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When was the wrecking ball invented?
The wrecking ball was invented in the mid-19th century, with the first documented use dating back to the 1800s. It quickly became a popular tool for demolition due to its effectiveness in bringing down structures.
A car travels 60 km in 45 minutes A second car travels 3 times the distance in four times the time What is the speed of the second car in meters per second?
The first car's speed is 80 km/h. The second car's distance is 180 km (3 times 60 km) and time is 180 minutes (4 times 45 minutes). Converting the second car's speed to m/s, we have 180 km/180 minutes = 1 km/min = 16.67 m/s.
How much is power output of a machine that lifts a 500kg object through a height of 20m in a time of 60s?
The work done by the machine would be the force required to lift the object multiplied by the distance it was lifted, which is 500kg * 9.81 m/s^2 * 20m = 98100 J. The power output would then be work done divided by time taken, which is 98100 J / 60 s = 1635 W or 1.64 kW.
A certain car is capable of accelerating at a rate of plus 60 m per s2 How long does it take for this car to go from a speed of 55mi per hr to a speed of 60 mi per hr?
To convert speed from mph to m/s, you need to multiply by 0.447 . So, 55 mph is approximately 24.6 m/s and 60 mph is approximately 26.8 m/s. Given the acceleration of 60 m/s^2, you can calculate the time using the formula: time = (final speed - initial speed) / acceleration, which equals (26.8 - 24.6) / 60 seconds ≈ 0.036 seconds.
Which is travelling faster a cyclist who travels 400m in 20s or a skier who travels 1500m in 1 min?
Cycler's speed = 400/20 = 20 meters per second. Skier's speed = 1500/60 = 25 meters per second. The skier's average speed during his minute is 25% faster than the cyclist's average speed during his 20 seconds.
Most influential person during the 60s?
LeBron
Who drove tanks in Vietnam?
one person was Roy lee Webb who died at least in his 60s.
What radio stations play music from the 60s?
There are many radio stations that play music from the 60s. Examples of radio stations that play music from the 60s includes Live365 Internet Radio and the 60s Radio at TuneIn.
Does multiple sclerosis usually onset at a certain age?
Multiple sclerosis has no certain age that it occurs. It can happen to a person in their 20s or in their 60s.
What were the hip bmx bikes in the 60s?
BMX bikes weren't around in the 60s.
What are the latest Italian fashion style?
The 60s look the 60s style is coming back
Was Laura in her 60s when she started writing her books?
Laura was not in her 60s when she started to write her books.
Did they have micorwaves in the 60s?
no
What was the most popular name in the 60s?
The most popular names in the 60s were Thomas, Charles, and Paul.
How many seconds in 6.6 minutes?
1min = 60s 6.6min x 60s/min = 396s
Is grand hustle crips or bloods?
Crips
How many cars did the average person have in the 1930s?
The average person did not own a car in the 1930s. In 1930 there was around 1 car for every 4 people. The boom in car ownership happened in the 50s & 60s.
