A 10-G Bullet Moving 1000 M/s Strikes and Passes Through

question 16

Multiple Choice

A 10-g bullet moving 1000 m/s strikes and passes through a 2.0-kg block initially at rest, as shown. The bullet emerges from the block with a speed of 400 m/s. To what maximum height will the block rise above its initial position?

• A)78 cm
• B)66 cm
• C)56 cm
• D)46 cm
• E)37 cm

---

Definitions:

Stimulants

Substances that increase alertness, attention, and energy by elevating the heart rate, blood pressure, and respiration.

Double-Blind Procedure

An experimental procedure in which neither the participants nor the experimenters know who is receiving a particular treatment, used to prevent bias in research results.

Placebo

An inert or non-active treatment given to a participant in an experiment, used to measure the effect of the treatment being tested.

Barbiturates

A class of drugs that act as central nervous system depressants, often used for their sedative and hypnotic properties.