Jacob pulls a 5 pound wagon 10 feet in 10 seconds. Which of the following statements is true? 1. Jacob has not done any work.
2. Jacob has done 50 foot pounds of work.
3. Jacobs power output is 10 foot pounds per second.

When you look at the data about all of the children in your setting, you can learn a. about child development. b. how well each individual child is performing. c. what outside factors you need to change. d. how effective your instruction and environment are.

Of the population of the united states is obese. a. 10% b. 25% c. 33% d. 50% select the best answer from the choices provided. a b c d

Afish fossil is found in a rock. a foot bone and tooth are found in an older layer of the same rock. what can scientists learn from the rock? a) the area changed from land to water. b) the area changed from water to land. c) the area has always been land. d) the area was once an ocean.