Which waves can travel through a vacuum? A) light waves
B) Ocen waves
C) Sound waves
D) mechanical waves

Amarble, a bowling ball, a basketball, and a baseball are rolling across the floor at 10 m/s. which one has the greatest kinetic energy? the marble the bowling ball the basketball the baseball

The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force

Atomic nuclei of almost all elements consist of