The manufacturer of a bulletproof vest wants the vest to be able to stop a bullet with a mass of 0.4 kg and a velocity of 1800 m/s. what is the momentum of this bullet?

a. 720 kg*m/s

b. 740 kg*m/s

c. 820 kg*m/s

d. 4500 kg*m/s

What is the right size hockey jersey for me?

Which of the following describes resistance force?

On the weather map above, what does the "H" represent? A. a low pressure system B. a high pressure system C. a hurricane D. light rain

while elements and compunds are related, they are different. Unlike elements, compunds can be described as which of the following?

What part of Earth is darkest at solstice? why?

Identify the scenario below as to whether they increase, decrease, or not change the frequency in which a string vibrates and thus change its pitch. Assume that no other changes are happening. 1. Tightening a string for greater tension 2.

Explain what each of the following scientists contribute to the atomic theory

A fully charged parallel-plate capacitor remains connected to a battery while a dielectric is slid between the plates. Do the following quantities increase, decrease, or stay the same? Select one or more: a. delta V increases b.

Energy is observed in two basic forms: potential and kinetic. Which of the following correctly matches these forms with a source of energy? a. the heat released from a living organism: potential energy b.

What should you do when operating a boat in large waves and high wind?