ow much force will you have to apply to a shopping cart rolling at 220.5 N (m=75 kg) after it starts moving to get it to accelerate at 5.0 m/s2? µs=0.42 and µk=0.30
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how much force will you have to apply to a shopping cart rolling at 220.5 N (m=75 kg) after it starts moving to get it to accelerate at 5.0 m/s2?
µs=0.42 and µk=0.30
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- The figure shows three blocks attached by cords that loop over frictionless pulleys. Block B lies on a frictionless table; the masses are mA blocks are released, what is the tension in the cord at the right? 6.70 kg, mB 6.20 kg, and mc = 12.0 kg. When the B C Number UnitsLynn is pushing a supply cart down the hallway. The cart has a mass of 39.1 kg. If she pushes the cart with a force of 26.9 N, what will be the cart’s rate of acceleration? 1.72 m/s2 0.688 m/s2 2.14 m/s2 0.515 m/s220. 5 N of force is required to get a 75 kg shopping cart rolling. How much force will you have to apply to the same shopping cart after it starts moving to get it to accelerate at 5.0 m/s2 µs=0.42 and µk=0.30
- Joe pushes down the length of the handle of a 14.1 kg lawn spreader. The handle makes an angle of 47.1° with the horizontal. Joe wishes to accelerate the spreader from rest to 1.39 m/s in 1.7 s. What force must Joe apply to the handle? Answer in units of N.Leo, who has a mass of 72.0 kg, is riding his rollerblades when he collided with the wall. The wall exerted 2895 N of force and brought his body to a stop after 0.370 seconds. What is Leo's velocity before he collided with the wall? 16.9 m/s O 18.9 m/s O 19.4 m/s 14.9 m/sA horizontal force of 5.0 N pushes a 0.50-kg block against a vertical wall. The block is initially at rest. If µ. – 0.60 and 0.50, the acceleration of the block is: Ⓒ4.8 m/s² Ⓒ3.8 m/s² Ⓒ 9.8 m/s² 0.0 m/s² 08.0 m/s2
- Mary applies a force of 78 N to push a box with an acceleration of 0.40 m/s2. When she increases the pushing force to 90 N, the box's acceleration changes to 0.66 m/s?. There is a constant friction force present between the floor and the box. (a) What is the mass of the box in kilograms? kg (b) What is the coefficient of kinetic friction between the floor and the box?Two masses m1=5 Kg and m2=12 Kg are connected with string and pulled with a force F=25 N that makes an angle of 53° with a smooth horizontal surface as shown in the figure. Find the tension in the string in a unit of Newton. F A. 6.258 B. 8.85 m2 m1 0 C. 2213 D. None E. 4.425A student attaches a rope to a 32 kg box, and drags it to the left with constant velocity of 1.08 m/s. The tension in the rope is 235 N at an angle of 48.7° to the ground. How much does the box weigh? 313.92 Find the x and y components of the applied (tension) force: Fx = 155.10 V o N %3D Fy = 176.5 N. %3D How much friction must be present? 155.10 V oN How much Normal force must be present? N. Submit Question