A Particle of Unknown Mass Has a Momentum of 73

question 20

Multiple Choice

A particle of unknown mass has a momentum of 73 kg · m/s.At a time 7.3 s later,the momentum of the particle is 38 kg · m/s.What is the magnitude of the force acting on the particle during the interval,assuming the motion is in a straight line?

• A)It cannot be determined because the mass of the particle is not given.
• B)4.8 N
• C)10 N
• D)5.3 N
• E)9.4 N

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Definitions:

Scorpions

Arachnids known for their venomous stings, eight legs, and distinctive extended body with a segmented tail.

Spiders

Arthropods belonging to the class Arachnida, characterized by eight legs, silk-producing spinnerets, and a two-part body consisting of a cephalothorax and abdomen.

Winged Invertebrates

Invertebrate animals that possess wings, allowing them to fly; includes insects and some species of arachnids.

Hymenoptera

An order of insects that includes wasps, bees, and ants, characterized by two pairs of wings and a constriction between the abdomen and thorax.