Bols Help PSI-Physics
Homework 7a
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Ax = v. t + 1/2 at?
70. An object is moving with an initial velocity of 23 m/s. It is then subject to a
constant acceleration of 3.5 m/s2 for 12 s. How far will it have traveled during
the time of its acceleration?

Aswimming pool whose volume is 10 comma 000 gal contains water that is 0.01% chlorine. starting at tequals0, city water containing 0.003% chlorine is pumped into the pool at a rate of 5 gal/min. the pool water flows out at the same rate. what is the percentage of chlorine in the pool after 1 hour? when will the pool water be 0.006% chlorine?

One soccer player (a) is moving at 4 km/h when she kicks the ball while another soccer player (b) is moving at 8 km/h. what statement accurately compares their kinetic energy if they have the same mass? a) both soccer players have the same kinetic energy. b) player b has twice the kinetic energy of player a. c) player b has four times the kinetic energy of player a. d) their kinetic energy can't be compared without knowing their mass.

What about a rubber band, can it change its shape? is it a solid?