The Expert TA | Human-like Grad X + rtta.com/Common/TakeTutorialAssignment.aspx Q (8%) Problem 9: An object of mass m has these three forces acting on it (there is no normal force because it is not in contact with a surface). F1, F2, and F3 are shown in the figure. upwards. When answering the questions below, assume the x-direction is to the right, and the y-direction is straight F , F ted Otheexpertta.com eted eted A 25% Part (a) Write a symbolic expression for the net force in component form. Give your answer in terms of the F1, F2, F3, and the unit vectors i and j eted Fnet = Grade Summary leted Deductions 0% leted Potential 100% leted a B () 7 8 9 HOME Submissions al 4 5 6 Attempts remaining: 999 0% per attempt) d F1 1 2 3 detailed view al F 2 F3 g 0 P VO CLEAR Submit Hint I give up ! Hints: 0% deduction per hint. Hints remaining: ] Feedback: 0% deduction per feedback. mpleted A 25% Part (b) Let F1 = 7N, F2 = 8 N, and F3 = 3 N. Calculate the magnitude of the net force in newtons. 25% Part (c) What is the direction of the net force, expressed as the angle 0, in degrees, that the net force vector makes with respect to the +x-axis? Enter an angle between -180 and +180. 25% Part (d) What is the magnitude a of the acceleration in meters per second squared, if the object has a mass of 9.5 kg? Q Search F9 F10 S 3 5 W E R P S G K B NContent X ita The Expert TA | Human-like Grad X + a.com/Common/TakeTutorialAssignment.aspx Class Management | Help Week4 Begin Date: 6/22/2023 12:01:00 AM -- Due Date: 7/4/2023 11:59:00 PM End Date: 8/10/2023 11:59:00 PM (6%) Problem 11: A body with a mass of 6 kg is undergoing one-dimensional motion. It is subject to a constant force of 45 N, and has an initial speed of 9 m/s. The force is parallel to the initial velocity, both of which are directed in the positive direction along the axis of motion. 50% Part (a) What is the change in velocity in meters per second of the particle between time to = 0 seconds and time t = & seconds? Grade Summary Av =1 m/s Deductions 0% Potential 100% ed ted sin() cos( ) tan() T ( ) 7 8 9 HOME Submissions cotan() asin() acos() E 4 5 6 Attempts remaining: 999 0% per attempt) atan() acotan() sinh( 1 2 3 detailed view cosho tanh() cotanh( Degrees O Radians Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: Feedback: 0% deduction per feedback leted 4 50% Part (b) What is the displacement in meters of the object between time to = 0 seconds and time t = & seconds? Q Search S 5 O P R O GClass Management | Help Week4 Begin Date: 6/22/2023 12:01:00 AM -- Due Date: 7/4/2023 11:59:00 PM End Date: 8/10/2023 11:59:00 PM (4%) Problem 12: The free-body diagram shows the all of the forces acting on an object of mass m = S.69 kg. The three forces have magnitudes F1 = 13.9 N, F2 = 23.2 N, and F3 = 12 N, with directions as indicted in the diagram, where 0 = 28.6 degrees. F. F, F 4 25% Part (a) Write an expression for the x-component of the acceleration in terms of the symbols in the problem statement. ax Grade Summary Deductions 0% Potential 100% cos(a) cos(Q) cos( 0) ( 7 8 9 HOME Submissions sin(a sin(Q (B )US 4 5 6 Attempts remaining: 999 0% per attempt) d 1 2 3 detailed view F1 F3 0 g m n IVO Submit Hint I give up! Hints: 0% deduction per hint. Hints remaining: Feedback: 0% deduction per feedback 4 25% Part (b) Write an expression for the y-component of the acceleration in terms of the symbols in the problem statement. 25% Part (c) What is the magnitude of the acceleration, in m/s? 25% Part (d) What angle, in degrees, does the acceleration make with respect to the positive x-axis? PIO S % 8Class Management | Help Week4 Begin Date: 6/22/2023 12:01:00 AM -- Due Date: 7/4/2023 11:59:00 PM End Date: 8/10/2023 11:59:00 PM (4%) Problem 13: Consider three forces. F1 = (305 N) i .+ (547 N) ; F2 = (-165 N) i + (-662 N) ; Note that the components of F3 are initially unknown, and the net force is zero. 4 50% Part (a) What is the magnitude, in newtons, of F3? F3 = N Pol sin() cos() tan() 7 8 9 HOMES Sul cotan() asin() acos() 4 5 6 atan() acotan( ) sinh() 2 3 det cosh() tanho cotanh() 0 AND Degrees @ Radians NO LEAR Submit I give up! Hints: 0 for a 0% deduction. Hints remaining: 0 Feedback: 14 deduction per feedback. ed 4 50% Part (b) What is the direction of F3? Express your answer as an angle, in degrees, measured clockwise from the negative a axis. ed edClass Management | Help Week4 Begin Date: 6/22/2023 12:01:00 AM -- Due Date: 7/4/2023 11:59:00 PM End Date: 8/10/2023 11:59:00 PM (4%) Problem 14: An SUV drives on a straight-line track. Starting with a speed v -24.1 m/s, it comes to rest over a distance d =44.3 m. ted ted ted 4 50% Part (a) Write an expression for the magnitude of the net force on a passenger with mass m. ted Fnet = eted leted leted B Y 7 8 9 HOME b c d 4 5 6 g h 2 3 k m n 0 END P S V | VOI Submit Hint I give up! Hints: 0% deduction per hint. Hints remaining: 1 Feedback: 0Vo deduction per feedback pleted 4 50% Part (b) If m =57.6 kg, then what is the numeric value, in newtons, for the net force in part (a)? pleted pleted