Which statement did Niels Bohr make about atoms?

A. The atom is made up of smaller particles.

B. The energy of an electron depends on its specific orbit.

C. The atom has a small, dense center.

D. Atoms are different for different elements.

Which of the following is NOT a strategy to prevent falls? a. keeping walking surfaces free from moisture and clutter b. replacing damaged electrical cords c. installing handrails for stairs d. keeping a ladder handy for reaching high places

What is the force when two charged spheres distance is in half

The position function of an object moving along a straight line is given bys = f (t). The average velocity of the object over the time interval [a, b] is the average rate of change of f over [a, b];

Along the frictionless path you have chosen, the main force (s) acting on the puck after receiving the kick is (are) :

Whats the gravity of Jupiter?

Which is an example of transfroming potential energy to kinetic

Place the ball in the plastic bag, and twist the top so the ball is secure in the bag. Wrap the twisted portion with tape so it stays tight. Use the hole punch or scissors to poke a hole in the part of the bag that's above the ball.

Choose The units of 1/4πε0 are: A. N2C2 B. N • m/C C. N2 • m2/C2 D. N • m2/C2 E. m2/C2

What does a fern ultimately depend on as an energy source?

According to the Doppler Effect, which statement is true about a sound as it approaches you and then moves away. A) As the source approaches you, the sound waves are compressed so the pitch of the noise increases.