Avector has an x-component of -7.55m and a y-component of -2.48. find the magnitude of the vector

Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?

Awhite-blue star is hotter than a red star. select the best answer from the choices provided true or false

Which of the following statements accurately describes the sign of the work done on the box by the force of the push? a. positive b. negative c. zero