Apoint charge of 6.8 c moves at 6.5 × 104 m/s at an angle of 15° to a magnetic field that has a field strength of 1.4 t.
what is the magnitude of the magnetic force acting on the charge?

a. 1.6 × 10^–1 n
b. 6.0 × 10^–1 n
c. 1.6 × 10^5 n
d. 6.0 × 10^5 n

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2

Aforce of 6600 n is exerted on a piston that has an area of 0.010 [tex]m^{2}[/tex]. what area is rewired for a second piston to exert a force of 9900 n? use [tex]\frac{f_{1} }{a_{1} } = \frac{f_{2} }{a_{2} }[/tex]a. 0.0015 [tex]m^{2}[/tex]b. 66 [tex]m^{2}[/tex]c. 150 [tex]m^{2}[/tex]d. 0.006 [tex]m^{2}[/tex]

An instrument is thrown upward with a speed of 15 m/s on the surface of planet x where the acceleration due to gravity is 2.5 m/s2 and there is no atmosphere. how long does it take for the instrument to return to where it was thrown?