A Firecracker Breaks Up into Several Pieces,one of Which Has

question 41

Multiple Choice

A firecracker breaks up into several pieces,one of which has a mass of 200 g and flies off along the x-axis with a speed of 82.0 m/s.A second piece has a mass of 300 g and flies off along the y-axis with a speed of 45.0 m/s.What are the magnitude and direction of the total momentum of these two pieces?

• A) 361 kg • m/s at 56.3° from the x-axis
• B) 93.5 kg • m/s at 28.8° from the x-axis
• C) 21.2 kg • m/s at 39.5° from the x-axis
• D) 361 kg • m/s at 0.983° from the x-axis
• E) 21.2 kg • m/s at 56.3° from the x-axis

Understand the historical context and events leading up to the change in voting age to 18.

Analyze the factors that contributed to the lowering of the voting age.

Explain the impact of the change in voting age on society and political participation.

Understand the principles that form the basis of freedom of religion in the United States.