A 0.015-kg ball is shot from the plunger of a pinball machine. because of a centripetal force of 0.028 n, the ball fol - lows a circular arc whose radius is 0.25 m. what is the speed of the ball?

Light is travelling through air reaches quartz at an angle of incidence of 35°. The index of refraction of quartz is 1.54. At what angle of refraction does the light travel into the quartz?

Check every statement about cells that is true. Cells come in different shapes and sizes. All cells perform the same function in a multicellular organism. Cells are considered the basic structural unit of life. Cells are found in every living thing.

Why is it important for scientist to repeat an experiment several times?

Determine the value of the resistor r so that a current of 0.5a flows through the load.

What type of force causes exfoliation

How did changing from a light drizzle to a downpour affect the river and the sediment The river increased its slope. The volume of the river decreased. The velocity of the river increased! There was more erosion in the stream.

Which of the fundamental forces explains the structure of atoms and molecules?

It always takes to change the motion of an object. O A. electricity OB. energy C. gravity D. density Reset

What might a psychodynamic theorist think about a person with extreme shyness?

Determine the magnitude of the acceleration for the speeding up phase.