The waves with the longest wavelengths in the electromagnetic spectrum are
a. infrared rays.
b. x-rays.
c. gamma rays.
d. radio 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

Aboy with a mass 25 kg climbs into a small tree. he sits on a branch that is 2.o m above to the ground.what is his gravitational potential energy above the ground?

Acar travels in reverse. it covers 150 meters in 12 seconds what is the velocity of the car what is the speed of the car