How far in advance of making a turn do you have to activate your turn signal?

Calculate the maximum kinetic energy of photoelectrons emitted from this plate when light of wavelength (λ) 520nm is directed at the metal surface. Work function (Ф) of the plate = 1.1 * 10⁻¹⁹ J Planck's constant (h) = 6.

What happens to wavelength when you vary amplitude

What is the difference between compound, element and mixture?

A man has power of 90W and mass 60kg runs up a staircase in 40 second. If each step of staircase is 20m high calculate the number of steps

Problem 11.010 IS A rigid tank contains 1 kg of oxygen (O2) at p1 = 30 bar, T1 = 180 K. The gas is cooled until the temperature drops to 150 K. Determine the volume of the tank, in m3, and the final pressure, in bar, using the:

2) A window washer pulls themselves upward using a bucket pulley apparatus. A) How hard must pull downward to raise herself slowly at a constant speed? B) If she increases this force by 15%, what will her acceleration be?

A star with an original mass of 8 to 25 solar masses will ultimately become a? a) red giant b) white dwarf c) neutron star d) main sequence star

Racewalking involves more impact than running. true false

Why would an object float in water, but sink in rubbing alcohol?

What happens to the volume of solids, liquids, and gases when they are heated. Devise your own chart for your answer.