How much work does gravity do on the book
A 1.8 book is lying on a 0.70 -high table. You pick it up and place it on a bookshelf 2.3 above the floor.
1. How much work does gravity do on the book?
2. How much work does your hand do on the book?
Now Priced at $5 (50% Discount)
Recommended (95%)
Rated (4.7/5)
Question: Gas is contained in an 8.05 liter vessel at a temperature of 18.5 deg C and a pressure of 8.47 atm. Determine the number of moles of gas in the vessel.
Question: The ice cap at the North Pole has an area of about 6E6 km^2 and an average thickness of 25.0 m. If all of this ice melts, what is the approximate effect on the Earth's rotation rate?
A resistance of 240 omega , and a capacitance of 7.29 micro F carries an rms current of 0.445 A with a frequency of 392 Hz. What is the power factor for this circuit.
A boy on a skateboard coasts along at 6.0 m/s. He has a ball that he can throw at a speed of 10 m/s. What is the ball's speed relative to the ground if he throws the ball forward?
A 1.8 book is lying on a 0.70 -high table. You pick it up and place it on a bookshelf 2.3 above the floor. How much work does gravity do on the book?
Facing the axle, a 23.0kg child hops onto the merry-go-round and manages to sit down on its edge. What is the new angular speed of the merry-go-round?
A solid disk is released from rest and rolls without slipping down an incline plane that makes an angle of 25degrees with the horizontal. What is the Speed of the disk after it has rolled 3.0m, measured along the plane?
Big Ben, the Parliament Building tower clock in London, has hour and minute hands with lengths of 2.70 m and 4.50 m and masses of 60.0 kg and 100 kg, respectively. Calculate the total angular momentum of these hands about the center point.
What is the rotational kinetic energy about its center of mass?
1959113
Questions Asked
3,689
Active Tutors
1457813
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Question: How will minerals orient when a rock is put under normal stress? random to the direction of the greatest stress parallel
Select the correct statement(s) about lenticular clouds. Lenticular or lens-shaped clouds indicate unstable air with severe turbulence.
You have just crossed a front while flying from Independence Municipal Airport to Cessna Aircraft Field in Wichita. Select the true statement(s).
Question: The weather briefer has forecast that there will be stable air rising up the slopes along your route of flight.
Winds aloft generally rotate around areas of high and low pressure. Select the reason(s) winds at the surface travel
Question: A satellite with a four-day temporal resolution passes over your house on January 2
I have study static model Alamein Dolomite Reservoir western desert Egypt , i have ten wells have GR log, Resistivity