1. One type of BB gun uses a spring-driven plunger to blow the BB from its barrel.(a) Calculate the force constant of its plunger's spring if you must compress it 0.2 m to drive the 0.055kg plunger to a top speed of 25 m/s.k=N/m(b) What is the magnitude of force that must be exerted to compress the spring?Neglect any dissipative forces.F=NThink & Prepare1. What is the amplitude of the plunger?ChallengeThere are two ways to solve this problem. Can you figure out both?

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1. One type of BB gun uses a spring-driven plunger to blow the BB from its barrel. (a) Calculate the force constant of its plunger's spring if you must compress it 0.2 m to drive the 0.055 kg plunger to a top speed of 25 m/s. k= VN/m (b) What is the magnitude of force that must be exerted to compress the spring? Neglect any dissipative forces. F= N Think & Prepare 1. What is the amplitude of the plunger? Challenge There are two ways to solve this problem. Can you figure out both?

1. One type of BB gun uses a spring-driven plunger to blow the BB from its barrel. (a) Calculate the force constant of its plunger's spring if you must compress it 0.2 m to drive the 0.055 kg plunger to a top speed of 25 m/s. k= VN/m (b) What is the magnitude of force that must be exerted to compress the spring? Neglect any dissipative forces. F= N Think & Prepare 1. What is the amplitude of the plunger? Challenge There are two ways to solve this problem. Can you figure out both?