The american physical chemist gilbert newton lewis (1875-1946) proposed a unit of time called a jiffy. according to lewis, 1 jiffy is the time it takes light to travel 1 cm. (c= 2.998 x 10^8 m/s)
a) if you perform a task in a jiffy, how long does it take in seconds?
b) how many jiffys are in one minute?

How does the image distance (di) of a convex lens compare with the image distance of a concave lens? a. the image distance of the convex lens is positive, and that of the concave lens is negative. b. both are negative for a virtual image. c. both are positive for a virtual image d. the image distance of the convex lens is negative, and that of the concave lens is positive.

In the circuit shown below, with each bulb holding a resistance of 60 ohms, how many amps of current are flowing? express your number as a decimal.

(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.