how do you find total mechanical energy?
Posted 7 years ago by pbhatti in Science 10 | 2 answers
#single replacements reactions
A man who is 6.0 feet tall wishes to install a mirror on his wall so that he can see all of his body length, but no more. After many rough sketches, he concludes that the mirror should be approximately...?
Posted 7 years ago by in Physics 30 | 3 answers
#physics 30
A child accelerates upwards in an elevator which causes his apparent weight to become 405 N. Determine the magnitude of the elevator's acceleration if his normal weight is 400 N?
Posted 8 years ago by yasar in Physics 20 | 2 answers
#acceleration
Given that cosB=0.4612,, what is the value of B to the nearest of a degree?
Posted 8 years ago by Dazzle in Math 10C | 7 answers
#trigonometry
How do I calculate the moles of carbon present in a polymer if I dont have the structural formula ?. I only have the molecular weight.
Posted 8 years ago by Joseph17 in Chemistry 30 | 3 answers
#polymers
find the side length of the right triangle
Posted 8 years ago by Dazzle in Math 10C | 7 answers
#trigonometry
what is the volume for diamter 14.6 and Height 16.8
Posted 8 years ago by Dazzle in Math 10C | 5 answers
#volume of cylinder
A 1000kg elevator accelerates up a shaft at a rateof 2.0 m/s2. The tension in the cable raising the elevator is?
A. 12 kN
B. 9.8 kN
C. 7.8 kN
D. 2.0 kN
Posted 8 years ago by yasar in Physics 20 | 5 answers
#tension
A team of 10 Qimmiq is pulling a komatik and its load having a total mass of 1000kg at a constant velocity of 8.1km/h over the frozen tundra. Calculate the coefficient of kinetic friction between the komatikand the snow if the dogs must exert a total force of 922N to keep the komatik travelling at a constant velocity?
Posted 8 years ago by yasar in Physics 20 | 6 answers
#friction