physics
- 👍
- 👎
- 👁
- ℹ️
- 🚩
-
- 👍
- 👎
- ℹ️
- 🚩
Respond to this Question
Similar Questions
-
physics
A labourer raises a load of mass 120kg by using a system of 6 pulleys he exert a force of 400N 400N on the rope calculate -
physics
2. At time t =0, the current to the dc motor is reversed, resulting in an angular displacement of the motor shaft given by θ = (198 rad/s)t – (24 rad/s2)t2 – (2 rad/s3)t3 a. At what time is the angular velocity of the motor -
PHYSICS
Starting from a pillar, you run a distance 200 m east (the + x-direction) at an average speed of 5.0 m/s, and then run a distance 280 m west at an average speed of 4.0 m/s to a post. Q: Calculate your average velocity from pillar -
energy conversion
A 5hp 230volt shunt motor takes 18 amp when operating at full load. The Shunt-field resistance is 115ohms and the armature resistance is 0.25 ohm. calculate the value of the starter resistor if the armature current is limited to
-
Physics
A 500 kg elevator starts from rest. It moves upward for 4.00 s with constant acceleration until it reaches its cruising speed, 1.75 m/s. (a) What is the average power of the elevator motor during this period? (b) How does this -
Physics
A motor is rated to deliver 10.0kW. At what speed can this motor raise a mass of 2.75x10^4kg? -
Physics
An elevator m=800kg has a maximum load of 600kg the elevator goes up 30m at a constant speed of 4ms_¹ what is the average power output of the elevator motor if she elevator is fully loaded with it's maximum m weight (neglect -
physics
Olympic champion Justin gaitlin set a new world record for 100.0 m sprint at the last lympics by clocking 9.86 s for the race.Calculate a)His average speed for the race b)Assuming that he accelerated uniformly for the first 4.86 s
-
physics
In 2.0 minutes, a ski lift raises 4 skiers at constant speed to a height of 170 m. The average mass of each skier is 65 kg. What is the average power provided by the tension in the cable pulling the lift? -
Pysics
A small motor runs a lift that raises aload of bricks weighing 836N to a height of 10.7m in 23.2s. assuming that the bricks are lifted with constant speed, what is the minimum power the motor must produce? -
College Algebra
A truck driver traveled at an average speed of 55 miles per hour on a 200 mile trip to pick up a load of freight. On the return trip(with the truck fully loaded), the average speed was 40miles per hour. What was the average speed -
science
A machine raises a load of 600N through a height of 1.5m when an effort of 100N moves a total distance of 20m.(a) calculate the work done in raising the load.(b) what is the mechanical advantage of the machine?(c) calculate the
Still need help? You can ask a new question.