
Grade 12General Physics
Luyando wants to have a bit of fun with her wagon. She puts her 12 ππ baby sister, Waluse, on the wagon and pulls it across the floor using a rope at an angle of 22Β° above the floor. Using the spring balance that mum uses to weigh things in the kitchen, Luyando realises that the tension in the rope is constant and has a value of about 40 π. Use the work-energy theorem to find Waluseβs speed after being pulled 4.0 π across the living room. The coefficient of friction is 0.2 and the weight of the wagon is 3 ππ.
2. The roller coaster car shown in the figure below starts from rest at a height
Luyando wants to have a bit of fun with her wagon. She puts her 12 ππ baby sister, Waluse, on the wagon and pulls it across the floor using a rope at an angle of 22Β° above the floor. Using the spring balance that mum uses to weigh things in the kitchen, Luyando realises that the tension in the rope is constant and has a value of about 40 π. Use the work-energy theorem to find Waluseβs speed after being pulled 4.0 π across the living room. The coefficient of friction is 0.2 and the weight of the wagon is 3 ππ.
2. The roller coaster car shown in the figure below starts from rest at a height
2. The roller coaster car shown in the figure below starts from rest at a height




