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How much power is needed to do 1200 Joules of work in 90 seconds?
Power is measured in watts, or joules per second. So in 90 seconds, 1200 joules of work is equal to 1200/90 watts or 13.3 watts.
What is the power of a bulb that uses 3 jolts every 10 seconds?
Power is calculated as energy consumed per unit time. If a bulb uses 3 joules of energy every 10 seconds, its power can be calculated using the formula: Power (in watts) = Energy (in joules) / Time (in seconds). Therefore, the power of the bulb is 3 joules / 10 seconds = 0.3 watts.
What is the power of a CD player if it uses 60000 joules for 30 minutes?
To find the power of the CD player, we can use the formula for power, which is energy divided by time. Here, the energy used is 60,000 joules and the time is 30 minutes, which is 1,800 seconds (30 minutes × 60 seconds/minute). Therefore, power = 60,000 joules / 1,800 seconds = 33.33 watts. Thus, the power of the CD player is approximately 33.33 watts.
How much power is to do 180 joules of work in 2.4 sec?
Power is calculated using the formula ( P = \frac{W}{t} ), where ( P ) is power, ( W ) is work, and ( t ) is time. For 180 joules of work done in 2.4 seconds, the power would be ( P = \frac{180 , \text{J}}{2.4 , \text{s}} = 75 , \text{W} ). Therefore, the power required to do 180 joules of work in 2.4 seconds is 75 watts.
If a weightlifter presses 400n weight 0.5m over his head in 2 seconds what is the power of the weightlifter?
Power is calculated using the formula: Power = Work / Time. The work done in lifting the weight can be calculated as Work = Force × Distance, which is 400 N × 0.5 m = 200 Joules. Therefore, the power of the weightlifter is 200 Joules / 2 seconds = 100 Watts.
How much power is needed to perform 600 Joules of work in 120 seconds?
7.5 watts
How long does it take to perform 475 Joules of work with 25 watts of power?
To calculate the time it takes to perform 475 Joules of work with 25 watts of power, you use the formula: time = work / power. In this case, time = 475 Joules / 25 watts = 19 seconds. So, it will take 19 seconds to perform 475 Joules of work with 25 watts of power.
How long does it take to perform 500 Joules of work with 25 watts of power?
To find the time taken to perform 500 joules of work at a power of 25 watts, you divide the work by the power. In this case, 500 Joules / 25 watts = 20 seconds. Therefore, it would take 20 seconds to perform 500 Joules of work with 25 watts of power.
When calculating power what 2 pieces of information are needed?
Work done (joules) and time taken (seconds) is the information needed to calculate power in watts (joules/second).
How much power in needed to produce 1700 Joules in 5 seconds?
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.
How much power is needed to do 1200 Joules of work in 90 seconds?
Power is measured in watts, or joules per second. So in 90 seconds, 1200 joules of work is equal to 1200/90 watts or 13.3 watts.
How much power is needed to perform 600 Joules of work in 150 seconds?
Power = Work / time= 600 J / 150 secPower = 4 J/s or 4 Watts (1 Watt = 1 J/s)
How much power is necessary to do 60 joules of work in 20 seconds?
The power required to do 60 joules of work in 20 seconds is determined by the formula: Power = Work / Time. Therefore, Power = 60 joules / 20 seconds = 3 watts. So, 3 watts of power is necessary to do 60 joules of work in 20 seconds.
What is the time taken by a body to perform 440 Joules of work at rate of 11 watt?
11 watts = 11 joules per second(440 joules) / (11 joules per second) = 40 seconds
How long does it take to perform 480 Joules of work with 20 watts of power?
To calculate the time taken to perform work with a certain amount of power, you can use the formula: time = work / power. In this case, the time taken to perform 480 Joules of work with 20 watts of power would be 480 J / 20 W = 24 seconds.
What is the speed at which energy is transfered?
That is called "power". Energy / time = powerIn SI units: Joules / seconds = WattsThat is called "power". Energy / time = powerIn SI units: Joules / seconds = WattsThat is called "power". Energy / time = powerIn SI units: Joules / seconds = WattsThat is called "power". Energy / time = powerIn SI units: Joules / seconds = Watts
How much power us necessary to do 50 joules of work in 5 seconds?
The power needed to do 50 joules of work in 5 seconds is calculated by dividing the work by the time, which equals to 10 watts. So, 10 watts of power is required to do this amount of work in the given time frame.
