1. You throw a ball with a mass of 2.1 kg. The ball leaves your hand at 30m/s. The ball has___ energy. Calculate it. 2. There is a bell at the top of a tower that is 50 m high. The bell weighs 190N. The bell has___ energy. Calculate it. 3. At what height is an object that has a mass of 56 kg if its gravitational poten- tial energy is 9800 J? 4. There is a blender at the cabinet that is 5 m high. THe blender weighs 50N. The blender has___ energy. Calculate it. Using Gresa Method​

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