While spinning at 50 rad/s, a solid uniform disk has a rotational kinetic energy of 4.5 kJ. If the radius of the disk is 1.3 m, what is its mass, in kg?

What do you think car designers do if the damage caused by a crash test is too severe?

You are given two vectors a⃗ =−3.00ι^ 5.00j^ and b⃗ =5.00ι^ 2.00j^. let the counterclockwise angles be positive.

Which of these questions might a character ask if the conflict is man versus self? a. which path should i take to better myself? b. which boulder will be too heavy for me to carry? c. which friend is going to ditch me today? d. all of the above