One star is emitting primarily visible light and another star is emitting primarily infrared light. which star is hotter?

What's the easiest way to add energy to matter?

A left front tire blows out. unless you control the vehicle, what will probably happen?

A 4800 kg truck is parked on a 12 ∘ slope. how big is the friction force on the truck? the coefficient of static friction between the tires and the road is 0.90.

Sound is ... A. matter B. Vibration C. potential energy D. electromagnetic energy

An object is thrown straight up into the air at 10 m/s. how fast is the object traveling after a second? a) 0 b) 5 c) - 5 d) - 10

Rhea kicks a soccer ball at 13 km/h to Sean. After kicking the ball, the speed of the soccer ball from Rhea's reference frame is 13 km/h. The speed of the soccer ball from Sean's reference frame is 22 km/h. a.

How is using a digital signal like turning on and off a regular light switch?

Who were the 26 or 27 scientists that found the elements on the periodic table?

What particle is used as a beam to treat cancer

Heat engine x has an efficiency of 67%. heat engine y has an efficiency of 82%. which best compares these two heat engines?