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Question 3 1 pts A student slides her 80.0 kg desk across the level floor of...
A person pulls on a 8.7 kg crate as it slides across a level floor using a rope attached to the center of the crate. The floor has a non-zero coefficient of kinetic friction. The crate began with a speed of 1.4 m/s and speeded up to 2.4 m/s while being pulled a horizontal distance of 2.0 meters. If the force exerted by the rope is 20 Newtons, and the rope pulls completely horizontally, what is the work in J...
A person pulls on a 9.4 kg crate as it slides across a level floor using a rope attached to the center of the crate. The floor has a non-zero coefficient of kinetic friction. The crate began with a speed of 1.9 m/s and speeded up to 2.8 m/s while being pulled a horizontal distance of 2.0 meters. If the force exerted by the rope is 20 Newtons, and the rope pulls completely horizontally, what is the work in J...
A person pulls on a 7.8 kg crate as it slides across a level floor using a rope attached to the center of the crate. The floor has a non-zero coefficient of kinetic friction. The crate began with a speed of 1.3 m/s and speeded up to 2.5 m/s while being pulled a horizontal distance of 2.0 meters. If the force exerted by the rope is 20 Newtons, and the rope pulls completely horizontally, what is the work in J...
A person pulls on a 9.3 kg crate as it slides across a level floor with coefficient of kinetic friction 0.5 using a rope attached to the center of the crate. The crate began with a speed of 1.6 m/s and speeded up to 2.7 m/s while being pulled a horizontal distance of 2.0 meters. What is the net change in the kinetic energy in J of this crate during that period?
O False O Cannot be said Needs more information QUESTION 6 Determine the scalar product of A=6 i +4; -2 k and B=57-6; -3 k. 30 i + 24 j +6k 30 i - 24j+6k 12 60 QUESTION 7 A student slides her 80.0-kg desk across the level floor of her dormitory root 0.400, how much work did she do? 128 3.14 kJ Click Save and Submit to save and submit. Click Save All Answers to save all answers
A book slides across a level, carpeted floor with an initial speed of 4.05 m/s and comes to rest after 3.25 m. Calculate the coefficient of kinetic friction ?k between the book and the carpet. Assume the only forces acting on the book are friction, weight, and the normal force. ?=
A worker pushed a 40.0-kg block 13.0 m along a level floor at a constant speed with a force directed 33.0° below the horizontal. If the coefficient of kinetic friction is 0.20, how much work did the worker do on the block?
Bonnie and Clyde are sliding a 295 kg bank safe across the floor to their getaway car. The safe slides with a constant speed if Clyde pushes from behind with 385 N of force while Bonnie pulls forward on a rope with 347 N of force. Part A What is the safe's coefficient of kinetic friction on the bank floor? Submit Request Answer Provide Feedback
Two workers are sliding a 300 kg crate across the floor. One worker pushes forward on the crate with a force of 380 N while the other worker pull in the same direction with a force of 350 N using a rope. Both forces are horizontal and the crate slides at a constant speed. What is the crate’s coefficient of kinetic friction on the floor?
5) A box of mass 25 kg is dragged across a level floor by a rope that makes an angle of 25o above the horizontal. The coefficient of friction between the box and the floor is 0.72. Find the force F that will ensure the box moves with constant speed.