A proton is released such that it has an initial speed of 5.0 105 m/s from left to right across the page. A magnetic field of 1.2 T is present at an angle of 30 to the horizontal direction (or positive x axis). What is the magnitude of the force experienced by the proton? (qp = 1.6 10-19 C)
a. 3.8 10-14 N
c. 4.8 10-14 N
b. 7.5 103 N
d. 1.3 10-19 N
Question 2
A large stone is resting on the bottom of the swimming pool. The normal force of the bottom of the pool on the stone is equal to the:
a. weight of the stone.
b. weight of the water displaced. c. sum of the weight of the stone and the weight of the displaced water.
d. difference between the weight of the stone and the weight of the displaced water.
Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and
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