What percent of sample of AS-198 to decay to 1/8 its original

Which one of these facts about light are true? A) Light rays cannot stop until a mass is able to receive the light ray. B) Light has a indefinite source.

A large box is being pushed by three separate people. The first person is pushing the box at a rate of 6 m/s directly north. The second person is pushing the box at a rate of 6 m/s directly to the northeast.

If acceleration is negative does that mean it is slowing down or different direction

A car starts from rest and accelerate at a constant rate. After the car has gone 50m it has a speed of 21 m/s. What is the acceleration of the car?

Know? Like to know? Learned physical science chapter 16

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