Predicting Distance from Momentum Word Problems. = Δ. Δ. , = 2. , a = Δ. Δ. , = +
at , = V t +. 2 at2, 2 = 2 + 2aΔ , g = −9.8 s. ≈ −10 s sin = , cos = , tan = , a2 + b2 ...
Predicting Distance from Momentum Word Problems
! =
∆! ∆!
, ! =
!! !!! !
, ! =
∆! ∆!
!
!
!
, !! = !! + !" , ! = !! ! + ! !! ! , !!! = !!! + 2!∆! , ! = −9.8 !! ≈ −10 !!
!""
!"#
sin ! = !!" , cos ! = !!" , tan ! =
!"" !"#
, ! + ! = ! , ! = !", ! = !", !! !! + !! !! = !! !!! + !! !!! !
!
!
!! = !!! , !! = !! !"#$, !! = !! !"#$ Round to one decimal place with at least one significant digit. 1.
Victoria releases a 0.25 kg ball down a ramp. The ball left the ramp horizontally and immediately hit and stuck to a 5.4 kg cart. The cart travelled 0.4 m in 6.1 seconds before it stopped. What was the velocity of the ball when it left the ramp?
2.
David releases a 0.12 kg ball down a ramp. He releases the ball 1.2 m above the bottom of the ramp and the ramp provides an acceleration of 4.6
! !!
to the ball. The ball leaves the
ramp horizontally and collides with (and sticks to) an 8.5 kg cart. How far will the cart travel before it stops if the cart accelerates at -1.1
3.
!
!!
after the collision?
Lee is rolling along on her 4.0-kg skateboard with a constant speed of 3.0 off the back and continues forward with a velocity of 2.0 the skateboard to go flying forward with a speed of 15.5 Lee's mass?
! ! ! !
! !
when she jumps
relative to the ground. This causes relative to the ground. What is
