Leah watches a toy car move across a table at a constant speed. the car moves across the table in one direction and falls off the other side. leah decides to try another situation. she watches the car move across the table at a constant speed, then when it reaches the other side of the table, her friend joey pushes the car in the other direction. the car moves back to leah. based on leah's informal experiment, what forces cause the car to change direction? a. balanced forces from joey pushing the car b. unbalanced forces from joey pushing the car c. unbalanced forces from leah watching the car d. balanced forces from the car moving across the table

Imagine you work as a consultant, and your daily job involves listening to the constructive criticism of others. as part of your job, you must listen to opposing viewpoints to make important decisions. in this activity, you are a consulting dam engineer. you must make a decision about four different dams; should they be repaired, taken down, or left alone? you will listen to contrasting opinions about what should be done with the dams before you make the final decision. as the consulting dam engineer, what do you decide to do with this dam? explain your reasoning. by making your decision, did you support the opinions of the mayor and/or the dam safety official? why or why not? (site 1)

Abookcase has a mass of 38 kg and the coefficient of friction between it and the floor is 0.82 what is the maximum force of friction between the bookcase and the floor a 372n b 305n c 412n d 449n

The least penetrating form of radiation is