1 pts Question 3 How much potential energy (J) does a 2000 kg car possess relative...
8. (10 pts) Given a crate of mass 2000 kg: a. How much work is done in raising the crate 6 meters above the floor? b. What will the crate's potential energy be at that height:
8. (10 pts) Given a crate of mass 2000 kg: How much work is done in raising the crate 6 meters above the floor? а. What will the crate's potential energy be at that height? b.
8. (10 pts) Given a crate of mass 2000 kg: 2. How much work is done in raising the crate 6 meters above the floor b. What will the crate's potential energy be at that height?
Question 28 1 pts What is the gravitational potential energy of a 1- kg block at rest on a table 1 m above the floor? 01 9.8 O 32 O 11.8) 00 Question 29 1 pts A particle is moved from point A to point B against a conservative force. Which statement is true about the work done? O cannot be recovered by moving it from B to A O does not depend on the path taken between A and...
How much potential energy does a 25 kg pumpkin have when it is 17 meters above the ground?
Question 4 1 pts You pick up a textbook, with a mass of 0.5 kg. You lift the book off your desk a distance of 0.5 m, carry it 5 m horizontally, and then place it on the floor. The top of your desk is 1 m above the floor. The total change in gravitational potential energy of the book and Earth is 4.9 0 -4.9 2.45 0-245/ 7.35 22.05J -22.05
Question 31 1 pts A 1.0-kg ball falls to the floor. When it is 0.70m above the floor, its potential energy exactly equals its kinetic energy. How fast is it moving at this moment? 0 3.7 m/s 6.9 m/s 14m's 45m's Question 32 1 pts The more powerful the motor is, the: O longer the time interval for doing the work is shorter the time interval for doing the work is O greater the ability to do the work is...
Question 12 1 pts How much thermal energy (in 10ⓇJ) is required to boil 2.25 kg of water at 100.0°C into steam at 145.0°C? The latent heat of vaporization of water is 2.26 X 100 J/kg and the specific heat of steam is 2010 J/kg °C. (Answer should have three significant digits. Do not include the exponential part. Example: Fill in the blank ___x 106 J).
QUESTION 1 10pts a) How much energy must you use to push a heavy, 1000N, crate across a 20m floor with a force of SOON?(use 2 digits) b) Now you are going to lift the crate and carry it 43m across the room to place it on a shelf that is 1.3m above the floor. How much work is done now? TTT Arial 3 (12pt) T- E - E Path:p