An 90.0 kg spacewalking astronaut pushes off a 660 kg satellite, exerting a 100 N force for the 0.490 s it takes him to straighten his arms. Part A How far apart are the astronaut and the satellite 1.50 min after the push begins? Express your answer with the appropriate units. ► View Available Hint(s) d= μA Value Units ?
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- When serving a tennis ball, the player hits it when its velocity is zero (at the highest point of a vertical toss). The racket exerts a force of 530 N on the ball for 5.00 ms, giving it a final velocity of 44.0 m/s. Using these data, find the mass of the ball. g Additional Materials I ReadingAn 80.0 kg spacewalking astronaut pushes off a 660 kg satellite, exerting a 120 N force for the 0.580 s it takes him to straighten his arms. Part A How far apart are the astronaut and the satellite 1.10 min after the push begins? Express your answer with the appropriate units. d=Part A A block lies on a plane raised an angle e fram the horizantal. Three forces act upon the block: Fw, the force of gravity. Fn. the narmal force; and Fr. the force of friction. The coefficient of friction is large enaugh to prevent the block from sliding (Figure 1). Consider coordinate system a, with the x axis along e plane. Which forces lie along the axes? O Ée arly O F, anly O F. only O ři and F. O ř and F. O řa and F. O ř and řa and ř. Submit Requect Ancwor Part B Which forces lie along the axes af the coordinate system b, in which the y axis is vertical? O F anly O F. anly O F. only O F and P, O ř and F. O F, and F. O řr and Fa and Ě, Submit Request Answer Usually the best advice is to choose a coordinate system so that the acceleration of the system is directly along one of the coordinate axes. If the system isn't accelerating, then you are better off choosing the coordinate system with the most vectors along the coordinate axes. But now you are gaing to ignore that advice.…
- Part A Find the magnitude of the force needed to accelerate a 300 g mass with a -0.235 m/s2 i+0.390 m/s2 j. Express your answer to two significant figures and include the appropriate units. ? Value Units F = Request Answer Submit Part B Find the direction of this force Express your answer to two significant figures and include the appropriate units. ? Value Units Request Answer SubmitPart A Find the magnitude of the force the Sun exerts on Neptune. Assume the mass of the Sun is 2.0x1030 kg, the mass of Neptune is 1.02x1026 kg, and the orbit is 4.50x10° km. Express your answer with the appropriate units. HÀ F = Value Units Submit Request Answer Ne Provide Feedback 4 MacBook F7How do I know if this object can remain at rest? Please explain step-by-step.
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- Blocks with masses of 3.0 kg, 4.0 kg, and 5.0 kg are lined up in a row on a frictionless table. All three are pushed forward by a 15 N force applied to the 3.0 kg block. Part A How much force does the 4.0 kg block exert on the 5.0 kg block? Express your answer with the appropriate units. HA F4.0 on 5.0 = Value Units Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining Part B How much force does the 4.0 kg block exert on the 3.0 kg block? Express your answer with the appropriate units. HA F4.0 on 3.0 = Value UnitsA 1800 kgkg car starts from rest and drives around a flat 50-mm-diameter circular track. The forward force provided by the car's drive wheels is a constant 1000 NN . Part A What is the magnitude of the car's acceleration at t=13st=13s? Express your answer to two significant figures and include the appropriate units. aa =