A 4.0-C charge is situated at the origin of an xy-coordinate system. What is the potential difference between a point x1 = 2.0 m and another point x2 = 5.0 m because of this charge?
A) - 11 103 V
B) 11 103 V
C) - 33 103 V
D) 33 103 V
E) 0 V
Question 2
A hockey puck slides off the edge of a table with an initial velocity of 20.0 m/s. The height of the table above the ground is 2.0 m. What is the magnitude of the vertical component of the velocity of the puck just before it hits the ground?
A) 20.0 m/s
B) 6.26 m/s
C) 12.5 m/s
D) 19.6 m/s
E) 21 m/s
The respiratory system
Anatomy of the urinary system.
The Hazardous Materials Identification System is used to label containers that hold hazardous ...
Anatomy of Digestive System
A system absorbs 623 J of heat while doing 457 J of work. What is the value of U?
Potential energy