Far in space, where gravity is negligible, a 435 kg rocket traveling at 55.0 m/s fires its engines. The figure (Figure 1) shows the thrust force as a function of time. The mass lost by the rocket during these 30 s is negligible. v Correct Part C What is the maximum speed of the rocket? Express your answer to three significant figures and include the appropriate units. igure < 1 of 1 > > View Available Hint(s) F, (N) TH HẢ ? 1000 - Value Units Submit -t (s) 30 10 20 Provide Feedback

The motion of jumping insects is of interest not only to biologists, but also to those who design robots. (Figure 1) shows the speed-versus-time graph for two different takeoff jumps of a 19-mg green leafhopper, as determined from high-speed videos. Part A What is the magnitude of the average net force acting on the leafhopper's body during jump 1? Express your answer to two significant figures and include the appropriate units. F = Value Units Submit Request Answer Part B What is the ratio of the force found in part A to the leafhopper's weight? Express your answer to two significant figures and include the appropriate units. ? F mg Figure Submit Request Answer • Part C 0.8 Is the average force during jump 2 greater than, less than, or equal to the average force during jump 1? 0.6 O greater than 0.4 less than O equal to 0.2 - Jump 1 - Jump 2 Submit Request Answer 6. Time (ms) Speed (m/s)

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A 2.0 kg object is moving to the right with speed of 1.0 m/s when it experiences the force shown in the figure. (Figure 1) Figure F, (N) 2 0 -2 1.0 s < 1 of 1 t(s) Part A What are the object's speed and direction after the force ends? Express your answer with the appropriate units. Enter positive value if the speed is directed to the right and negative value if the speed is directed to the left. U = Submit HA h Value Provide Feedback Request Answer → Units Revi [ywa ?

Part A A small car collides with a large truck. Is the magnitude of the force experienced by the car greater than, less than, or equal to the magnitude of the force experienced by the truck? O equal to less than O greater than Submit Request Answer Part B Choose the best explanation from among the following: O The truck has more mass, and hence the force exerted on it is greater. O The massive truck exerts a greater force on the lightweight car. O Action-reaction forces always have equal magnitude. Submit Request Answer

The 20-g bullet is travelling at 400 m/s when it becomes embedded in the 2-kg stationary block. The coefficient of kinetic friction between the block and the plane is μ = 0.4. (Figure 1) Figure 400 m/s - 1 of 1 Part A Determine the distance the block will slide before it stops. Express your answer to three significant figures and include the appropriate units. S = Value Submit Provide Feedback Request Answer Units ?

I need help with number 2 please and round all numbers to three significant digits please

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A 4.0 × 10¹ kg spaceship is at rest in deep space. Its thrusters provide a force of 1200 kN. The spaceship fires its thrusters for 20 s, then coasts for 17 km. Part A How long does it take the spaceship to coast this distance? Express your answer with the appropriate units. I

part b and c please