A laser is thrown upward with a speed of 12 m/s on the surface of planet X where the acceleration due to gravity is 1.5 m/s2 and there is no atmosphere. What is the maximum height reached by the laser?
A) 8.0 m
B) 18 m
C) 48 m
D) 144 m
C
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A physics professor places a soda pop can on the table and asks a student to identify the forces acting upon the can and the directions of each force. The two forces acting on the soda pop can are
A. the weight force upward and normal force from the table upward. B. the weight force downward and normal force from the table upward. C. the weight force upward and normal force from the table downward. D. the weight force downward and normal force from the table downward.
An alpha particle is like with 2 protons and 2 neutrons, whereas a beta particle is equivalent to hydrogen
a. True b. False Indicate whether the statement is true or false
The sulfur hexafluoride molecule consists of one sulfur atom and six fluorine atoms. The atomic masses of sulfur and fluorine are 32.0 u and 19.0 u, respectively. One-half mole of this very heavy gas has what mass?
a. 32 g c. 146 g b. 73 g d. 608 g
Any particle with spin obeys the Pauli exclusion principle
Indicate whether the statement is true or false