1. Determine the
of Sig Figs
number of sig figs in each of the following:
2. Perform t
1. A rock thrown vertically downward from a window at 5.24 m/s
hits the ground after 3.25 s. ( a ) How high is the window ? ( b )
How fast is the rock traveling when it hits the ground ?
A car moving horizontallY at 30. Km/hr goes off a cliff and hits 22
meters from the base of the cliff. How high is the cliff ?
A projectile is fired at an angle of 42.0' ( above the horizontal ) with a
The 1986 explosion of the space shuttle occured 74 s after lift off. At
that time' mission control reported a shuttle speed of gg0 m/s. what was
the shuttle's average acceleration during the flight ?
BBg = D +
1. A car is traveling down the road at 100. km/hr.
The driver spots a deer
in the road 100. meters ahead and applies the brakes. lf the vehicle comes
to a complete stop just before hitting the deer (the car stopped in 10
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) An object is moving with constant non-zero acceleration in the +x axis. The velocity
time graph of this object is
A) a straight
Ph-1,si". Chapter 7
r. Find the center of mass of a uniform 2.5 rn, go. kg seesaw with a 40. Kg person on one side and a 30.
Kg person on the other side.
Lt ct3:.a 4S &
z. Two people
are standing on a no
Physics Ch 4
1. A 400. Kg piano is being pushed up a 16p incline at a constant speed. If the coefficient of
friction ts 0.257, find the force required to move the piano.
?cfw_ - )61 _L -+$;
tin lk= th
Physics Chapter 1 Test
Short Answer / Discusion Questions
1. Give 3 quantities and their
base units in the metric system.
Uclnfh - rncfw_+tnJ
+Lnuip K*hvn t
2. Write the following four words in the order in which they happ
Physics Ch 9 and 13 Review Sheet
a bridge and the company that makes
expansion joints will
only make a 2.00 foot joint, assuming that this is a new type of bridge made
out of magnesium that must withstand a temperature range of -25.0 "C to 55