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- Please answer all subpart either dislike is ready.. please..Part A A cannon tilted up at a 29.0 ° angle fires a cannon ball at 68.0 m/s from atop a 10.0 m -high fortress wall. What is the ball's impact speed on the ground below? ΑΣφ ? Vf = m/s Submit Previous Answers Request AnswerHow can find g? And what does it mean to compare my results to the actual value of 9.80 m/sec2
- Box-Dog (who has a mass m) is going down a frictionless hill at a constant speed. Select all of the following equations that correctly describe Box-Dog’s motion. More than one answer may be possible; select allthat apply.A. Fdog + mgcos(theta) - Ft cos(phi) = 0B. Fdog + mgsin(theta) - Ft sin(phi) = 0C. Fdog + mgsin(theta) - Ft cos(phi) = 0D. FN + Ft cos(phi) - mgcos(theta) = 0E. FN + Ft sin(phi) - mgcos(theta) = 0F. FN + Ft sin(phi) - mgsin(theta) = 0Solve the separable equation.In the following, you will solve two variations of this problem. In both variations, we will assume that the ant is walking on a paper that rests on a table, and then suddenly the sheet of paper starts moving. Make sure to model your work based upon what is provided here. Namely, make sure that you include a description of your coordinate system, that you represent any velocity vectors in terms of components, and that any velocity vectors. you relate (a) In the first variation, we want to find the velocity vector for the ant relative to the paper that would result in the ant traveling due east at 2 miles per hour relative to the table. The paper is still going to move due southeast at v2 mi/hr.
- 1.1 Let's say a cart's position is given by x(t) at3 – Bt. (1) - Assume the constants, a and B, are positive. (a) What must be the general type of unit (like length, mass, time, and combinations of these) for each of the constants, a and B? (b) Draw, by hand, a sketch of the two functions at and –ßt for t > 0. Add the two curves graphically to get a final sketch of x(t). (c) Calculate the cart's velocity vr and acceleration ar. (d) Find an expression for the time t = to at which the cart is momentarily at rest. Check: If a and B had the values 1 and 27, respectively (in the correct SI units), you would find t = 3 s. (e) Give the expression for the cart's position x(to) at the time t = to. Always simplify your answer, - and confirm that the units are correct.Problem 6.38 6 of 6 Constants A 56-kg trampoline artist jumps upward from the top of a platform with a vertical speed of 4.7 m/s . Part A How fast is he going as he lands on the trampoline, 2 m below?(Figure 1) Express your answer to two significant figures and include the appropriate units. HẢ ? Value Units V = Submit Request Answer Part B Figure 1 of 1 If the trampoline behaves like a spring of spring constant 6.1x104 N/m, how far does he depress it? Express your answer to two significant figures and include the appropriate units. ? Y = Value Units 2.0 m Submit Request Answer < Return to Assignment Provide Feedback