ASSIGNMENTS
COURSES
Assignment - 1. Pre-Test
Attempt 1 of 1
SECTION OF
QUESTION 8 OF 26
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A pulley is used to lin a heavy mass from the floor to a platform. The IMA of the system is 5 and the AMA is 2.5. What is
the efficiency of the system?
50%
75%
200%

Ablock of mass 1.5 kg slides down an inclined plane that has an angle of 15. if the inclined plane has no friction and the block starts at a height of 3 m, how much kinetic energy does the block have when it reaches the bottom? acceleration due to gravity is g = 9.8 m/s2. a. 6.8 j b. 50.9 j c. 0 j d. 44.1 j

Could someone me find the answer to this problem.

What will a positive and a negative charge do if they are separated from each other?