A15.0 kg block at rest on a horizontal frictionless surface is attached to a very light ideal spring of force constant 450 n/m. the other end of the spring is attached to a fixed wall. a lump of putty travels horizontally with a speed of 8.00 m/s towards the block from the side directly opposite the spring. the putty strikes and sticks to the block. what is the maximum distance the spring is compressed after the impact? be sure to identify the conservation law you use to analyze each stage of this process and to tell why you use it.

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.

Drag each tile to the correct box. tiles bra i sequence

A100-watt light bulb illuminates a solar cell. the electricity from the solar cell operates a water pump that delivers 1 watt of power. what is the efficiency of the system?