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 rescue helicopter lifts a 75 kilogram person straight up by means of a cable. The person has an upward acceleration of 0.70 m/s2 and is lifted from rest through a distance of 12 meter.
(a) Determine what is the tension in the cable?
N
(b) Determine how much work is done by the tension in the cable?
J
(c) Determine how much work is done by the person's weight?
(d) Use the work-energy theorem and determine the final speed of the person.
m/s
if 400 kcal is added to a gas that expands and does 1000 kj of work what is the change in the internal energy of the
A 0.629-nm photon collides with a stationary electron. After the collision, the electron moves forward and the photon recoils backwards. Find the momentum of the electron
A 4.0 kg block is on horizontal table attatched to a 6.0 kg block hanging from frictionless pulley. what is the acceleration of the system
A racing dog is initially running at 18.0 , but is slowing down. By what fraction has its kinetic energy been reduced
How many 111 W lightbulbs can you use in a 107 V circuit without tripping a 16 A circuit breaker? (The bulbs are connected in parallel, that means that the potential difference across each lightbulb is 107 V.)
a motorcycle rider starts from rest and goes 3.75 rad counterclockwise around a circular track in 12.3 seconds.
a pipe tapers from a diameter of 0.5 m at the inlet to a diameter of 0.25 m at the outlet and turns by an angle of 45
A cylindrical brass rod (cross-sectional area = 1.3 x10-5 m2) hangs vertically straight down froma ceiling. By how many degrees must the temperature be lowered
you compress a spring with k3000 nm a distance of 0.3m with a block of mass 4kg. after you compress the spring you
A 0.00275-kilogram air inflated balloon is given an excess negative charge, q1 = -3.50 × 10-8 C, by rubbing it with a blanket. what polarity of charge must the rod possess
A typical capacitor in an MP3 player has C = 0.10µF. If a charge ±4.3µC is placed on the plates, what is the voltage across the capacitor?
Two tugboats pull a disabled supertanker. Each tug exerts a construct force of 2.00 x 10^6 N, What is the total work done by the two tugboats on the supertanker
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