A sprinter has a mass of 80kg and a kinetic energy of 4000 j. What is the sprinter's speed

V1T2 = V2T1 is an expression of Charles' Law. a. True b. False

What is centripetal force and where might you find an example?

A particle P is projected from the origin O so that it moves along the x-axis. At time t after projection, the velocity of the particle v is given by v = 3t^2 - 24t + 45.

The isotope Cobalt-60 has a nuclear mass of 59.933820 u Calculate the Mass Defect of Cobalt-60 using the following information. Mass of Proton: 1.007825 u Mass of Neutron: 1.008665 u 1 u = 931.5 MeV

Describe two examples of Newton's First Law of Motion; the motion of an object does not change if the net forces are balanced.

What is the tense In sailed

Acceleration is a vector quantity. O O A. True B. False

What will happen to the brightness of a string of bulbs hooked up in series when you increase the number of bulbs in the string? A. Each light in the string will get brighter. B. Each light in the string will get dimmer. C.

What are the two factors that influence the composition of beach material

Which of the following indicates that a ChemicL change has taken place? (A) a change from liquid to a gas (B) an increase in the volume of a substance (C) a change in the color of a substance (D) a change from a solid to a liquid A precipitate is a