A star that appears to pulsate is called a

The bulk of peoples dreams occurs during what following state?

A string is wound tightly around a fixed pulley having a radius of 5.0 cm. as the string is pulled, the pulley rotates without any slipping of the string. what is the angular speed of the pulley when the string is moving at 5.0 m/s?

1. The physical or chemical properties a substance is known for are called its - properties. a. material C. characteristic b. static d. basic

A light plane is headed due south with a speed of 200 km/h relative to still air. After 1.00 hour, the pilot notices that they have covered only 129 km and their direction is not south but 15.0∘ east of south.

When objects are forced to vibrate (like when dropped onto a hard surface), they will do so at their

Which of the following occurs in meiosis that does not occur in mitosis 1 fertilization occur 2 body cells are made 3 sex cells are made 4 cell division occurs

A hot air balloon is hovering in the air when it drops a 40 Kg food package to some lost golfers. If the package is dropped from an altitude of 500 m and air resistance can be neglected, how fast is the package moving when it hits the ground?

you often hear people particularly TV announcers talk about "high rate of speed" what do you think they mean according to the specifics of physics definitions what are they really saying

What is the value of x in the equation Ix - 3y = 30, when y = 15?

32. How much work is done pushing an 80 N box 2 m across ue surtout What work is done? a. 40 J c. 160 J b. 20 J d. 240 J