Question 1 (2 points) When exercising, try to hold your breath, do not breath steadily. Your muscles do not need oxygen and will not get it When if you do not hold your breath True False

When the velocity of an object is doubled, by what factor is its momentum changed? by what factor is its kinetic energy changed? a) the momentum is zero. b) the momentum is not zero. c) difficult to say.

Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity

Eddy whose mass is 55kg climbs up the 1.50 meter high stairs in 2s.calculate eddy’s power rating