A 70-kg stunt artist rides in a rocket sled which slides along a flat inclined surface. At an instant when the sled's acceleration has a horizontal component of 6.0 m/s2 and a downward component of 2.8 m/s2, what is the magnitude of the force on the rider by the sled?
a.
0.83 kN
b.
0.98 kN
c.
0.65 kN
d.
0.68 kN
e.
0.72 kN
c
Physics & Space Science
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