The main objective of a physical map is to show landforms, bodies of water and other geographical features. Features shown include mountains, deserts and lowlands as well as lakes, rivers and oceans.
Depending on your electricity prices, a 400 watt HID will cost $200 â $400 each year of use, plus the cost of replacement bulbs. LEDs meant to replace 400w HIDs average around 180 watts.
Report Abuse. Look at your electric bill. Divide the the amount you are charged by your usage (KWH's). (Here it is about $00.12/KWH). A 1 HP motor will you about 750 watts. So in one hour it would use 3/4 of a KWH. If the cost is $0.12/KWH. your pump would use 3/4 X 3/4 X $0.12 per hour of use. about $0.07/hr.Keep the motor clean so it runs efficiently.Be careful when mowing.o in one hour it would use 3/4 of a KWH. If the cost is $0.12/KWH. your pump would use 3/4 X 3/4 X $0.12 per hour of use. about $0.07/hr. Keep the motor clean so it runs efficiently.