Answer to Question #72749 in Physics for Hanson Stanley

Question

Question 6 : The scalar product of any two vectors at right angles to each other is always
90
zero
None of these
1
Question 7 : If you run on a winding path from point A to point B and travel a distance of 240m in 20sec then your average speed is
16m/s
12m/s
20m/s
6m/s
Question 8 : The dimension of coefficient of linear expansion is
K
degrees
L
Lxdegrees
Question 9 : Newton's second law states that the rate of change of momentum is directly proportional to the
pressure
energy
force
power
Question 10 : In a circular motion which of the following quantities is constant
velocity
mass
accelaration
time