A210 kg meteoroid is heading toward the earth accelerates by 2.4 × 105 m/s2.

according to newton's second law of motion, what is the size of the force that must have acted to change the motion of the meteoroid?

a.
87.5 n

b.
5.04 × 107 n

c.
8.75 × 10-4 n

d.
1.14 × 103 n

show your

A-4.60 μc charge is moving at a constant speed of 6.80×105 m/s in the +x−direction relative to a reference frame. at the instant when the point charge is at the origin, what is the magnetic-field vector it produces at the following points.

An athlete is holding 24 lb of weights at a height of 6 inches above the stack as shown. to lower the weights, she applies a constant force of 5 lb to the handle. determine the velocity of the weights immediately before they hit the stack.

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