Power Output. In each case, find your average power in watts. Assume that riding a bike burns 100 Calories per mile. If you ride at a speed of 20 miles per hour, what is your average power output, in watts?

Q: car is moving towards a ramp at a speed of 9.0m/s, as shown below. The length of the ramp (not the…

A: speed of car (u) = 9 msLength of ramp (L) = 12 m efficiency (e) = 71% θ = 12o

Q: A bucket begins weighing 10 pounds, including the sand it holds. The bucket is to be lifted to the…

A: Conversion unit:1 ms2=3.28 foots2 Given: m=10 pounds mass leaking per meter= 0.3 x g=32.144 Foots2…

Q: MULTIPLE CHOICE. Solve the following problems. Click your final answer among the choices. 7) A 60-kg…

A: Powe is rate of work done.

Q: I have 72 lightbulbs in my house. 53 of these lightbulbs are 65 watt and the other 19 lightbulbs are…

A: Determine the energy used in 1 year by 53 bulbs of 65 watts as follows.

Q: You lift a 1 kg object from the floor to the top of a 1.5 m high table. 1. What is the force needed…

A: Given: The mass of the object is 1 kg. The dsiplacement of the object is 1.5 m from floor to top of…

Q: Question 8 30 kg Michaela is swinging on a swing. Her total mechanical energy is 600 J. At what…

A:

Q: Compute the work done 'on the system in Figure c from V = 2.00 m to V = 3 m. = M 3 3 Compute the…

A: using the formula of work

Q: 2. The bar graph shows the energy of a skater in a U-shaped skate park. Where could the skater be on…

A: Solution- From energy bar graph kinetic energy of skater is greater than potential energy of the…

Q: A 1,100 kg horse is walking at 3.0 m/s. How much energy does the horse have? Your answer: O 1,700J O…

A:

Q: 25. An engine is 99% efficient. How much work could an engine that runs at 888 J produce? O 800 J O…

A: Efficiency of the engine,  Heat supplied to the engine,

Q: How much time will be required to perform 520J of work at the rate of 2O W? * 26 s 24s 14 s 16s

A: Given, work=520 Power=20W Let time be t sec

Q: According to the Law of Conservation of Energy, energy can never be destroyed, but merely…

A: Mass of object = 1 kg  Distance to which object is lifted upwards = 5 m  Force applied in upward…

Q: 1.Explain how you would calculate the power developed by any object, the rate at which energy is…

A:

Q: A 75 kg man is travelling at 8.2 m/s on a skateboard at the top of a hill that is 12 m tall. How…

A: Change in potential = -change in kinetic energy mgh = 12m(v2-u2) 9.8x 12 = 0.5x(v2-8.22) v=…

Q: Work done on a system puts energy into it. Work done by a system removes energy from it. Give an…

A: Work done and work by the system

Q: Q3. A 7kg bowling ball moves at 3m/s. How fast must a 2.45g Ping-Pong ball moves so that the two…

A: