6. For the following system of objects find out the acceleration and tension. M₁ = 3.0kg m₂ = 1.0kg m MK = 0.5 M2 £60° 30° m2=2.019 MK = 0.3 a=> m₁ = 2.0kg a = ? T= 7 1
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- 1. If the body starts from rest at A and slides 200 ft down the 30° incline, how far will it then move along the other incline? What will be the velocity when it returns to B? Coeff fr= 0.20. A 100 lb 30° 3 200' S2. Force vectors are given by equations F1 = 5i + 7j - 6k (kN) and F2 = -10k (kN). What is the direction of the resultant measured from the positive x-axis? Express your answer in unit of degrees.e = 0, + wot +at? S = Or w = wo + at v = wr w? = w; + 2a(0 – 0.) atan = ar, a. %3D Tcom - (m,F + m2; + mz73 + .·) 1= E¡m;r? Mtotal An ultracentrifuge accelerates from rest to 9.93 x 10° rpm in 1.87 min. What is its angular acceleration in radians per second squared? angular acceleration: rad/s? What is the tangential acceleration of a point 8.90 cm from the axis of rotation? tangential acceleration: m/s? What is the radial acceleration in meters per second squared and in multiples of g of this point at full revolutions per minute? radial acceleration: m/s? radial acceleration in multiples of g:
- 1. Compute the resultant force and its direction for the two forces shown in Fig. Q1. Z |F₁ = 300N 45° X 60° 120% 45° Fig. Q1 60° |F₂| = 500N y4. The position of an object in three dimensions as a function of time is given by Ť = (at? + bt)î + ct²} + dk Where i, j and k are the unit vectors in the x, y and z directions respectively. The parameters take the following values: a = 2.36 m/s? b = - 1.21 m/s c = 5.82 m/s? d = - 4.48 m a) What is the speed of the object at times t= 2.66s? b) Find the time when the instantaneous acceleration a and the instantaneous velocity v vectors are orthogonal.1. If the body starts from rest at A and slides 200 ft down the 30° incline, how far will it then move along the other incline? What will be the velocity when it returns to B? Coeff fr= 0.20. A с 100 lb 200' 30° B A 3 S
- PROBLEM 15 18. A crate slides down an inclined plane without friction. If it is released from rest and reaches a speed of 6 m/s after sliding a distance of 2.5 m, what is the angle of inclination of the plane with respect to the horizontal? a. 43.22° b. 41.22° c. 45.22° d. 47.22°Q5. Rewrite these vectors to fix the notation errors: d = 4.2 [W] km т v = 11.2–(E) S m à = [down] 4.7 I3:34 PM | 0.0KB/s L O M 48 A bartleby.com = bartleby Q&A Engineering / Mechanical Engineeri... / Q&A Library / T... The Ferris wheel is rotating with a const... The Ferris wheel is rotating with a constant angular velocity w. What is the direction of the acceleration of point A? a. → b. ↑ C. v d. < e. The acceleration is zero.
- The Moon's mass is 7.35 1022 kg, and it moves in a nearly circular orbit with radius 3.84 108 m. The period of its motion is 27.3 days. Use this, information to determine the Moon's (a) orbital speed and (b) its acceleration.2. Consider the vectors shown. Which is correct statement about A + B? В (15.0 m) A. x-component > 0, y-component > 0 D (10.0 m) 30.0° B. x-component > 0, y-component 0 25.0° D. x-component 0 C (12.0 m) A (8.00 m)4. 1 2. Three ants, A, B, and C, travel along the paths shown in the Figure. All uhe ants start at 1 and finish at 2. A. Arrange the distance travelled by A, B, and C from highest to lowest. B. Arrange the magnitude of the displacement of A, B, and C from highest to lowest. 65 A 1. A truck moves 20.0 km north, then 30.0 km in the direction 30° east of ng then 40.0 km west. Determine the following: A. Total distance traveled by the truck B. Displacement vector of the truck