E Which of the following particles that may be emitted in radioactive decay is not ionising? A alpha
B beta minus
C neutron
D beta plus
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11 words used to describe an object are called itsor characteristics.total12 is the amount of matter in an object.helt udedelerde elettroduodet littletadli dituntut uploaded13 the metric unit used to measure weight is them.14 if a toy has a mass of 1 kg, it has an earth weight 15 the density of liquid water isti

The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force

James is trying to prove newton's 2nd law of motion. he tries to move four different objects with different masses, shapes, and sizes from point a to point b. the objects are a toy car, a car, a refrigerator, and a kitchen table. after some experimentation, he finds that force is dependent on the mass of the object, rather than it's size or shape. the object that takes the most force to move is the