The atmospheric pressure is due to the

(a) sky above our head (b) air mass surrounding the earth

(c) gravitational force of sun and other planets. (d) mass of the earth

What is the change in temperature of a 2.50 L system when its volume is reduced to 1.00 L if the initial temperature was 298 K?

A scalar measurement consists of a. a magnitude. b. a direction and a unit. c. a number and a magnitude. d. a magnitude and a direction.

Julius competes in the hammer throw event. the hammer has a mass of 7.26 kg and is 1.215 m long. what is the centripetal force on the hammer when it has a tangential speed of 31.95 m/s? the answer is rounded off to the nearest whole number.

Identify two beliefs that Piaget and Vygotsky share regarding cognitive development. (Site 1)

Which of the following would not be used to detect radioactivity? cloud chamber Geiger counter photographic film battery

Hello No. 1 dinleyin bide canbay & wolker - fersah dinleyin azıcık kafa bulun olum

Which of these is not a gas? O A. Oxygen O B. Gravity O c. Helium O D. Hydrogen

Two vectors which do not lie along the same line represent what kind of motion? A. Resultant motion B. Scalar motion C. One-dimensional motion D. Two-dimensional motion

In which one of the following four-stroke cylinder arrangements will the intake and exhaust valves open downward into the combustion chamber? A. K-type B. C-type C. T-type D. I-type

Why did alpha particles bounce back