2/72 With what minimum horizontal velocity u can a boy throw a rock at A and have it just clear the obstruc- tion at B? 40 m u B 26 m 16 m
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- Q2 -1- For the mechanism shown determine for all moving points. A -The number of degrees of freedom. B-Velocity diagram. C- Acceleration diagram. D-The number of instantaneous center. (45°) AB=40mm, BC=120mm, w=12rad/s., ø= 1orod/s AB = 2 50mmnRequired information NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. A 75-g ball is projected from a height of h1 = 2.7 m with a horizontal velocity of 2 m/s and bounces from a 400-g smooth plate supported by springs. The height of the rebound is h2 = 0.3 m. 2 m/s 75 g hi h2You pull on a string with a horizontal force of magnitude F = 59 N that is attached to a block of mass m = 6.3 kg, then to the axle of a solid cylinder of mass mc = 5.9 kg and radius r = 0.4 m, then to a spring of spring constant k = 145 N/m. This is all done on an inclined plane where there is friction (μ = 0.63 and μ = 0.36), and the incline angle is 0 = 28 degrees. Everything starts at rest, and the spring is unstretched. The block slides down the plane, the cylinder rolls down the plane (without slipping), and the spring stretches. k bllllllll b 0 Fyb
- Use 3 decimal places The 250-N block rests upon a level plane for which fk = 0.2. It is pulled by force P = 100N inclined at 20o with the horizontal. 1. If the 100-N pull is then removed, find the distance the block will travel. 2. Find the velocity of the block after it moves 20m starting from rest.Determine the velocity of Block B in the figure if Block A has a downward velocity of 2.5 m/s.y1 = 3 my2 = 3.2 mb = 2.75 m a. 2.764 m/s upwards b. 2.764 m/s downwards c. 2.844 m/s upwards d. 2.844 m/s downwardsFind the angular velocity of the gear and the velocity of A at the instant shown. 2 ft/s w vvvwvww 0.75 ft 1.50 ft 2 ft/s
- The velocity of A is 1.7 m/s downward, the velocity of B is 2.6 m/s upward, and the velocity of D is 3.1 m/s downward. Find the velocity of C. The velocity of C is positive if downward, negative if upward. D B Answer: vc= i C ! m/sQ5-A) A rope pulls the block up the ramp as shown in the figure. Find the following: 1. Draw a free body diagram for the block. a = 4.3 m/s? T = 2. Write the equation that sums the forces on the block that are parallel to the ramp. 3. Write the equation that sums the forces on the block that are perpendicular to the ramp. 4. What is the acceleration of the block perpendicular to the ramp? 5. What is the friction force? k = 0.45 6.0 kg 0= 30° 6. What is the tension force?What is the component of velocity perpendicular to the wall after impact if e = 0.8 and velocity before impact has a magnitude of 50m/s? a. -24m b. 24m с. 50 d. 40 3. 4.
- Use 3 decimal places. A body weighing 2,225N is being dragged along a rough horizontal plane by a pull of 445N directed at 18o from the horizontal. If fk = 1/12, find the velocity required from rest in the first 3.650m.Use 3 decimal places The 250-N block rests upon a level plane for which fk = 0.2. It is pulled by force P = 100N inclined at 20o with the horizontal. 1. Find the velocity of the block after it moves 20m starting from rest. 2. If the 100-N pull is then removed, find the distance the block will travel.QI/ 12-218. Two planes, A and B, are flying at the same altitude. If their velocities are v, = 500 km/h and vg = 700 km/h such that the angle between their straight- line courses is 0 = 60°, determine the velocity of plane B with respect to plane A. V = 500 km/h vg = 700 km/h. B Please solve it without explanation and just write the words. Solution Please mention my name on (Murtada Ali Qassem) paper. Thank you, Doctor