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3. A 90-kg ice skater moving at 16 m/s...
A 57.7 kg ice skater, moving at 15.4 m/s, crashes into a stationary skater of equal...
A 57.7 kg ice skater, moving at 15.4 m/s, crashes into a stationary skater of equal mass. After the collision, the two skaters move as a unit at 7.7 m/s. Suppose the average force a skater can experience without breaking a bone is 4520 N. If the impact time is 0.11 s, what is the magnitude of the average force each skater experiences? Answer in units of N.
. Two ice skaters collide on the ice. A 39.6-kg skater moving South at 6.21 m/s...
. Two ice skaters collide on the ice. A 39.6-kg skater moving South at 6.21 m/s collides with a 52.1-kg skater moving East at 4.33 m/s. The two skaters entangle and move together across the ice. Determine the magnitude and direction of their post-collision velocity
A 90 kg ice skater moving at 11.0 m/s on the ice encounters a region of...
A 90 kg ice skater moving at 11.0 m/s on the ice encounters a region of rough up ice with a coefficient of kinetic friction 0.500. How far along the rough ice doe she go before stopping?
Two ice skaters are gliding together along the ice, both moving at the same, constant velocity...
Two ice skaters are gliding together along the ice, both moving at the same, constant velocity (sliding without exerting a force). The first skater (the one in the back), with mass M1 = 62.3 kg, pushes the second skater (the one in front), with mass M2 = 70.4 kg, directly forward in the direction they are initially moving. After the push the first skater is not moving (velocity = 0) and the second skater is moving with a velocity of...
Two ice skaters are gliding together along the ice, both moving at a constant velocity vi...
Two ice skaters are gliding together along the ice, both moving at a constant velocity vi = 4.39 m/s (sliding without exerting a force). The first skater, the one in the back, with mass M1 = 79.6 kg, pushes the second skater, the one in front, with mass M2 = 57.3 kg, directly forward in the direction they are initially moving. After the push the first skater is not moving (velocity = 0) and the second skater is moving with...
A 92.71 kg skater moving initially to the right at 0.39 m/s on rough horizontal ice...
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 90 kgkg ice skater moving at 10.0 m/sm/s on the ice encounters a region of...
A 90 kgkg ice skater moving at 10.0 m/sm/s on the ice encounters a region of roughed up ice with a coefficient of kinetic friction of 0.360. How far along the rough ice does she go before stopping?
5))A 40 kg ice skater is gliding along the ice, heading due north at 4.4 m/s....
5))A 40 kg ice skater is gliding along the ice, heading due north at 4.4 m/s. The ice has a small coefficient of static friction, to prevent the skater from slipping sideways, but µk = 0. Suddenly, a wind from the northeast exerts a force of 4.0 N on the skater. (a) Use work and energy to find the skater's speed after gliding 90 m in this wind. m/s (b) What is the minimum value of µs that allows her...
A 13.28 kg skater moving initially to the right at 9.51 m/s on rough horizontal ice...
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...
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?
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