I'm guessing 3 to 5 hours...
A Garmin watch can be taken a long way under water as it is one of the best underwater watches available. 100 ft or 30 meters is a safe depth for a Garmin. Lovely watches.
for about 2 hours
It can last Up to 20 hours with one charge.
Depending on the age of the battery and other factors, a golf cart will last from 15 to 30 miles on a single charge. It is important to invest is a premium battery and to charge the cart after each use.
Electric, save money by using electric and the charge will last long. The gas golf cart may go faster though.
average golf cart battery is 110 amps. if you have 6 batteries in a 36 volt system, and you use a 20 amp charger it could take up to 5 1/2 hours (depending on the state of charge of your batteries when you begin the charge). Were they at 50% charge? Were they at 20% charge? Pop a cap and check with a hydrometer before you begin your charge and then you can calculate how long. Be sure and use the amperage of your charger in the formula.
1-3 hours
No set answer to that. Depends on the power rating of the motor and how hard you're running it.
Garmin offers several portable GPS models at different price points for different needs. The watch style is ideal for a long-distance runner and can be purchased with an optional heart rate monitor. The Forerunner 410 is less pricey than the 610 and only lacks a workout planner. https://buy.garmin.com/shop/shop.do?cID=142&ra=true
Depends what golf course it is. Cimmie.
Miniature golf courses can be anywhere from 50 to 100 yards long.