30000
A gram of C4 explosive produces approximately 6,700 joules of energy when detonated.
A 3000 W water heater is 3 kW water heater. For 30 minutes of operation it would be 3 kW multiplied by 0.5 hours, or 1.5 kWh. One kWh is equal to 3,600,000 Joules, the water heater uses 1.5 times 3,600,000 J, or 5,400,000 J.
1 Watt = 1 Joule/second 1 kilowatt = 1000 Watts = 1000 Joules/second 1 hour = 60 minutes = 3600 seconds 1 kWh = 1000 (Joules/second) * 3600 (seconds) = 3,600,000 Joules = 3.6 MJoules
The work done by an electric mixer can be calculated by multiplying the power (500 watts) by the time (2.50 minutes) in seconds. First, convert the time to seconds: 2.50 minutes = 150 seconds. Then, calculate the work done: Work = Power x Time = 500 watts x 150 seconds = 75,000 joules.
First, calculate the power of the electric heater using the formula P = I^2 * R, where I is the current and R is the resistance. P = 5^2 * 50 = 1250 watts. Convert the time from minutes to hours: 5 minutes = 5/60 hours = 1/12 hours. Calculate the energy used by the electric heater using the formula E = P * t, where t is the time in hours. E = 1250 * (1/12) = 104.17 watt-hours. Convert the energy to kilojoules by dividing by 3600 (since 1 watt-hour is equal to 3600 joules): 104.17 / 3600 = 0.029 kilojoules.
The amount of heat produced by the 100 W heater in 5 minutes can be calculated as follows: Power (in watts) = 100 W Time (in seconds) = 5 minutes * 60 seconds/minute = 300 seconds Energy = Power * Time = 100 W * 300 s = 30,000 joules So, the heater will produce 30,000 joules of heat.
A gram of C4 explosive produces approximately 6,700 joules of energy when detonated.
The power needed to cut a lawn in 50 minutes, given that the work done is 100,000 joules, can be calculated by dividing the work by the time. 100,000 joules of work in 50 minutes is equivalent to 33.33 watts of power.
A 3000 W water heater is 3 kW water heater. For 30 minutes of operation it would be 3 kW multiplied by 0.5 hours, or 1.5 kWh. One kWh is equal to 3,600,000 Joules, the water heater uses 1.5 times 3,600,000 J, or 5,400,000 J.
(600 Watts) x (4 minutes) = (600 joules per second) x (240 seconds) = 144,000 joules =144 kilojoules
Since power is defined as energy/time, if you solve for energy, you get:energy = power x timeIf the time is in seconds and the power in watts, the energy is in joules.
The power needed can be calculated using the formula: Power = Energy / Time. Plugging in the given values, the power required to produce 1700 Joules in 5 seconds is 340 Watts.
1 Watt = 1 Joule/second 1 kilowatt = 1000 Watts = 1000 Joules/second 1 hour = 60 minutes = 3600 seconds 1 kWh = 1000 (Joules/second) * 3600 (seconds) = 3,600,000 Joules = 3.6 MJoules
If you can stuff the 780 Joules of energy through the system in 0.0052 second,then the power during that time is780/0.0052 = 150,000 watts.But it only lasts for that 5.2 milliseconds, and then you're out of joules.
The efficiency is 80%. To find the efficiency, 400/500 = 80%.
Power = energy/timeWatts = joules/seconds(79.3 joules/37.2 minutes) x (minute/60 seconds) = 0.03553 watt= 35.53 mW = +15.5 dBm (rounded)====================To answer the question:(79.3 joules/37.2 minutes) x (minute/60 seconds) x (horsepower/745.7 watts) = 0.0000476 HP (rounded)47.6 microhorsepower(power output of 47.6 microhorses)
Joules = watts x seconds. Just convert the minutes to seconds, then multiply.