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(10%) Problem 6: A contestant in a winter sporting event pulls a 42 kg block of...
A contestant in a winter sporting event pulls a 42 kg block of ice in the positive horizontal direction
A contestant in a winter sporting event pulls a 42 kg block of ice in the positive horizontal direction with a rope over his shoulders across a frozen lake as shown in the figure. Assume the coefficients of static and kinetic friction are μs=0.1 and μk=0.03. Part (a) Calculate the minimum force F he must exert to get the block sliding in newtons. Part (b) What is its acceleration in m/s2 once it starts to move, if that force is maintained?
A contestant in a winter games event pulls a 56.0 kg block of ice across a...
A contestant in a winter games event pulls a 56.0 kg block of ice across a frozen lake with a rope over his shoulder as shown in Figure 4.29(b). The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. Figure 4.29 (a) Calculate the minimum force F he must exert to get the block moving. N (b) What is its acceleration once it starts to move, if that force is maintained? m/s2
Question 1 (a) A contestant in a winter sporting event pushes a 45.0-kg block of ice...
Question 1 (a) A contestant in a winter sporting event pushes a 45.0-kg block of ice across a frozen lake as shown below. For ice on ice, lis = 0.1 and fik = 0.03. (i) Draw a free body diagram for the ice block in this situation. (ii) Calculate the minimum force he must exert to get the block moving. (iii) The minimum force found in (ii) is maintained after the block starts to move, find the block's acceleration. I...
A contestant in a winter sporting event pushes a 36.5 kg block of ice across a...
A contestant in a winter sporting event pushes a 36.5 kg block of ice across a horizontal frozen lake. He pushes the block at an angle of 29° below the horizontal. If the coefficient of kinetic friction is 0.02, what is the force required to push the block at a constant speed?
A contestant in a winter games event pushes a 36.0 kg block of ice across a...
A contestant in a winter games event pushes
a 36.0 kg block of ice across a frozen lake as shown in the figure
below. The coefficient of static friction is 0.1 and the
coefficient of kinetic friction is 0.03. (Assume θ = 22°.)
A contestant in a winter games event pushes a 36.0 kg block of ice across a frozen lake as shown in the figure below. The coefficient of static friction is 0.1 and the coefficient of kinetic friction...
A contestant in a winter games event pushes a 60.0 kg block of Ice across a...
A contestant in a winter games event pushes a 60.0 kg block of Ice across a frozen lake as shown in the figure below. The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. (Assume 8 - 25.) (a) Calculate the minimum force F (in N) he must exert to get the block moving. (No Response) N (b) What is its acceleration (in m/s?) once it starts to move, if that force is maintained? (No...
A contestant in a winter games event pushes a 52.0 kg block of ice across a...
A contestant in a winter games event pushes a 52.0 kg block of ice across a frozen lake as shown in the figure below. The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. (Assume A = 25°) (a) Calculate the minimum force F(in N) he must exert to get the block moving. 38.35 Did you draw a free-body diagram and identify the forces acting on the system? N (b) What is its acceleration (in...
OSCOLPHYS2016 5.1.P.018. MY NOTES A contestant in a winter games event pushes a 53.0 kg block...
OSCOLPHYS2016 5.1.P.018. MY NOTES A contestant in a winter games event pushes a 53.0 kg block of ice across a frozen lake as shown in the fiqure. -125°F The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. (a) Calculate the minimum force F (in N) he must exert to get the block moving (b) What is its acceleration (in m/s) once it starts to move, if that force is maintained? m/s2
(11%) Problem 4: A 82.5-kg person is riding in a car moving at 20.5 m/s (assume...
(11%) Problem 4: A 82.5-kg person is riding in a car moving at 20.5 m/s (assume this is the positive direction) when the car runs into a bridge abutment. This problem will illustrate why the invention of the airbag dramatically improved the safety of automobiles. 50% Part (a) Calculate the horizontal component of the average force, in newtons, on the person if he is stopped by a padded dashboard that compresses an average of 1.25 cm. Grade Summary Fdash Deductions...
(5%) Problem 2: Ahorizontal force, Fi = 75 N, and a force, F2 = 19.9 N...
(5%) Problem 2: Ahorizontal force, Fi = 75 N, and a force, F2 = 19.9 N acting at an angle of 0 to the horizontal, are applied to a block of mass m =3.9 kg. The coefficient of kinetic friction between the block and the surface is u = 0.2.The block is moving to the right F. Randomized Variables F F1 75 N F2 = 19.9 N m 3.9 kg Otheexpertta.com 50% Part (a) Solve mumerically for the magnitude of...
Question 1 (a) A contestant in a winter sporting event pushes a 45.0-kg block of ice across a frozen lake as shown below. For ice on ice, lis = 0.1 and fik = 0.03. (i) Draw a free body diagram for the ice block in this situation. (ii) Calculate the minimum force he must exert to get the block moving. (iii) The minimum force found in (ii) is maintained after the block starts to move, find the block's acceleration. I...
A contestant in a winter games event pushes
a 36.0 kg block of ice across a frozen lake as shown in the figure
below. The coefficient of static friction is 0.1 and the
coefficient of kinetic friction is 0.03. (Assume θ = 22°.)
A contestant in a winter games event pushes a 36.0 kg block of ice across a frozen lake as shown in the figure below. The coefficient of static friction is 0.1 and the coefficient of kinetic friction...
A contestant in a winter games event pushes a 60.0 kg block of Ice across a frozen lake as shown in the figure below. The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. (Assume 8 - 25.) (a) Calculate the minimum force F (in N) he must exert to get the block moving. (No Response) N (b) What is its acceleration (in m/s?) once it starts to move, if that force is maintained? (No...
A contestant in a winter games event pushes a 52.0 kg block of ice across a frozen lake as shown in the figure below. The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. (Assume A = 25°) (a) Calculate the minimum force F(in N) he must exert to get the block moving. 38.35 Did you draw a free-body diagram and identify the forces acting on the system? N (b) What is its acceleration (in...
OSCOLPHYS2016 5.1.P.018. MY NOTES A contestant in a winter games event pushes a 53.0 kg block of ice across a frozen lake as shown in the fiqure. -125°F The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. (a) Calculate the minimum force F (in N) he must exert to get the block moving (b) What is its acceleration (in m/s) once it starts to move, if that force is maintained? m/s2
(11%) Problem 4: A 82.5-kg person is riding in a car moving at 20.5 m/s (assume this is the positive direction) when the car runs into a bridge abutment. This problem will illustrate why the invention of the airbag dramatically improved the safety of automobiles. 50% Part (a) Calculate the horizontal component of the average force, in newtons, on the person if he is stopped by a padded dashboard that compresses an average of 1.25 cm. Grade Summary Fdash Deductions...
(5%) Problem 2: Ahorizontal force, Fi = 75 N, and a force, F2 = 19.9 N acting at an angle of 0 to the horizontal, are applied to a block of mass m =3.9 kg. The coefficient of kinetic friction between the block and the surface is u = 0.2.The block is moving to the right F. Randomized Variables F F1 75 N F2 = 19.9 N m 3.9 kg Otheexpertta.com 50% Part (a) Solve mumerically for the magnitude of...
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