Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
(a) Calculate the energy in kcal used by a 50-kg woman who does 53 deep knee bends in which her center of mass is lowered and raised 0.400 m. (She does work in both directions.) You may assume her efficiency is 20%. kcal
(b) What is the average energy consumption rate in watts if she does this in 3.00 min?
Two insulated wires, each 2.90 m long,are taped together to form a two-wire unit that is 2.90 m long. One wire carries a current of 7.00 A;the other carries a smaller current I in the opposite direction. The two wire unit is placed at angle of 51...
In a certain oscillating LC circuit the total energy is converted from electric energy in the capacitor to magnetic energy in the inductor in 1.30 µs. What is the frequency of oscillation
A toy car with mass of m=166 GRAMS crashes into a spring with constant k=45 N/m. If the car was going v=1.5 m/s, then how far will the spring compress.
A brick is thrown upward from the top of a building at an angle of 20° to the horizontal and with an initial speed of 10 m/s. how tall is the building
A point charge Q = 6.30 x 10-6 C is at the center of a conducting spherical shell of radius R = 18.50 cm. The total charge of the shell is -6.30 x 10-6 C. What is the field just outside the shell
An object with a net charge of 44 µC is placed in a uniform electric ?eld of 554 N/C, directed vertically. The acceleration of gravity is 9.81 m/s^2. What is the mass of this object if it ?oats in this electric ?eld?
The speed of sound at 0oC is 331 m/s. At another temperature, the speed of sound is measured to be 343 m/s. Evaluate what is this temperature
NASA sends a new satellite to study Mars. The satellite orbits Mars in uniform circular motion with a velocity of 2.3 km/s, and an orbital period of 6.07 hours. What is the radius of the satellite orbit
A piece of iron is heated with a torch to a temperature of 648 K. How much more energy does it emit as blackbody radiation at 648 K than it does at room temperature, 291 K?
An airplane is flying with a velocity of 93at an angle of 25 above the horizontal. When the plane is a distance 103 directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.
Waly Whacko claims to have invented a heat engine that will revolutionize industry. It runs between a hot source at 300oC and a cold sink at 25oC. What is the actual maximum efficiency of his engine
Two disks are mounted on frictionless bearings on the same axle and can b brought together so that they can couple and rotate as one unit. what is the angular speed after coupling
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd