• AN AIRPLANE PROPELLER WITH BLADES 2.00 M LONG IS
ROTATING AT 1150 RPM.
a) EXPRESS ITS ANGULAR SPEED IN RAD/S.
b) FIND ITS ANGULAR DISPLACEMENT IN 4.00 S.
c) FIND THE LINEAR SPEED (IN M/S) OF A POINT ON THE
END OF THE BLADE.
d) FIND THE LINEAR SPEED (IN M/S) OF A POINT 1.00 M
FROM THE END OF THE BLADE.
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The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.

(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.

How many electrons in an atom could have these sets of quantum numbers? =3n=3 electronselectrons =4,ℓ=2n=4,ℓ=2 electronselectrons =6,ℓ=ℓ=−1n=6,ℓ=2,mℓ=−1