Posted by Jon on Sunday, March 30, 2008 at 4:21pm.
7)A car is moving with a uniform speed of 15.0 m/s along a straight path. What is the distance covered by the car in 12.0 minutes?
I don't know
8)What is the resultant of two displacement vectors having the same direction?
The resultant is the sum of the two displacements having the same direction as the original vectors.

Physics(check)  Quidditch, Sunday, March 30, 2008 at 5:02pm
7A:
The speed of the car is 15.0 m/s.
The distance the car cover in 12.0 minutes is:
distance = speed * time
distance in meters = 15.0 m/s * 12.0 minutes * ( (60 seconds)/minute))
8:
Your answer is OK.

Physics(check)  Jon, Sunday, March 30, 2008 at 5:21pm
7)I got 1.08 x 10^1 km

Physics(check)  massy, Monday, September 30, 2013 at 10:10am
A body is launched from the ground and 9.00 seconds later its velocity is 25j+28k m/s. The horizontal range is therefore?
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