Amerry-go-round has a radius of 2.6 m and a moment of inertia 857 kg · m2. a boy of mass 44 kg runs tangent to the rim at a speed of 5.0 m/s and jumps on. if the merry-go-round is initially at rest, what is the angular velocity (in rad/s) after the boy jumps on? (enter the magnitude.)
Answers: 2
Physics, 22.06.2019 12:00, P4thing
Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?
Answers: 3
Physics, 22.06.2019 14:00, meleaallison
Amass attached to a spring is displaced from its equilibrium position by 5cm and released. the system then oscillates in simple harmonic motion with a period of 1s. if that same mass–spring system is displaced from equilibrium by 10cm instead, what will its period be in this case? a mass attached to a spring is displaced from its equilibrium position by and released. the system then oscillates in simple harmonic motion with a period of . if that same mass–spring system is displaced from equilibrium by instead, what will its period be in this case? a) 0.5sb) 2sc) 1sd) 1.4s
Answers: 2
Physics, 22.06.2019 23:30, elizabethhubbe
Which statement correctly describes the interaction between magnetic poles? north and south poles attract each other. north and south poles repel each other. two north poles will attract each other. two south poles will attract each other.
Answers: 1
Physics, 23.06.2019 01:00, rachelvasky9
How much work would it take to move a coulomb charge across a 4 volt potential difference?
Answers: 2
Amerry-go-round has a radius of 2.6 m and a moment of inertia 857 kg · m2. a boy of mass 44 kg runs...
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