(Answered) A 120-v motor has mechanical power output of 250 hp it is

Academics

A 120-V motor has mechanical power output of 2.50 hp. It is 90% efficient in converting power that it takes in by electrical transmission into mechanical power.

(a) Find the current in the motor.

(b) Find the energy delivered to the motor by electrical transmission in 3.00 hrs of operation.

View complete question

Physics, Academics

Category:- Physics
Reference No.:- M9966112
Price:- $20

Verified Expert

Priced at $40 Now at $20, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Physics

Question a proton is accelerated from rest through a

Question: A proton is accelerated from rest through a potential difference V0 and gains a speed v0. If it were accelerated instead through a potential difference of 2V0, it would gain a speed...?

Question rank each satellite based on its periodrank from

Question: Rank each satellite based on its period. Rank from largest to smallest. To rank items as equivalent, overlap them. 1) m=200kg / L=5000 / v=160 m/s 2) m=400kg / L=2500 / v=80m/s 3) m= 800kg / 10,000 m / v=40 m/s ...

What is the centripetal force which acts upon a 588 kg

What is the centripetal force which acts upon a 588 kg race car as it rounds a curve with a radius of curvature of 375 m at 60 m/s? please provide work to explain

Question during your summer internship for an aerospace

Question: During your summer internship for an aerospace company, you are asked to design a small research rocket. The rocket is to be launched from rest from the earth's surface and is to reach a maximum height of 940m ...

Question a physics student uses a force p of magnitude 70n

Question: A physics student uses a force P of magnitude 70N and angle = 50 degrees (with respect to the horizontal) to push a 5.2 kg block across the ceiling of her room, as shown in the figure to the right. The coeffici ...

Question a proton accelerates from rest in a uniform

Question: A proton accelerates from rest in a uniform electric field of 610 N/C. At some later time, its speed is 1.4 106 m/s. (a) Find the magnitude of the acceleration of the proton. m/s2 (b) How long does it take the ...

A 78 g basketball is launched at an angle of 448 and a

A 78 g basketball is launched at an angle of 44.8? and a distance of 15.9 m from the basketball goal. The ball is released at the same height (ten feet) as the basketball goal's height. A basketball player tries to make ...

Question a proton with an initial speed of 600000 ms is

Question: A proton with an initial speed of 600,000 m/s is brought to rest by an electric field. What was the potential difference that stopped the proton? What was the initial kinetic energy of the proton, in electron v ...

Question the particle travels along the path defined by the

Question: The particle travels along the path defined by the parabola y = 0.5x2. If the component of velocity along the x axis is vx = (7t) ft/s, where t is in seconds, determine the particle's distance from the origin O ...

Question pluto moves in a fairly elliptical orbit around

Question: Pluto moves in a fairly elliptical orbit around the sun. Pluto's speed at its closest approach of 4.43 *10^9 km is 6.12 km/s. What is Pluto's speed at the most distant point in its orbit, where it is 7.30 *10^9 ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Physics Expert