84,-220.99, 0...
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