Phy
(a) What is the normal force exerted by the lake surface on the rock?
N
(b) Instead of pushing on the rock, the contestant now pulls on it with a rope over his shoulder at the same angle above the horizontal as in part (a). See Figure (b)above. Now what is the normal force exerted by the lake surface on the rock?
N
Homework Answers
a) N = mg + Fsin24
N = 38 x 9.81 + 25 x sin24 = 382.95 N
b) N = mg - Fsin24 = 362.61 N
A contestant in a winter games event pushes a 32.0-kg rock across a frozen lake with...
A contestant in a winter games event pushes a 32.0-kg rock across a frozen lake with a force of 25 Nat 24" below the horizontal as shown in Figure (ə) below, and it moves with an acceleration of 0.71 ms to the right. (a) What is the normal force (in N) exerted by the lake surface on the rock? (b) Instead of pushing on the rock, the contestant now pulls on it with a rope over his shoulder at the...
+ -/1 points My Notes Ask Your Teacher 26. A contestant in a winter games event...
+ -/1 points My Notes Ask Your Teacher 26. A contestant in a winter games event pushes a 37.0-kg block of ice across a frozen lake with a force of 25 N at 26.0° below the horizontal as shown in Figure (a) below, and it moves with an acceleration of 0.610 m/s to the right (a) (b) (a) What is the normal force exerted by the lake surface on the block of ice? (b) Instead of pushing on the block...
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
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 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 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...
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 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?
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
(10%) Problem 6: A contestant in a winter sporting event pulls a 42 kg block of...
(10%) Problem 6: 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 us-0.1 and u-003 25 Otheexperita.com ▲ 50% Part (a) Calculate the minimum force F he must exert to get the block sliding in newtons. Grade Summary Potential 100% cos) tan() : π: ( sino...
A contestant in a winter games event pushes a 32.0-kg rock across a frozen lake with a force of 25 Nat 24" below the horizontal as shown in Figure (ə) below, and it moves with an acceleration of 0.71 ms to the right. (a) What is the normal force (in N) exerted by the lake surface on the rock? (b) Instead of pushing on the rock, the contestant now pulls on it with a rope over his shoulder at the...
+ -/1 points My Notes Ask Your Teacher 26. A contestant in a winter games event pushes a 37.0-kg block of ice across a frozen lake with a force of 25 N at 26.0° below the horizontal as shown in Figure (a) below, and it moves with an acceleration of 0.610 m/s to the right (a) (b) (a) What is the normal force exerted by the lake surface on the block of ice? (b) Instead of pushing on the block...
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 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...
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...
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
(10%) Problem 6: 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 us-0.1 and u-003 25 Otheexperita.com ▲ 50% Part (a) Calculate the minimum force F he must exert to get the block sliding in newtons. Grade Summary Potential 100% cos) tan() : π: ( sino...
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