of 800 m/s is shot into a wooden block and penetrates 20 cm before stopping.
2( 9.8 m s2). = 5.05!m. 27. A child and sled with a combined mass of 50.0 kg slide
A ruler is particularly useful for measuring horizontal distances on sloping ground.
20 cm and then re- leased. How far along the incline does it send the block? 4m. M lik .20. WO . 23
circular path at a constant speed?
far down the incline the block slides before stopping. The plane is
20 Rachel has been reading her physics book.
position (cm)
Assume that the incline has an angle of inclination of θ degrees and that it is
2.00. = 3.11 m s. (b) How far does the block travel up the incline before starting to slide back down?