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y (vertical) ) The ball has moved a new short distance AS-0.0500m along its circular ath...
WK-3. Sopheak is swinging a 0.250kg ball back and forth thru the air on a string...
WK-3. Sopheak is swinging a 0.250kg ball back and forth thru the air on a string of length L-0.850m. y (vertical) a) The ball has moved a short distance AS-0.0500m along its circular path as shown in the figure. 1) Draw on the figure the free body diagram for the ball. 30.0° At this position, the force of the air on the ball is 0.350N and the tension in the string is 1.25N. (horizo 2) Calculate the work done on...
abc123 _okc 875 4. [15 points] The 1-lb ball is guided along the vertical circular path...
abc123 _okc 875 4. [15 points] The 1-lb ball is guided along the vertical circular path r= 2r. cos e (ft) using the arm OA. The arm OA rotates such that 0 = t (rad) where t is the time. Neglect friction and the size of the ball. Assume that gravity g = 32.2 ft/s and r. = 0.25 ft. (a) Draw a Free Body Diagram (FBD) of the ball. (b) The magnitude of the acceleration when 0 - 30°...
. A 2.00kg block is moved from point A (at rest) a distance of 2.00 m...
. A 2.00kg block is moved from point A (at rest) a distance of 2.00 m to point B under the action of a variable force F(x) 10x + 6x2. Once in point B it is moving down 1.00 m through an 60.00 inclined frictionless surface until hit a spring (point C) as shown in figure. (The coefficient of kinetic friction between the block and the surface between A and B is 0.3 and the spring constant equal to 400...
1. As part of a child’s game, a girl swings a ball on the end of...
1. As part of a child’s game, a girl swings a ball on the end of a string in a horizontal circle with constant speed, as shown below. The string is 0.25m long and makes an angle of 35o with the vertical during the game. (a) What is the speed of the ball? (b) During half a revolution, what is the work done by tension and by gravity on the ball? 2. A boy kicks a 3kg box up the...
A 30.0-kg crate is pushed across a rough floor by a horizontal force of 100 N...
A 30.0-kg crate is pushed across a rough floor by a horizontal force of 100 N of kinetic fiction between the crate and the floor is 0.100. If a total of 80.5 1 of work the crate, how far was it moved along the floor? done 21. Find the magnitude of the force ating on a 3.0-kg (assume all units in MKSo-ms cated at -2.0 m inside a potential 22. Which one of the following statements is false? More power...
is attached to a string and rotated in a vertical circle of radius 04 m with constant speed of 12 m/s. Calculate the tension of the bottom of the circle. string at the top and the (b) Moon is rev...
is attached to a string and rotated in a vertical circle of radius 04 m with constant speed of 12 m/s. Calculate the tension of the bottom of the circle. string at the top and the (b) Moon is revolving around the earth once every 28 days. Determine its angular speed in rad/s. O If the distance between earth and the moon is 3.8 x 10 m, determine the mass of the earth. 6. A 0.2 kg ball is sliding...
7. Pug the penguin ride a cart along a track as shown in the figure. The...
7. Pug the penguin ride a cart along a track as shown in the figure. The graph shows the force exerted by Pug to propel the cart from point A to point B as a function of time. Pug is initially at rest at point A. The combined mass of Pug and the cart is 30.0 kg. FIN) 5 10 15 20 25 30 35 40 45 a) Calculate the work done by Pug as he moves from point A...
arrow is going towards a for 16-20 14. A 10-kg object experiences the following four forces:...
arrow is going towards a for 16-20
14. A 10-kg object experiences the following four forces: a 30-N force to the right a 20-N force to the left; a 40-N force upwards; and a 40-N force downwards. There are no other forces. How much work is done by the net force if the object is moved 5 meters to the right? A) 150 J B) 50J CoJ D)-50J C) 0 J D) -50 J E)-150J 15. How much work must...
TR PROBLEMS: Show your 1. A 1800 Kg car moves around a flat circular road of...
TR PROBLEMS: Show your 1. A 1800 Kg car moves around a flat circular road of radius R- 100 m friction available between the tire and the road is 10368 N. Calculate (A) car can have so that it does not get out of the curve (B) the time alLoroblems radius R-100 m. The maximum amount ef (C) the new radius of the bigger circle the car moves on if it moves at a higher s the maxinmum speed the...
As shown in the figure below, a stick of length = 0.395 m and mass m...
As shown in the figure below, a stick of length = 0.395 m and mass m -0.240 kg is in contact with a rough floor at one end and a frictionless bowling ball (diameter d = 15.00 cm) at some other point such that the angle between the stick and the floor is 0 - 30°. Determine the following. 30.0 (a) magnitude of the force exerted on the stick by the bowling ball 1.66 X Since the stick is in...
WK-3. Sopheak is swinging a 0.250kg ball back and forth thru the air on a string of length L-0.850m. y (vertical) a) The ball has moved a short distance AS-0.0500m along its circular path as shown in the figure. 1) Draw on the figure the free body diagram for the ball. 30.0° At this position, the force of the air on the ball is 0.350N and the tension in the string is 1.25N. (horizo 2) Calculate the work done on...
abc123 _okc 875 4. [15 points] The 1-lb ball is guided along the vertical circular path r= 2r. cos e (ft) using the arm OA. The arm OA rotates such that 0 = t (rad) where t is the time. Neglect friction and the size of the ball. Assume that gravity g = 32.2 ft/s and r. = 0.25 ft. (a) Draw a Free Body Diagram (FBD) of the ball. (b) The magnitude of the acceleration when 0 - 30°...
. A 2.00kg block is moved from point A (at rest) a distance of 2.00 m to point B under the action of a variable force F(x) 10x + 6x2. Once in point B it is moving down 1.00 m through an 60.00 inclined frictionless surface until hit a spring (point C) as shown in figure. (The coefficient of kinetic friction between the block and the surface between A and B is 0.3 and the spring constant equal to 400...
A 30.0-kg crate is pushed across a rough floor by a horizontal force of 100 N of kinetic fiction between the crate and the floor is 0.100. If a total of 80.5 1 of work the crate, how far was it moved along the floor? done 21. Find the magnitude of the force ating on a 3.0-kg (assume all units in MKSo-ms cated at -2.0 m inside a potential 22. Which one of the following statements is false? More power...
is attached to a string and rotated in a vertical circle of radius 04 m with constant speed of 12 m/s. Calculate the tension of the bottom of the circle. string at the top and the (b) Moon is revolving around the earth once every 28 days. Determine its angular speed in rad/s. O If the distance between earth and the moon is 3.8 x 10 m, determine the mass of the earth. 6. A 0.2 kg ball is sliding...
7. Pug the penguin ride a cart along a track as shown in the figure. The graph shows the force exerted by Pug to propel the cart from point A to point B as a function of time. Pug is initially at rest at point A. The combined mass of Pug and the cart is 30.0 kg. FIN) 5 10 15 20 25 30 35 40 45 a) Calculate the work done by Pug as he moves from point A...
arrow is going towards a for 16-20
14. A 10-kg object experiences the following four forces: a 30-N force to the right a 20-N force to the left; a 40-N force upwards; and a 40-N force downwards. There are no other forces. How much work is done by the net force if the object is moved 5 meters to the right? A) 150 J B) 50J CoJ D)-50J C) 0 J D) -50 J E)-150J 15. How much work must...
TR PROBLEMS: Show your 1. A 1800 Kg car moves around a flat circular road of radius R- 100 m friction available between the tire and the road is 10368 N. Calculate (A) car can have so that it does not get out of the curve (B) the time alLoroblems radius R-100 m. The maximum amount ef (C) the new radius of the bigger circle the car moves on if it moves at a higher s the maxinmum speed the...
As shown in the figure below, a stick of length = 0.395 m and mass m -0.240 kg is in contact with a rough floor at one end and a frictionless bowling ball (diameter d = 15.00 cm) at some other point such that the angle between the stick and the floor is 0 - 30°. Determine the following. 30.0 (a) magnitude of the force exerted on the stick by the bowling ball 1.66 X Since the stick is in...
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