+61-413 786 465
info@mywordsolution.com
Home >> Physics
Problem: The elevator of a large building is designed to raise a net mass of 400 kg at a constant speed of 12 m/s using an electric motor.
Part A: Find the minimum power rating of the motor in kW.
Please provide correct solution for above problem.
Physics, Academics
A car moves with a constant speed of 60 mph. What is the apparent weight of a 70 kg passenger when the car is at the bottom of a dip with a radius r = 100 m? m*g = N + (m*v*v/r) (70kg)(9.8) = N +(70kg)(26.82m/s)(26.82m/s ...
Question: A plastic rod is charged to -20 by rubbing. a. Have electrons been added to the rod or protons removed? Explain. b. How many electrons have been added or protons removed? The response must be typed, single spac ...
Quesiton: You are testing a new amusement park roller coaster with an empty car with a mass of 108kg. One part of the track is a vertical loop with a radius of 12.0m. At the bottom of the loop (pointA) the car has a spee ...
Question: A particle with a charge of ? 5.10nC is moving in a uniform magnetic field of B= -(1.25T)k. The magnetic force on the particle is measured to be: F = - (3.60*10^-7N) i + (7.60*10^-7N) j. Part A: Are there compo ...
What is the (magnitude of the) velocity of a rollercoaster at the bottom of a track that is 89.8 m high if it starts from rest? (Use the value g = 9.8 m/s2 for the acceleration of gravity.) Please provide work to explain
Question: A proton with an initial speed of 800000 m/s is brought to rest by an electric field. Part A- Did the proton move into a region of higher potential or lower potential? Part B - What was the potential difference ...
Question: A plastic rod that has been charged to -15 nC touches a metalsphere. Afterward, the rod's charge is -10 nC. a. What kind of charged particle was transferred between the rodand the sphere, and in which direction ...
Question: A sump pump is draining a flooded basement at the rate of 0.500 L/s, with an output pressure of 3.00 ✕ 105 N/m2. Neglect frictional losses in both parts of this problem. (a) The water enters a hose with a 3.0 ...
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 student is working in an optics lab and has a light bulb which is 90 cm from a screen. She needs to make a real image of the bulb on the screen and she has a positive lens with a focal length of 12.5 cm. Find ...
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.
Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As