Question 4 10 points Save Answer A skater is moving with an initial speed of 2.8...
A 92.71 kg skater moving initially to the right at 0.39 m/s on rough horizontal ice comes to rest uniformly (constant acceleration) in 5.85 s due to friction from the ice. What force does friction exert on the skater?
A 13.28 kg skater moving initially to the right at 9.51 m/s on rough horizontal ice comes to rest uniformly (constant acceleration) in 2.12 s due to friction from the ice. What is the acceleration of the skater due to friction?
A 102.08 kg skater moving initially to the right at 5.3 m/s on rough horizontal ice comes to rest uniformly (constant acceleration) in 5.1 s due to friction from the ice. What is the acceleration of the skater due to friction?
On an essentially frictionless horizontal ice-skating rink, a skater moving at 2.8 m/s encounters a rough patch that reduces her speed by 47 % to a friction force that is 22 % of her weight. Use the work-energy principle to find the length of the rough patch.
On an essentially frictionless, horizontal ice rink, a skater moving at 6.0 m/s encounters a rough patch that reduces her speed by 46 % due to a friction force that is 26 % of her weight. Use the work-energy theorem to find the length of this rough patch.
"On an essentially frictionless, horizontal ice rink, a skater moving at 4.3 m/s encounters a rough patch that reduces her speed by 42% due to a friction force that is 24% of her weight. Use the work—energy theorem to find the length of this rough patch."
Δ Moving to another question will save thi, esponse. Question 1 4 points Save Answ A 19.14 kg block is initially at rest on a horizontal surface. A horizontal force of 76 N is required to set the block in motion, after which a horizontal force of 46 N is required to keep the block moving with constant speed. Find the coefficient of kinetic friction between the block and the surface.
A 55 kg ice skater is at rest on a flat skating rink. A 198 N horizontal forceis needed to set the skater in motion.However, after the skater is inmotion, a horizontal force of 175 N keeps the skater moving at a constantvelocity. Find the coefficients of static and kinetic friction between theskates and the ice.
Review Part A A speed skater moving to the left across frictionless ice at 8.5 m/s hits a 4.3-m-wide patch of rough ice. She slows steadily, then continues on at 6.1 m/s. What is the magnitude of her acceleration on the rough ice? Express your answer with the appropriate units. a= 1 Value Units Submit Request Answer
A 64.0-kg ice skater is moving at 3.99 m/s when she grabs the loose end of a rope, the opposite end of which is tied to a pole. She then moves in a circle of radius 0.790 m around the pole. (a) Determine the magnitude of the force exerted by the horizontal rope on her arms. kN (b) Compare this force with her weight. Frope W =