Author Question: How much money does it cost to leave on 10 60 watt lights for 15 hours, if the cost of electricity ... (Read 51 times)

fagboi · **on:** Jul 28, 2018

How much money does it cost to leave on 10 60 watt lights for 15 hours, if the cost of electricity is 8 cents per kWh?
a. 15 b. 32 c. 72 d. 120 e. 480

Question 2

A car travels around an unbanked highway curve (radius 0.15 km) at a constant speed of 25 m/s. What is the magnitude of the resultant force acting on the driver, who weighs 0.80 kN?
a. 0.87 kN
b. 0.34 kN
c. 0.80 kN
d. 0.00 kN
e. 0.67 kN