Posts by mansi

Total # Posts: 12

phy211
A car accelerates from rest at 2.0 m/s2 for 20 s. The speed then remains constant for 20 s, after which the car slows down with an acceleration of 3 m/s2 until the car stops. What is the total distance traveled?

Math
2tan^-1(tanx/2×tan(?/4-y/2))=tan^-1(sinx×siny/cosx+cosy)

science
a man throws a ball of mass 0.5kg vertically upwards with a velocity of 25 m/s.find:[a}the initial momentum of the ball{b}momentum of the ball at the half way mark of the maximum height {given g=10 m/s square}

science
if there is 63 protons,89 neutronsand 60 electrons so what is his net charge

Math
x=8 is number of foul shots 21-x = 21-8 = 13 is the number of two pointer shots.

math
The ratio of the radii of two circles is 2:3. find the ratio of their circumferences and the ratio of their areas

math
The ratio of the radii of two circles is 2:3. Find the ratio of their circumference and the ratio of their areas

math
construct a rectangle wxyz with wx =6 cm and wy =10 cm with steps

math
construct a rectangle wxyz with wx =6 cm and wy =10 cm with steps