When a certain metal is illuminated with light of frequency 3.0*1015 hz, a stopping potential of 7.27 v is required to stop the most energetic electrons. what is the work function of this metal?

What two factors affects the rate of acceleration of an object?

To a stationary, a bus moves south with a speed of 15 m/s. a man inside walks toward the front of the bus with a speed of 0.2 m/s relative to the bus. What is the velocity of the man according to a stationary observer?

A pressure difference of 6.00 x 104 Pa is required to maintain a volume flow rate of 0.400 m3 / s for a viscous fluid flowing through a section of cylindrical pipe that has a radius 0.330 m.

What happens to the effort force as the radius increases?

What is the density of a 700 kg object with a volume of 649 m3? (Density: D = )

The basic building block of life is

What is the reason for Mary's resemblance to her mother. Mary's relatives and friends feel she had her mothers feature

Is a balance scale used to describe how much matter is in an object

At distances greater than 2 femtometers, the nuclear strong force is stronger than (select all that apply): gravity electromagnetic forces nuclear weak force none of the above

Identifying the Functions of Parts of the Ear Which part of the ear changes sound to a signal that the brain can understand? Which part of the ear carries the signal to the brain?