In mammals, the weight of the heart is ap- proximately 0.5% of the total body weight. write a linear model that gives the heart weight in terms of the total body weight.
use the model to find
a) the weight of the heart of a human whose weight is 151 lbs.
answer in units of lbs.

The velocity of car is 80.0 miles per hour. what is the velocity of car in meters per second? (1 km -0.621 miles) m/s

Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue

The discovery of the electron as a subatomic particle was a result of