14. A bomb initially at rest explodes into three pieces. The first piece is 0.25 kg and moves to the right at 65 m/s. The second piece is 0.5 kg and moves to the right at 30 m/s. If the
third piece has a mass of 1.0 kg, what is its velocity after the bomb explodes?

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?

Fill in the blank 1. digestion occurs in the small intestine through the action of enzymes. 2. urea, excess water, and other waste materials are eliminated in a water fluid called 3. can cause infections by injecting dna or rna into hosts. 4. the human immune system produces in response to a vaccine, which later can bind to and destroy a pathogen if it invades. 5. are structures that link bone to bone at a joint 6. in the heart, blood flows from the right atrium to the right ventricle, where it is pumped to the the words i can use are: lymphocytes gliding pivot gas urine absorption dermis fulcrum lungs chemical viruses capillary vertebrae esophagus tendons antibodies synapses ligaments kidneys pathogens

Which of the following statements is true of cells