Suppose that for the couple in the figure below, you were told that the girl's mass was one-half that of the boy's mass. The boy has a velocity of v = 0.61 m/s to the left. What would be the girl's velocity in this case?
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Suppose that for the couple in the figure below, you were told that the girl's mass was one-half that of the boy's mass. The boy has a velocity of v = 0.61 m/s to the left. What would be the girl's velocity in this case? (Consider the ice to be frictionless. Enter the magnitude only.)
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Please note that (+) and (-) signs are used to denote positive and negative directions along the a axis! Don't forget to use the correct sign in your answer. Express your answer in units of m/s using one decimal place. F(N) 5. 4. Þ t(s) 234 5 6The magnitude of the net force exerted in the positive x direction on a 9.2kg particle varies in time as shown in the Figure below. If initially the velocity of the particle is +6m/s along the x axis, determine the final velocity of the particle after the 5.0s interval. Please note that (+) and (−) signs are used to denote positive and negative directions along the x axis! Don't forget to use the correct sign in your answer. Express your answer in units of m/sm/s using one decimal place.Suppose you are navigating a spacecraft far from other objects. The mass of the spacecraft is 3.0 x 104 kg (about 30 tons). The rocket engines are shut off, and you're coasting along with velocity of km/s. As you pass the location km you briefly fire side thruster rockets, so that your spacecraft experiences a net force of N for 18 s ejected gases have a mass that is small compared to the mass of the spacecraft. You then continue coasting with the rocket engines turned off. Where are you an hour later? (Think about approximations or simplifying assumptions you made in your analysis. Also think about the choice of system: what are the surroundings that exert external forces on your system?) mA 0.500 kg hammer is moving horizontally at 6.50 m/s when it strikes a nail and comes to rest after driving the nail 1.00 cm into a board. Assume constant acceleration of the hammer–nail pair. (a) Calculate the duration of the impact (in s). ______s (b) What was the average force (in N) exerted on the nail? (Enter the magnitude.) ______NCan you solve this question quickly please?The magnitude of the net force exerted in the negative x direction on a 9.6kg9.6kg particle varies in time as shown in the Figure below. If initially the velocity of the particle is +4.8m/s+4.8m/s along the x axis, determine the final velocity of the particle after the 5.0s5.0s interval. Please note that (+)(+) and (−)(−) signs are used to denote positive and negative directions along the xx axis! Don't forget to use the correct sign in your answer. Express your answer in units of m/sm/s using one decimal place.Four arrows, all with the same shape and size, are shot directly upward. Ignore the effect of air resistance, but the arrows have different masses and are fired with different speeds. Rank them from highest to lowest in terms of the greatest height that they will reach. (Use only ">" or "=" symbols. 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