© 10g of ice -10°C Is mixed with 120g of - 80°C. find the final temperature. of the mixture
( SHC of ice = 2100JKgK, SHC of water=4200JKg
SLF of ice = 336000JKg)​

1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

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.