Question: arkS work in raising an object. What is the efficiency of this technology? 29. Use the graph below to determine how much work is done

arkS work in raising an object. What is the efficiency of

arkS work in raising an object. What is the efficiency of this technology? 29. Use the graph below to determine how much work is done between: ks (a) 0 & 4.0 m (b) 4.0 & 6.0 m (c) 6.0 & 8.0 m 40 Force (N) 20 O 0 2.0 4.0 6.0 8.0 10.0 Displacement (m) 30. A child throws a 0.50 kg snowball at his friend at 12.0 m/s but the snowball lands o rKS front of his friend. The snowball is 1.3 m above the ground when it leaves the child's h (a) What is the (i) kinetic energy & (ii) potential energy of the snowball at the ti (b) What is the total energy of the snowball (i) at the time of release & (ii) just the ground? (c) What is the snowball's kinetic ene

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