Jasper takes two books of mass m1 and m2 off the floor and places them on a shelf at height h. The change in potential energy of the book with mass m1 is four times that of the book with mass m2 . What is the relationship between m1 and m2?
a. m1 = 0.25m2
b. m1 = 0.5m2
c. m1 = 2m2
d. m1 = 4m2
d
You might also like to view...
A lapping disk travels at 30 m/s over a surface to be lapped and polished. The lapping compound acts like water with the same properties as water. Determine the maximum lapping compound temperature.
The scarcity of what isotope is a critical test of the density of the present cosmos?
A) carbon 14 B) deuterium C) helium 3 D) helium 4 E) lithium 5
A 0.50-kg mass attached to the end of a string swings in a vertical circle (radius = 2.0 m). When the mass is at the highest point of the circle the speed of the mass is 8.0 m/s. What is the magnitude of the force of the string on the mass at this position?
A. 21 N B. 11 N C. 16 N D. 26 N E. 36 N
The secondary coil of an ideal neon sign transformer provides 7500 V at 10.0 mA. The primary coil operates on 120 V. What current does the primary draw?
A) 0.625 A B) 0.625 mA C) 0.160 A D) 1.66 A