Question

1. The Curiosity Rover has recently landed on Mars and likes to send Twitter updates on its progress. If a tweet is posted 11 minutes after it was sent, how far is Curiosity from Earth? (Assume there is no network lag.) (_____m)

2. Two microwave frequencies are authorized for use in microwave ovens: 910 and 2590 MHz. Calculate the wavelength of each.

(a) (_____cm) (frequency = 910 MHz)

(b) (_____cm) (frequency = 2590 MHz)

Answer 1

Distance = Speed times time = (3 times 10^8) (11) (60s/1min) = 1.98 times 10^' m As per HomeworkLib rules we have to solve only one equation