Multiple Choice
The only force acting on a 1.8-kg body as it moves along the x axis is given by Fx = -(3.0x) N,where x is in m.If the velocity of the body at x = 0 is vx = +8.0 m/s,at what value of x will the body have a velocity of +4.0 m/s?
A) 5.7 m
B) 5.4 m
C) 4.8 m
D) 4.1 m
E) 6.6 m
Correct Answer:

Verified
Correct Answer:
Verified
Q6: For the potential <span class="ql-formula"
Q7: The horizontal surface on which the block
Q9: A force acting on an object moving
Q10: Two vectors <span class="ql-formula" data-value="\overrightarrow
Q12: Two vectors <span class="ql-formula" data-value="\overrightarrow
Q13: A 2.5-kg object falls vertically downward in
Q15: Cubical blocks of mass m and
Q16: If the resultant force acting on
Q36: A 30-kg child sitting 5.0 m from
Q44: The force a spring exerts on a