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The radius of a park merry-go-round is 2.4 m. To start it rotating, you wrap a rope around it and pull with a force of 260 N for 11 s. During this time, the merry-go-round makes one complete rotation.
(a) Find the angular acceleration of the merry-go-round.
rad/s2
(b) What is the magnitude of the torque exerted by the rope on the merry-go-round?
N·m
(c) What is the moment of inertia of the merry-go-round?
kg·m2
A 2.0 mL syringe has an inner diameter of 4.0 mm, the needle inner diameter of 0.21 mm, and a plunger pad diameter (where you place your finger) of 1.20 cm. A nurse uses the syringe to inject medicine into a patient whose blood pressure is 140/100. S..
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An electron in the hydrogen atom makes a drop from n = 3 to m = 2. What wavelength of photon is emitted
You are walking along a small country road one foggy morning and come to an intersection. While you are crossing, you hear an ambulance siren, At what speed is the ambulance traveling
Explain any advantages in using Conservation of Energy method to determine initial projectile velocity
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