3. Knight P6.12 A horizontal rope is tied to a 50.0 L box on frictionless ice. What is the tension in the rope if: (a) The box is at rest? (b) The box moves at a steady 4.00 m/s? (c) The box has vx = 4.00 m/s and ax = 5.00 m/s²?
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- ANSWERS MUST BE IN 3 DECIMAL PLACES 1. A 400-N body starts up the incline of 30o with the horizontal (fk = 0.2) with a velocity of 3m/s. How long must a 500-N horizontal force act on the body to increase its velocity to 8m/s? 2.. A 400-N body starts up the incline of 30o with the horizontal (fk = 0.2) with a velocity of 3m/s. How far will the body travel while the force is acting?A 400-N body starts up the incline of 30o with the horizontal (fk = 0.2) with a velocity of 3m/s. a. How long must a 500-N horizontal force act on the body to increase its velocity to 8m/s? b. How far will the body travel while the force is acting?e.co CU ct sona- n ect Pool artment... W 24,919 8. A mass m₁ = 9.00 kg is connected by a light string that passes over a pulley of mass M = 14.0 kg to a mass m₂ = 12.5 kg sliding on a horizontal frictionless surface (see figure). There is no slippage between the string and the pulley. What is the magnitude of the tension that is acting on mass m₂? (The moment of inertia of the pulley is ½/Mr².) N # 3 20 $ 4 R 999 F4 % 5 FS ^ 6 tv © MacBook Air Y & 7 m₂ F7 * 8 Dall 1 ( 9 M m₁ A 02 DD ) 0 P ISULI H by mi 04 M vauies or roe puffer
- A 3192kg car is going up the Amerat hill, at angle 16.8, with 2 people inside the car each of 49kg. The car suspension provides 1444N of lift, and it is accelerating up at 5m/s². The road provides u=o.4. What is the force provided by the engine? If needed, use g=9.81m/s2cs (1) Lab. section 1 rd My courses First Semester 2020/2021 Faculty of Arts and Sciences Physics (1) Lab. section 1 Determine the resultant of two forces if EFx= 40g.wt and EFy=100 g.wt, using method of components Select one: O a. 111.8 g.wt, 63.4° O b. 122.1 g.wt, 55° O c. 107.7 g.wt, 68.2° O d. 116.6 g.wt, 59° O e. 104.4 g.wt, 73.3° page Next pag NEXT ACTIV Jump to.. Physics lab 1 2020-202IA 15.0 N bucket is to be raised at a constant speed of 50.0 cm/s by a rope. According to the information in Table 5.1, how many ki- lograms of cement can be put into this bucket without breaking the rope if it is made of (a) thin white string, (b) in. nylon clothesline, (c) 1 in. manila climbing rope?
- PROBLEM 5.14 Arriving on a newly discovered planet, the captain of a spaceship performed the following experiment to calculate the gravitational acceleration for the planet: She placed masses of 100 g and 200 g on an Atwood device made of massless string and a frictionless pulley and measured that it took 1.5 seconds for each mass to travel 1 m from rest. 16. What is the gravitational acceleration for the planet? c. 2.967 m/s² d. 2.667 m/s² а. 2.867 m/s² b. 2.767 m/s? 17. What is the tension in the string? c. 0.366 N d. 0.376 N a. 0.356 N b. 0.346 ND ALA certain point above Earth's surface, the freefall acceleration is equal to 8.8 m/s2, What is the altitude of this point above Earth's surface? (G= 6.67 x 10-11 N m2/kg2, Mearth5.97 x 1024 kg. Rearth = 6.38 x 106 m)ASAP
- A 400 N body starts up a 30 degree incline (f=D0.2) with a velocity of 3m/s. a. How long must a 500 -N horizontal force act on the body to increase its velocity to 8m/sec? (s) b. How far will the body travel while the force is acting? (m) NOTES ON ANSWERING FOR THIS PROBLEM: 1. ANSWER IN POSITIVE VALUES ONLY 2. ANSWER IN 1 DECIMAL PLACE ONLY (i.e. IF YOUR FINAL ANSWER IS 6.82, INPUT 6.8 IF YOUR FINAL ANSWER IS 19.55 ANSWER 19.6) 400 N 500 N 0.2N 300 N.The net external force on the 25.5kg mower is 48.0N. If the force of friction is 22.5N. a. What force F in newtons is the person exerting on the mower? b.Suppose the mower is moving 1.10 m/s when the force F is removed. How fat will the mower go before stopping?A 70 kg box is resting on a reclining floor. The coefficient of fricion between the floor and the box is: static = 0.30, kinetic = 0.10. If the floor is to be inclined at an angle of 25 deg a. what would be the acceleration of the object along the direction of the inclined floor? b. what would be the vertical displacement of the box after 1.5 seconds? Express your answer in unit of meters. c. what is the total distance travelled by the box after 1.5 seconds? Express your answer in unit of meters.